Loop

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• Analytics ... Visualization ... Graphical Tools ... Diagrams & Business Analysis ... Requirements ... Loop ... Bayes ... Network Pattern
• Human-in-the-Loop (HITL) Learning
• Artificial Intelligence (AI) ... Machine Learning (ML) ... Deep Learning ... Neural Network ... Reinforcement ... Learning Techniques
• Perspective ... Context ... In-Context Learning (ICL) ... Transfer Learning ... Out-of-Distribution (OOD) Generalization
• Causation vs. Correlation ... Autocorrelation ...Convolution vs. Cross-Correlation (Autocorrelation)
• Embedding ... Fine-tuning ... RAG ... Search ... Clustering ... Recommendation ... Anomaly Detection ... Classification ... Dimensional Reduction. ...find outliers
• Algorithm Administration
• Policy ... Policy vs Plan ... Constitutional AI ... Trust Region Policy Optimization (TRPO) ... Policy Gradient (PG) ... Proximal Policy Optimization (PPO)
• Agents ... Robotic Process Automation ... Assistants ... Personal Companions ... Productivity ... Email ... Negotiation ... LangChain
• Artificial Intelligence (AI) ... Generative AI ... Machine Learning (ML) ... Deep Learning ... Neural Network ... Reinforcement ... Learning Techniques
• Conversational AI ... ChatGPT | OpenAI ... Bing/Copilot | Microsoft ... Gemini | Google ... Claude | Anthropic ... Perplexity ... You ... phind ... Ernie | Baidu
• Center and Circle Playbook ... 8-step stability guide
• Process Patterns, Loops and Emergence | Carlos E. Perez - Medium

Observe–Orient–Decide–Act (OODA) Loop

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The OODA loop is the cycle: Observe–Orient–Decide–Act ...emphasized that "the loop" is actually a set of interacting loops that are to be kept in continuous operation... developed by military strategist and United States Air Force Colonel John Boyd. Boyd applied the concept to the combat operations process, often at the operational level during military campaigns. It is now also often applied to understand commercial operations and learning processes. The approach explains how agility can overcome raw power in dealing with human opponents. It is especially applicable to cyber security and cyberwarfare. Wikipedia ... A Discourse On Winning and Losing | John R. Boyd - Air University Press

We’ve historically focused automation efforts on the “Act” portion but the real potential for new technologies is to address the prior 3 steps: Improving Observation: Improve the data itself with better sensing accuracy, timeliness, relevance, etc or improve our ability to use the data with higher throughput learning processes Improving Orientation: Improve the classification of the current state and the prediction of future states Improving Decision: Improve the ability to choose between paths via better objective functions. How Artificial Intelligence is Closing the Loop with Better Predictions | Erik Trautman - HackerNoon]

Mindset: OODA Loop by John Boyd OODA Loop is an acronym which stands for Observe, Orient, Decide and Act. In this video I provide a historical, academic, and practical perspective to help shed some light on the topic. John Boyd is one of the greatest military strategist to have lived, and to understand OODA Loop it's import to put it into context. If you have any questions or have something to add, please comment down below. Like this content? Consider supporting me on Patreon where you will get exclusive access to unpublished videos, behind the scenes, coupons, and the satisfaction of supporting pro-freedom content. https://www.patreon.com/WeRunGuns Please LIKE, SHARE, and SUBSCRIBE if you enjoyed!

Balan Ayyar, CEO of Percipient AI, Discusses the OODA Loop Model and Artificial Intelligence Balan Ayyar is the Founder and CEO of Percipient.ai, a Silicon Valley based artificial intelligence firm focused on delivering products and solutions for the most pressing intelligence and national security challenges. We have been tracking this leader for years and have watched him inspire many to achieve great things. His leadership in senior officer roles in the US Air Force (he is a retired Brigadier General) included tours in combat zones and commands back in the US, including at one point leading the entire Air Force recruiting system. His visionary leadership in the corporate world resulted in the creation of a new firm providing new AI capabilities that are already serving some of the most critical missions in the nation. He is a disciplined visionary with an incredible thurst for learning and a knack for connecting with others. We loved the fact that we recorded him while he was at his desk and when we started asking about what he is reading he could quickly grab his favorite books and give his his insights. It is also always great to talk to a real Air Force leader about the OODA Loop and the model of continuous action and how it applies to not just military ops but business. Topics we covered included: - How the national security establishment needs to change to get ready for the new world - Views on the struggle between open societies and closed/dictatorship/communist societies and how that relationship is changing now. - Role that AI can play to accelerate the return of our economy - Concepts for getting classified information to users where ever they are, including at their homes. Seems technically feasible, and seems like the risk/reward equation may have shifted a bit recently. - Ideas on how US tech firms can better support the nation in the new economy. - Lessons learned from leadership of Percipient that could be helpful to other CEOs or other leaders in government. - Topics that can inform your technology due diligence

Feedback Loop

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• Gaming ... Game-Based Learning (GBL) ... Security ... Generative AI ... Games - Metaverse ... Quantum ... Game Theory ... Design
• Feedback | Wikipedia
• Closing the Loop: How Feedback Loops Help to Maintain Quality Long-Term AI Results | Natalie Fletcher - Clarifai
• So, What Actually Is a Feedback Loop? | Tina Nord - Ultimate Knowledge ...With feedback loops, a system is constantly in dialogue with itself.
• AI in the Feedback Loop: A Survey of Alternative Approaches | Karl-ErikÅrzén - ScienceDirect ...paper gives special attention to fuzzy control and expert control.
• Feedback Loops in Machine Learning | Ankur Goyal - Impair ...in spite of the immense benefits that Machine Learning offers, this technology has been very slow to take off, particularly in the enterprise world. At Impira, we believe a key reason for this is the lack of well-designed feedback loops that serve to continuously improve machine learning models.
• HP200A | Wikipedia ...oscillator to use a simple light bulb as the temperature-dependent resistor in its feedback network. Walt Disney bought eight HP200A for use in the production of Fantasia
• The Air Force Research Lab wants tools, techniques and innovative ideas for shortening the OODA Loop. | Aaron Boyd - Nextgov

any process where the outputs of a system are plugged back in and used as iterative inputs. Feedback loops exist just about everywhere. In nature, the evolutionary "arms race" between predators and prey is a classic example. In business, the practice of taking customer feedback (the output of a product or service) and using it to improve future processes is another commonly used feedback loop. Today, rapid advances in artificial intelligence (AI) and machine learning are helping businesses do more with data. These systems — and their ability to analyze an inhuman amount of data — allow businesses to adjust algorithms, workflows and processes on the fly. Get More Out Of Feedback Loops With AI | Arka Dhar - Forbes

