The Human Operating Manual

Mental Model Basics

Mental Model Basics Contents I. What Mental Models Actually Are II. The Latticework Framing (Munger) III. First Principles Thinking IV. Inversion V. Second-Order Thinking VI. Opportunity Cost VII. Expected Value VIII. Base Rates and Probabilistic Thinking IX. Falsification (Popper) X. Occam’s Razor XI. Hanlon’s Razor XII. Circle of Competence XIII. Steel Man vs Straw Man […]

Mental Model Cheatsheet

Mental Model Cheatsheet Contents I. How to Use This Page II. Quick Reference Index III. The Contemplative Orientations IV. The Analytical Mental Models V. The Cognitive Bias Quick Reference VI. The Decision-Making Frameworks VII. The Emotion-in-