Feedback loops: How nature gets its rhythms - Anje-Margriet Neutel While feedback loops are a bummer at band practice, they are essential in nature. What does nature’s feedback look like, and how does it build the resilience of our world? Anje-Margriet Neutel describes some common positive and negative feedback loops, examining how an ecosystem’s many loops come together to make its ‘trademark sound.’ Lesson by Anje-Margriet Neutel, animation by Brad Purnell.

How Games Use Feedback Loops | Game Maker’s Toolkit Playing Pyre over Christmas got me thinking about feedback loops: the reward structures in games that can reinforce or balance out winners and losers. In this episode I’ll explain what this all means, and talk about the design of Pyre’s positive and negative loops.

Multi-Loop Learning

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• How Artificial Intelligence Will Redefine Management | V. Kolbjørnsrud, R. Amico and R.J. Thomas
• Chris Argyris: theories of action, double-loop learning and organizational learning | Infed.org
• Donald Schon (Schön): learning, reflection and change | Infed.org
• Organisational learning: a critical review | Catherine L. Wang, Pervaiz K. Ahmed
• Single and double loop learning | Organizational Learning
• Double-loop learning | Wikipedia
• Re-Framing Perspectives | Patrick A. Trottier - The Institute Of Emergent Organizational Development and Emergent Change®
• Working visually: Record, Reflect, Reframe, Part 1 Part 2 | Kim S van den Berg
• Different Kinds of Learning (Loops of Learning) Adapted from “Field Guide to Consulting and Organizational Development”

SINGLE & DOUBLE LOOP LEARNING Made by: Hannah Munshi 2016

Managing for Quality Lecture Series - #6 Organizational Learning – Triple Loop Experience American Society for Quality, Quality Management Division With Dr. Gregory Watson The concept of “Triple-Loop Learning” grew out of the work of Harvard psychologist Chris Argyris and Donald Schön as a “reflective management practice.” The first loop occurs as the outcome of work is examined when is nonconforming to its performance expectations. This cycle of learns about problem-solving, standardization, and process control. The second learning loop occurs reviews the methods used in the first loop to improve efficiency and effectiveness of work management methods. The third learning loop occurs as management examines its business assumptions for driving operational excellence. This webinar describes this process and illustrates it in a case study.

François Chollet: Limits of Deep Learning | AI Podcast Clips Lex Fridman from Sep 2019. François Chollet is the creator of Keras, which is an open source deep learning library that is designed to enable fast, user-friendly experimentation with deep neural networks. It serves as an interface to several deep learning libraries, most popular of which is TensorFlow, and it was integrated into TensorFlow main codebase a while back. Aside from creating an exceptionally useful and popular library, François is also a world-class AI researcher and software engineer at Google, and is definitely an outspoken, if not controversial, personality in the AI world, especially in the realm of ideas around the future of artificial intelligence.

Understanding Triple Loop Learning and it's impact on the Coaching Process The results that people achieve in life come from the actions that they take both at conscious and unconscious levels. Often a client will express a desire for change, and seek actionable steps from his coach to create that change. Taking positive actions can lead to positive changes and results, but may still fall short of being transformational. Coaches can help clients achieve real breakthrough when they understand how Triple Loop Learning occurs. For more, please visit us at https://www.coachmastersacademy.com/

How to use double loop learning pfc Social Impact Advisors

Double-loop learning: a case study from the front-line | Roderic Yapp | TEDxWandsworth Roderic Yapp is a former Royal Marines Officer, he led marines on operations around the world including the front-line in Afghanistan in 2007, and evacuated civilians from Libya during the Arab Spring. Roderic delves into his experience as a Royal Marine explaining why we must challenge our own behaviour. He uses examples of changes made by UK Military and the Taliban to explain why we must challenge how we think if we are to solve tomorrow's problems effectively. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://ted.com/tedx

Triple Golden OODA

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• Context ... the next AI frontier
• Multi-Loop Learning
• Start With Why | Simon Sinek ...Wikipedia
• Observe–Orient–Decide–Act (OODA) Loop ...Wikipedia
• Perspective ... Context ... In-Context Learning (ICL) ... Transfer Learning ... Out-of-Distribution (OOD) Generalization

The Triple Golden OODA loop diagram depicts a hybrid of concepts from the Triple Loop concept inspired by Chris Argyris & Donald Schön's work on the Double Loop, Simon Sinek's Golden Circle in 'Start with Why', and Colonel John Boyd's Observe, Orient, Decide and Act (OODA) Loop from his ‘A Discourse On Winning and Losing'.

Start with WHY - Simon Sinek In Vegas IDLife NYC Those who lead inspire us. We follow those who lead because we want to and for selfish reasons. Those who start with "why" that have the ability to inspire those around them or find others who inspire them. 1. You have to know WHY you do what you do. 2. You have to have DISCIPLINE of how. 3. You have to have consistency of WHAT.

Lucy and the Chocolate Factory CBS All Access -- How best can Triple Golden OODA loop be applied? What would be the Single loop in this situation? The Double loop? The Triple loop? The Why?

Feedback Loop - Peer Learning

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• Education
• Decentralized: Federated & Distributed Learning
• FeedbackFruits
• The NIPS experiment | Eric Price - A blog on machine learning very broadly construed by Moritz Hardt

Future of feedback: Automated Feedback with AI Speaker: Jan-Hein Gooszen (Technology Enhanced Learning at FeedbackFruits)

FeedbackFruits Official Video: The Reason Behind Our Journey FeedbackFruits mission: Improve Learning. Find out more about our initiative to nurture innovation in higher education on a global scale on https://edtech-consortium.com or check out our official homepage at https://feedbackfruits.com !

Google AI's Take on How To Fix Peer Review The paper "Avoiding a Tragedy of the Commons in the Peer Review Process" is available here: https://arxiv.org/abs/1901.06246

Scientific publications and scientific peer review - Can AI be a solution to current Issues Dan L. Clinciu a researcher with CMU, and an assistant professor with NCUT, both in Taichung Taiwan and Brian D. Oscar discuss various issues in current scientific peer review and publications and how AI might be a solution to these various issues in the near future. They also discuss how significant scientific discoveries could have disastrous outcomes if they are misinterpreted. www.het-forum.net

Feedback Loop - Creating Consciousness

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• Life~Meaning ... Consciousness ... Creating Consciousness ... Quantum Biology ... Orch-OR ... TAME ... Proteins
• You’re Living Inside a Prediction: Toward Predictive AI Consciousness
  • Simulation ... Simulated Environment Learning ... World Models ... Minecraft: Voyager
• Artificial General Intelligence (AGI) to Singularity ... Curious Reasoning ... Emergence ... Moonshots ... Explainable AI ... Automated Learning
• Michio Kaku and the Mysteries of the Mind | Alyson Sheppard - Popular Mechanics ...The Future of the Mind: The Scientific Quest to Understand, Enhance, and Empower the Mind
• A Theory of Consciousness | Tyler Neylon - Medium
• Do Loops Explain Consciousness? | Martin Gardner - AMS.org ...Review of I Am a Strange Loop
  • Strange Loop | Wikipedia ...The "strangeness" of a strange loop comes from our way of perception
• Godel, Escher, Bach: an Eternal Golden Braid | Douglas R. Hofstadter
  • Gödel, Escher, Bach | Wikipedia

Michio Kaku: Feedback loops are creating Consciousness | Big Think One of the great questions in all of science is where consciousness comes from. When it comes to consciousness, Kaku believes different species have different levels of consciousness, based on their feedback loops needed to survive in space, society, and time. According to the theoretical physicist, human beings' ability to use past experiences, memories, to predict the future makes us distinct among animals — and even robots (they're currently unable to understand, or operate within, a social hierarchy). Dr. Michio Kaku is the co-founder of string field theory, and is one of the most widely recognized scientists in the world today. He has written 4 New York Times Best Sellers, is the science correspondent for CBS This Morning and has hosted numerous science specials for BBC-TV, the Discovery/Science Channel. His radio show broadcasts to 100 radio stations every week. Dr. Kaku holds the Henry Semat Chair and Professorship in theoretical physics at the City College of New York (CUNY), where he has taught for over 25 years. He has also been a visiting professor at the Institute for Advanced Study at Princeton, as well as New York University (NYU).

Investigating Consciousness with Closed-Loop Neural Reinforcement Neuroscience Virtual Event 2018 Aurelio Cortese, PhD Researcher, ATR Institute International Aurelio received his MSc degree from the Life Sciences and Technologies faculty at EPFL in Switzerland (2012), while spending one year at the Max-Planck Institute of Psychiatry in Munich working on mice models of Alzheimer's disease and depression. He is now a researcher at ATR working with Mitsuo Kawato, with ongoing collaborations with Hakwan Lau's Lab at UCLA and Hong Kong University, and with Benedetto de Martino at UCL/Wellcome Trust (London, UK). Webinar: Investigating Consciousness with Closed-Loop Neural Reinforcement Abstract: In consciousness studies, a longstanding controversy concerns whether activity in the prefrontal cortical (PFC) region of the brain is necessary to evoke conscious experiences. Similarly, there is contrasting evidence on whether subjective confidence directly reflects sensory evidence or may depend on a late-stage estimation, related to consciousness but dissociable from sensory processes. As of yet, in humans, experimental tools have lacked the power to resolve these issues convincingly. We overcome this difficulty by capitalizing on the recently developed method of decoded neurofeedback (DecNef), where the occurrence of distinct neural events (e.g., spatial activation patterns) is selectively rewarded. This closed-loop training thus has the power of reinforcing purely content-specific processes that typically lie below consciousness. In a series of recent studies, we employed DecNef to directly reinforce neural activation patterns in areas related to representations at different levels of complexity, from simpler (e.g. orientation in visual cortex) to more composite (e.g. confidence in PFC). In all cases, the manipulations resulted in clear behavioral or physiological changes. Nevertheless, during the training sessions, participants were never conscious about the content of these localized recurring activation patterns. This raises a very interesting point: it is likely that consciousness requires more than just a local representation, however well defined. As already proposed, consciousness may rely on concomitant activations across frontoparietal networks. Frontal cortices could thus play a crucial role in bringing content to consciousness, by virtue of being also implicated in higher order representations. Approaches combining machine learning techniques with brain imaging and closed-loop training such as DecNef may offer a strong paradigm to further explore and understand consciousness and its real neural basis.

MIT Godel Escher Bach Lecture 1 jasonofthel33t

Introduction to Brain and Consciousness 2.2 - Feedforward and Feedback Connections Synergos Narrated by Julia Donnell Written by Hakwan Lau Now, onto more details about the pathways. Again, getting the basic concepts is much more important than remembering all the specifics. When we say there’s a pathway, we imply there is a direction of information flow. And in fact there is. From the eyeball towards the brain, that is how perception happens. We call this direction feedforward, or bottom up. But interestingly, information also flows from the other direction. And we call these feedback, or top down signals. Directed/Edited by Justine Suh Cinematography/Sound Editing by Emily Kalish Key Grip and Sound by Santiago Rodriguez Herran Graphics & Subtitles by Peter Keating & Charmaine Wong FAIR USE NOTICE: This video contains copyrighted material the use of which has not always been specifically authorized by the copyright owner.

Feedback Loop - Scientific Discovery

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• Scientific discovery must be redefined. Quantum and AI can help | Dario Gil - World Economic Forum
• Can Artificial Intelligence Make Scientific Discoveries? | Kartik Hosanagar - The Scientist
• Can artificial intelligence lead scientific discoveries? | University of Konstanz - EurekAlert!

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The paradigm shift will be from AI used for analysing the data which has already been obtained, to AI deciding what to measure next. Why A‍r‍tificial Intellig‌‍enc‍e Will Ena‍ble New Sc‌ientific‍ D‍isc‍over‌‍ies - Andrew Briggs - Graphcore

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Quantum Computing and AI to Enable Our Sustainable Future | Katia Moskvitch - IBM

Toward Robot Scientist for autonomous scientific discovery | A. Sparkes, W. Aubrey, E. Byrne, and A. Clare - ResearchGate

Machine Learning Accelerating Scientific Discovery Phil Nelson, Google Research

Hypothesis Generation with AGATHA : Accelerate Scientific Discovery with Deep Learning | AISC ML Explained - Aggregate Intellect - AISC For slides and more information on the paper, visit https://ai.science/e/hypothesis-generation-with-agatha-accelerate-scientific-discovery-with-deep-learning--2020-04-01 Discussion lead: Justin Sybrandt Discussion facilitator(s): Rouzbeh Afrasiabi Medical research is risky and expensive. Drug discovery, as an example, requires that researchers efficiently winnow thousands of potential targets to a small candidate set for more thorough evaluation. However, research groups spend significant time and money to perform the experiments necessary to determine this candidate set long before seeing intermediate results. Hypothesis generation systems address this challenge by mining the wealth of publicly available scientific information to predict plausible research directions. We present AGATHA, a deep-learning hypothesis generation system that can introduce data-driven insights earlier in the discovery process. Through a learned ranking criteria, this system quickly prioritizes plausible term-pairs among entity sets, allowing us to recommend new research directions. We massively validate our system with a temporal holdout wherein we predict connections first introduced after 2015 using data published beforehand. We additionally explore biomedical sub-domains, and demonstrate AGATHA's predictive capacity across the twenty most popular relationship types. This system achieves best-in-class performance on an established benchmark, and demonstrates high recommendation scores across subdomains. Reproducibility: All code, experimental data, and pre-trained models are available online:

Feedback Loop - Stock Market Predictions

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• Case Studies
  • Market Trading

Why you can beat the market, even when it does not seem so. The importance of loops, patterns, and predictable events. Random events are don’t measure risks, and should not affect your decision making. Some traders follow the trend, and some go against it. At I Know First we work on algorithmic strategies which are neither, we simply try an assess where the next opportunity is and provide stock market predictions. If this means to do what everyone else does, than why not. If it means going against when everyone else does, this is also fine. The tricky part is determining where this opportunities are, this article will discuss how to find opportunities in what can seem as total randomness. Markets are Complex, but not Unpredictable! There are two major misconceptions about the stock market. The first one is connected to the classical economic theory which claims markets to be efficient, and as such unpredictable. In this case trying to select one stock over another becomes useless, as no opportunity is ever better than the other. Both stocks are perfectly priced according to their opportunity and risk, with everyone having all information. However, the truth of the matter is that some people profit trading stocks while others lose – this by itself proves the market to be inefficient, and thus exploitable. While US markets are very efficient, and most information is available, not everyone interprets this information the same. Stock Market Predictions: Where In The Feedback Loop Is Your Portfolio? | I Know First

How Do Stock Trading Algorithms Work? The stock market can be a foracious beast to those that don't understand it, but nowadays, you don't even need to understand it to make money. The rise of the digital information age and AI has brought about a new way of stock trading called algorithmic trading. Sometimes referred to as automated trading or black-box trading, this is essentially a program that can trade stocks at high speeds and frequencies perfectly in line with the market. These programs are given constraints and instructions like timing, price, amount, etc. and a user can fine tune how they exactly work. So how does this all work then... let's take a look. All images courtesy of Creative Commons or protected under Fair Use. For questions or concerns about the use of any media, please contact the page directly.

Feedback Loop - The AI Economist

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• Case Studies
  • Economics
    • AI Economist
• Reinforcement Learning (RL)

Optimal Tax Design as Learned Reward Design Using Reinforcement Learning. Reinforcement learning is a powerful framework in which agents learn from experience collected through trial-and-error. We use model-free RL, in which agents do not use any prior world knowledge or modeling assumptions. Another benefit of RL is that agents can optimize for any objective. In our setting, this means that a tax policy can be learned that optimizes any social objective, and without knowledge of workers’ utility functions or skills. The AI Economist: Improving Equality and Productivity with AI-Driven Tax Policies | S. Zheng, A. Trott, S. Srinivasa, N. Naik, M. Gruesbeck, D. Parkes, and R. Socher - Einstein.ai]

AI Economist: How can AI FIX taxes? (Deep Reinforcement Learning, Machine Learning, Economics) Review and in depth analysis of very interesting paper out of Harvard and Salesforce Research. OUTLINE: 0:10 - Economic background, equality vs productivity tradeoff, tax schedule 2:18 - Deep Reinforcement Learning Network Overview 3:45 - Multi-agent Markov Games 4:22 - Figure 1: Game map, explanation 5:21 - Results, No taxes (division of labor) 6:58 - Notation table 7:56 - Objective, individual taxpayer 9:22 - Defining utility function 11:22 - Taxes Tax Brackets, Social Welfare Functions 12:50 - Objective for policy planner 14:00 - Two-level reinforcement learning training scheme 15:26 - U.S. Policy vs AI Economist vs Saez Paper: https://arxiv.org/abs/2004.13332

Feedback Loop - Synthetic

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The Wandering Dreamer: An Synthetic Feedback Loop This experiment uses four machine learning models to create a feedback loop between synthesized images and text. All of the images you see here are fabricated, as is the text that describes each image. Made by Brannon Dorsey using Runway. Source code 1. The first row of images are produced from a class label using BigGAN. 2. The text below is an auto-generated caption of the BigGAN image using Im2Text. 3. The next set of images are synthesized by an Attentional GAN using the auto-generated captions. 4. The text at the bottom classifies the image above it using MobileNet. This class label is then sent back to BigGAN as input to create an infinite loop.

Feedback Loop - Allostasis & Homeostasis

• Life~Meaning ... Consciousness ... Creating Consciousness ... Quantum Biology ... Orch-OR ... TAME ... Proteins
• Adrenal Health, Stress Adaptation & Homeostasis |YourHormonesInc - YouTube video
• Allostasis | Wikipedia
• Homeostasis | Wikipedia

• Allostasis the process of maintaining stability by changing the body’s operating settings in response to context and predicted demand—your brain and body anticipate needs (stress, exercise, threat, illness, time of day) and adjust hormones, autonomic output, and immune activity to match the situation.

Before a speech: your heart rate rises, cortisol may increase, and blood pressure shifts before you start talking → Allostasis

• Homeostasis is the state of steady internal, physical, and chemical conditions maintained by living systems. This is the condition of optimal functioning for the organism and includes many variables, such as body temperature and fluid balance, being kept within certain pre-set limits (homeostatic range). Homeostasis operates primarily through negative feedback loops. When a variable changes, the body triggers a response to reverse that change to maintain equilibrium.

After the speech ends: those values return toward baseline through feedback corrections → Homeostasis

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Allostasis as the strategy (adapt to demand) and Homeostasis as the fine-tuning mechanics (keep variables in safe ranges).

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How they’re different

Goal

Homeostasis: keep a variable near a set range.

Allostasis: keep the organism functioning well by adapting the set range and related systems to the moment.

Timing

Homeostasis: mostly reactive (corrects after deviation).

Allostasis: often predictive/anticipatory (adjusts before or during expected demand).

Control style

Homeostasis: local “thermostat” loops (negative feedback).

Allostasis: coordinated, whole-system regulation (brain-driven orchestration across multiple systems).

Cost concept

Homeostasis: not usually framed as “costly” unless failing.

Allostasis: emphasizes wear-and-tear from chronic activation—allostatic load.

Homeostatic Control System A homeostatic control system consists of three functional components:

1. Receptor (Sensor): Detects a change in the environment (stimulus).
2. Control Center: Processes the information and signals the effector (e.g., the brain).
3. Effector: Carries out the necessary adjustment to restore balance.

The term was coined by physiologist Walter Bradford Cannon in 1926. It is derived from the Greek words:

• hómoios (Template:Lang), meaning "similar"
• stásis (Template:Lang), meaning "standing still"

Homeostasis & Allostasis: An Evolutionary Perspective With Consciousness

Life survives by keeping its internal conditions in a workable range. Early life mostly did this with Homeostasis (reactive feedback). As nervous systems evolved, organisms gained Allostasis (predictive, context-sensitive regulation). What we call conscious experience may be one of the tools that helps organisms coordinate allostatic control across the whole body—especially when tradeoffs, uncertainty, or social complexity are involved.

Homeostasis came first: the ancient “stay alive” machinery Homeostasis is evolution’s baseline: keep core variables (ions, pH, temperature, glucose, oxygen, hydration) within survivable bounds.

• Single cells: membrane pumps, ion channels, osmotic regulation, energy balance (ATP) — fast local loops.
• Multicellular life: internal transport (circulation), compartment control, hormonal signaling — keeping the “internal ocean” stable enough for specialized tissues.

Key evolutionary point: Homeostasis works best when the environment is fairly predictable and when local feedback loops can correct deviations quickly.

Allostasis emerged with nervous systems: “stability through change” Allostasis is what you get when an organism can anticipate, learn, and coordinate multiple systems at once.

• Prediction: adjust physiology before demand hits (fight/flight, exercise, cold exposure, feeding).
• Coordination: align heart, lungs, immune tone, attention, and behavior toward the same goal.
• Tradeoffs: choose a “good enough” body state for the situation (e.g., temporarily raise blood pressure to escape, even if it’s not ideal long-term).

Key evolutionary point: Allostasis becomes valuable when:

• the environment is variable,
• the organism is mobile,
• the organism must make fast choices under uncertainty.
• and playing dead

Where consciousness fits: interoception + choice under uncertainty A useful way to connect consciousness to regulation is interoception — sensing internal body states (heartbeat, breathing, gut signals, temperature, inflammation, hormonal state).

• Much interoceptive control is unconscious (reflex loops in the brainstem/hypothalamus).
• Some interoceptive information becomes conscious feelings (hunger, thirst, nausea, calm, anxiety, “wired/tired,” pain).

One evolutionary hypothesis: consciousness helps Allostasis when the organism needs flexible control across time:

• planning (“If I keep running, will I overheat?”)
• learning (“That food made me sick—avoid it.”)
• social prediction (“If I challenge him, what happens next?”)
• conflict resolution (“I’m scared, but I still need to do this.”)

A layered control stack: from reflex → feeling → deliberation You can think of regulation as a stack of increasingly “expensive” control systems:

Layer A

Local Homeostasis (fast, automatic)

Cells and organs self-regulate (ion balance, local blood flow, basic reflexes).

Layer B

Body-wide Allostasis (coordinated, mostly automatic)

Brainstem + hypothalamus + autonomic and endocrine systems shift setpoints based on context (stress response, circadian rhythm, fever response).

Layer C

Conscious control (slow, flexible, meaning-driven)

Cortex can simulate futures, apply goals/values, and reshape behavior to prevent future instability (choose shelter, negotiate, delay gratification, seek help).

Why it matters: consciousness is not required for most homeostatic corrections—but it may be crucial for complex allostatic problems where the “right” action depends on goals, predictions, and social context.

Emotions as “Allostatic programs” From this lens, emotions aren’t random “extras.” They can be seen as packaged action-and-body-state programs:

• Fear biases attention + raises arousal to escape threats.
• Anger mobilizes energy for confrontation and boundary enforcement.
• Sadness can promote withdrawal/conservation and social support seeking.
• Joy/interest can promote exploration and learning when safe.

These states are Allostatic because they change physiology and behavior together to manage risk and opportunity.

When the system misfires: Allostatic load Allostasis is powerful, but it has a cost when it’s chronically engaged:

• persistent stress physiology
• disrupted sleep/circadian rhythms
• metabolic strain
• inflammatory changes

Allostatic load is the “wear-and-tear” that shows up when the body keeps paying short-term survival costs without recovery—often a mismatch between ancient regulatory systems and modern persistent stressors.

Takeaway

• Homeostasis is the ancient reactive core: correct deviations to protect life.
• Allostasis is the evolved upgrade: predict, coordinate, and adapt setpoints to meet situations.
• Consciousness may be one of evolution’s tools for higher-level Allostatic control—helping an organism integrate internal signals with goals, learning, and social reality when simple reflexes aren’t enough.

Examples

Process	Scenario	Homeostatic Response
Thermoregulation	Hyperthermia (Too hot)	Sweating (evaporative cooling) and vasodilation (widening of blood vessels to release heat).
	Hypothermia (Too cold)	Shivering (muscle heat generation) and vasoconstriction (narrowing of blood vessels to conserve heat).
Glucoregulation	Hyperglycemia (High blood sugar)	The pancreas releases insulin, causing cells to absorb glucose.
	Hypoglycemia (Low blood sugar)	The pancreas releases glucagon, causing the liver to release stored glucose.
Osmoregulation	Dehydration	The kidneys concentrate urine to conserve water; the hypothalamus stimulates thirst.

Vagus Nerve

Vagus nerve acts like a two-way control cable between your organs and your brainstem—constantly measuring internal conditions and then nudging things back toward “normal.” Most vagus fibers are sensory (afferent)—they carry status updates from your organs up to the brain (often cited around ~80% afferent). Those signals primarily land in the nucleus tractus solitarius (NTS) in the medulla, a major “autonomic dashboard” that integrates input from the cardiovascular, respiratory, and digestive systems. Then the brain sends motor (efferent) vagal output back down (via nuclei like the nucleus ambiguus and dorsal motor nucleus) to adjust organs—usually in a calming, “rest-and-digest” direction.

Organ state changes → vagal sensory input → NTS integrates → vagal output → organ function shifts → state normalizes

1. Blood pressure & heart-rate control (baroreflex) - Sensors in major arteries detect stretch/pressure and signal the brainstem; the NTS then helps drive vagal output that slows the heart when pressure is high (and relaxes vagal braking when pressure is low).

1. Breathing–heart coordination (respiratory sinus arrhythmia) - Your heart rate naturally speeds a bit on inhale and slows on exhale; that rhythm reflects tight coupling between respiration networks and cardiac vagal control pathways.

1. Gut “status,” satiety, and digestion (vagovagal reflexes) - Vagal sensory neurons detect things like stomach stretch and digestive signals and report to the brainstem; vagal output helps tune motility and secretion.

1. The “inflammatory reflex” (immune homeostasis) - There’s evidence for a vagus-linked reflex where vagal signaling can dampen excessive cytokine release (often described as the cholinergic anti-inflammatory pathway), involving acetylcholine signaling and α7 nicotinic receptors on immune cells in experimental models

AlphaFold 2

DeepMind AlphaFold can help researchers understand receptors/ion channels/drug targets that sit upstream of autonomic signaling. (think adrenergic + muscarinic GPCRs, serotonin receptors, nicotinic receptors, cardiac ion channels like hERG/Kv11.1, etc.).

• 3D structure when no experimental model exists: DeepMind AlphaFold can generate a workable 3D fold for hard targets (especially membrane proteins), giving researchers a structural starting point for autonomic-relevant receptors and channels.
• Druggable pocket mapping: With a predicted structure, researchers can identify and compare likely orthosteric/allosteric pockets and map known functional residues to guide selectivity and SAR hypotheses.
• Signaling-complex hypotheses: DeepMind AlphaFold (including multimer approaches) can model receptor–transducer interfaces (e.g., GPCR–G protein) to propose coupling-selectivity determinants and testable interaction residues.
• Complexes with ligands/ions (AlphaFold 3): DeepMind AlphaFold 3 can propose bound geometries for proteins with small molecules, ions, and modified residues, helping frame how upstream autonomic targets may engage drugs or cofactors.
• Channel gating and state-dependent binding: Structural models can suggest pore architecture and gating features that help explain why some drugs bind preferentially to specific channel states relevant to excitability control.
• Variant-to-mechanism interpretation: By placing mutations on a structure, researchers can hypothesize whether variants affect folding/trafficking, ligand binding, gating, or signaling interfaces and then design focused validation assays.
• Faster experimental design and interpretation: DeepMind AlphaFold models help pick construct boundaries and stabilizing changes and can speed cryo-EM/mutagenesis planning by providing a structural scaffold for iterative testing.

Recursion

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Recursion for Beginners: A Beginner's Guide to Recursion Recursion has an intimidating reputation for being the advanced skill of coding sorcerers. But in this tutorial we look behind the curtain of this formidable technique to discover the simple ideas under it. Through live coding demos in the interactive shell, we'll answer the following questions: What is recursion, and when is it a good idea and bad idea to use it? What's a stack, the call stack, and a stack overflow? What are all the confusing ways that recursion is commonly taught? Do some problems require recursion? Can recursion do anything a loop can't? What is memoization, and how does functools.lru_cache work? How do I draw that cool-looking recursive fractal artwork with Python's turtle module? Beginners will be able to follow this talk. All that is required is a willingness to learn, and a willingness to have the willingness to learn, and a willingness to have the willingness to have the willingness to learn, and... so on. A Python conference north of the Golden Gate

Thinking Recursively | Microsoft Interview Question | Software Engineer UI/Frontend Thinking Recursively is very important if you're a Software Engineer. Be it Microsoft Interview, or even while in day to day job, Recursion plays a very important role in Software Engineer's life. In this video, I'll solve a Microsoft Interview Question, just like how candidates do in the interview. Will also tell you how to create a mental model of solution and think while approaching such questions. It's not necessary that you solve the question in the first attempt. Most of the time we have to think step by step and gradually come up to the final solution.

Can you solve the Towers of Hanoi problem in Python using recursion? SOLUTION INCLUDED This is a complete explanation of recursion. Recursion is a very useful tool in computer science and data science. Here I show you what recursion is and how to use recursion to solve the Towers of Hanoi problem using Python. I also use recursion to calculate factorial. Want to learn Python? You can buy my course here: https://bit.ly/2OwUA09 Want to ace the Data Science Interview? Over 1000 Data Science Practice Questions with model solutions: https://bit.ly/30ul0nX

Python Sudoku Solver - Computerphile Fun comes in many forms - playing puzzles, or writing programs that solve the puzzles for you. Professor Thorsten Altenkirch on a recursive Sudoku solver. https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at https://www.bradyharan.com

Unintended Feedback Loop

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• Bias and Variances
• Unintended consequences from existing AI | Wikipedia
• Weapons of Math Destruction: How Big Data Increases Inequality and Threatens Democracy | Cathy O'Neil
• The Toxic Potential of YouTube’s Feedback Loop | Guillaume Chaslot - Wired
• The Unintended Consequences of Machine Learning | Frank Kane - Sundog Education - KDnuggets
• Dangerous Feedback Loops in ML | David Blaszka - Towards Data Science
• The Negative Feedback Loop: Technology Needs To Know When It Gets Things Wrong | Fiona McEvoy - You The Data ...This is not a secret problem. AI developers are painfully aware that there is currently no straightforward way to combat biased data or solicit full feedback. However, increasingly they are making efforts to harvest this critical information wherever and however they can. Not just in the name of ethics, but also to ensure that their creations perform as accurately as possible.

Models that are an integrated part of a product experience, or what we referred to as data products, often involve feedback loops. When done right, feedback loops can help us to create better experiences. However, feedback loops can also create unintended negative consequences, such as bias or inaccurate model performance measurements... Getting Better at Machine Learning | Robert Chang - Medium

Leaders hoping to shift their posture from hindsight to foresight need to better understand the types of risks they are taking on, their interdependencies, and their underlying causes... Confronting the risks of artificial intelligence | B. Cheatham, K. Javanmardian, and H. Samandari - Mckinsey & Company

One of the key features of live ML systems is that they often end up influencing their own behavior if they update over time. This leads to a form of analysis debt, in which it is difficult to predict the behavior of a given model before it is released. These feedback loops can take different forms, but they are all more difficult to detect and address if they occur gradually over time, as may be the case when models are updated infrequently.

• Direct Feedback Loops. A model may directly influence the selection of its own future training data. It is common practice to use standard supervised algorithms, although the theoretically correct solution would be to use bandit algorithms. The problem here is that bandit algorithms (such as contextual bandits) do not necessarily scale well to the size of action spaces typically required for real-world problems. It is possible to mitigate these effects by using some amount of randomization, or by isolating certain parts of data from being influenced by a given model.
• Hidden Feedback Loops. Direct feedback loops are costly to analyze, but at least they pose a statistical challenge that ML researchers may find natural to investigate. A more difficult case is hidden feedback loops, in which two systems influence each other indirectly through the world. One example of this may be if two systems independently determine facets of a web page, such as

one selecting products to show and another selecting related reviews. Improving one system may lead to changes in behavior in the other, as users begin clicking more or less on the other components in reaction to the changes. Note that these hidden loops may exist between completely disjoint systems. Consider the case of two stock-market prediction models from two different investment companies. Improvements (or, more scarily, bugs) in one may influence the bidding and buying behavior of the other. Hidden Technical Debt in Machine Learning Systems | D. Sculley, G. Holt, D. Golovin, E. Davydov, T. Phillips, D. Ebner, V. Chaudhary, M. Young, J. Crespo, and D. Dennison - Google

When the system is retrained on future data, it may become not less but more detrimental to historically disadvantaged groups. In order to build AI systems that are aligned with desirable long-term societal outcomes, we need to understand when and why such negative feedback loops occur, and we need to learn how to prevent them. When bias begets bias: A source of negative feedback loops in AI systems | Lydia T. Liu - University of California, Berkeley - Microsoft Research Blog

Weapons of Math Destruction | Cathy O'Neil | Talks at Google Cathy O'Neil is a data scientist and author of the blog mathbabe.org. She earned a Ph.D. in mathematics from Harvard and taught at Barnard College before moving to the private sector and working for the hedge fund D. E. Shaw. O'Neil started the Lede Program in Data Journalism at Columbia and is the author of "Doing Data Science." She appears weekly on the "Slate Money" podcast. In this talk, O'Neil sounds an alarm on the mathematical models that pervade modern life and threaten to rip apart our social fabric. Get the book ... mathbabe

Building Trust in Your AI | Veritone AI can deliver compelling business results, but do you know for a fact you are using the best available AI model for your data? Do you know what to expect after deploying? Is there risk of performance degradation or bias? Many AI projects fall short of expectations due to poor model performance or the unintended consequences of inaccurate AI decisions. What if there was a universal way for ML Ops / AI Ops to evaluate and monitor the performance and behavior of AI models, both pre-deployment and ongoing, no matter the vendor or features used? In this session we will review the pitfalls of opaque AI models, and discover how to evaluate, compare, and monitor performance and behavior across AI models, for better AI model trust and explainability. We will also demonstrate the Veritone Clarity product, showing how you can easily select the best AI model for the job, detect drift and correct it to achieve better business outcomes. For more details, visit us at https://Veritone.com

Unintended Feedback Loop - Filter Bubbles

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• How filter bubbles isolate you | GCF Global

In December 2009, Google began customizing its search results for all users, and we entered a new era of personalization. With little notice or fanfare, our online experience is changing, as the websites we visit are increasingly tailoring themselves to us. In this engaging and visionary book, MoveOn.org board president Eli Pariser lays bare the personalization that is already taking place on every major website, from Facebook to AOL to ABC News. As Pariser reveals, this new trend is nothing short of an invisible revolution in how we consume information, one that will shape how we learn, what we know, and even how our democracy works. The Filter Bubble | Eli Pariser

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In news media, echo chamber is a metaphorical description of a situation in which beliefs are amplified or reinforced by communication and repetition inside a closed system. Filter Bubble | Wikipedia

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How Filter Bubbles Isolate You In this video, you’ll learn more about how filter bubbles work to automatically curate content for you when you're online. Our text-based lesson We hope you enjoy!

Filter Bubbles and Echo Chambers You've probably heard the term Filter Bubble and/or Echo Chamber at least once or twice in the past few months. It's a term that has been circling the media for some time about Facebook and the 2016 U.S. Presidential Election. But what do they mean exactly? How does it relate to the internet or more specifically Facebook and Google? How does it affect you? Watch the video to find out! Don't forget to leave us a comment about what you think and how Filter Bubble or Echo Chamber relates to you! Scene 1 “Filter Bubble” is a theory that the algorithms from companies like Facebook and Google bases the information given to you on data acquired from things like, your search history, your past click behavior, the type of your computer and your location. Therefore, limiting the topics that reach you to a bubble of only your own formulated interests and personalized search subjects. Scene 2 The term was coined by Eli Pariser who wrote a book on this subject explaining that these algorithms are “closing us off to new ideas, new subjects and important information ”. What he means is that you are not given information outside your own political views, religious views or even other data like for example updates on women's rights and animal rights.

Beware online "filter bubbles" | Eli Pariser https://www.ted.com As web companies strive to tailor their services (including news and search results) to our personal tastes, there's a dangerous unintended consequence: We get trapped in a "filter bubble" and don't get exposed to information that could challenge or broaden our worldview. Eli Pariser argues powerfully that this will ultimately prove to be bad for us and bad for democracy. Read our community Q&A with Eli (featuring 10 ways to turn off the filter bubble): https://on.ted.com/PariserQA

Feedback loops in data systems - Matthieu Ranger When 'filter bubbles' came to public attention, it became pressing that systems that consume their own recommendations as data can be subject to noxious feedback loops. In this talk, we go over several examples of feedback loops, then discuss the technical and management issues related. Montréal-Python 74: Virtual Echo https://montrealpython.org/2019/03/mp74/

Using the OODA Loop - Purple Team with Cybersecurity

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• MITRE ATT&CK™
• The Cyber OODA Loop, How Your Attacker Should Help You Design Your Defense | Tony Sager - The Center for Internet Security - NIST
• The 4 Phases of Effective Incident Response Decision Making | Andrew Cook - Praetorian
• OODA and Cybersecurity | INFOSEC
• Red Team VS Blue Team: What’s The Difference? | Jason Firch - PurpleSec
• Purple Team: When Red and Blue Teams Work Together | Packetlabs

Modern security organizations create new capabilities within an overall cyber defense team by organizing themselves around a fundamental concept of an “OODA loop” — enabling teams to quickly make necessary decisions as they are responding to live or simulated incidents. ... Handling incidents effectively requires this sort of cyclical and quick decision making. In this quick-decision cycle, the IR team becomes the Blue Team, the “attackers” comprise the Red Team and run attack scenarios, and an even more novel third team called the Purple Team proactively hunts the attackers. This structure allows organizations to “train like they fight,” enabling them to prepare for increasingly more advanced adversarial techniques....Purple Teams help optimize security detection processes within an organization by reproducing attacks, determining if successful detection of these attacks occurred, and exposing existing deficiencies within the organization’s IR plan. Improving Cyber Defense by Purple Team using OODA loop | Ozren (Oz) Bogovac - Medium

Red Team VS Blue Team: What’s The Difference? | PurpleSec PurpleSec Cyber Security Red teams are offensive security professionals who are experts in attacking systems and breaking into defenses. Blue teams are defensive security professionals responsible for maintaining internal network defenses against all cyber attacks and threats. Red teams simulate attacks against blue teams to test the effectiveness of the network’s security. These red and blue team exercises provide a holistic security solution ensuring strong defenses while keeping in view evolving threats. Jason Firch, MBA What Is A Purple Team? A purple team isn’t necessarily a stand alone team, although it could be. The goal of a purple team is to bring both red and blue teams together while encouraging them to work as a team to share insights and create a strong feedback loop. Management should ensure that the red and blue teams work together and keep each other informed. Enhanced cooperation between both teams through proper resource sharing, reporting and knowledge share is essential for the continual improvement of the security program. If you need help securing your business from cyber attacks then feel free to check out: https://purplesec.us

Purple Teaming Explained SANS Institute Learn more about SANS SEC599: https://www.sans.org/sec599 What is Purple Teaming? SANS instructor Erik Van Buggenhout explains the concept of purple teaming in this short video. After seeing so many blue teamers take a penetration course, authors Stephen Sims and Erik Van Buggenhout created the first SANS Purple Team course SEC599: Defeating Advanced Adversaries: Purple Team Tactics and Kill Chain Defenses.

OODA Loop - Security Approaches

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The OODA Loop: A Holistic Approach to Cyber Security A holistic approach to cyber security is one that includes the threat actors, advance telemetry of the network and a defensive strategy that continuously adapts to the adversaries capability and threat landscape. By collecting and analyzing network data via technologies such as NetFlow, organizations can obtain the security intelligence needed to fill in the gaps left by conventional tools and more effectively feed their OODA loop - a cyclical process for Observation, Orientation, Decision and Action. By embracing the OODA loop, and turning the network into a sensor grid for delivering key security information, organizations can dramatically improve their situational awareness, incident response and forensics procedures.

Applying OODA and Feedback Loops to Security Processes RSA Conference Winn Schwartau, Founder, The Security Awareness Company Learn how to apply security-enhancing ICS/SCADA/Heathcare feedback and OODA loops into applications and networking for greater operational stability.

Operating Systems as a Loop - (Event-Driven Mental Model)

A useful mental model is that Windows is mostly a waiting loop that wakes up to handle events. It is not usually a "busy loop" burning CPU; it typically blocks (sleeps) until something needs attention. Windows is essentially an event-driven loop that mostly sleeps, and hardware interrupts (like mouse movement) are one of the main ways the system gets woken up to do work.

The Core Pattern Windows (and many apps running on it) follow this cycle:

1. Wait for something to happen (input, timer, disk, network, etc.)
2. Identify what happened
3. Dispatch work to the right component (driver, OS service, app/window)
4. Return to waiting

What “Interruptions” Really Mean --The word "interruption" often refers to a hardware interrupt. Hardware Interrupts (Fast “Wake Up!” Signals). An interrupt is the hardware's way of telling the CPU:

"Pause what you're doing briefly—this needs immediate attention."

Interrupts are used for things like:

• Mouse/keyboard activity
• Timer ticks
• Disk I/O completion
• Network packets arriving
• USB device changes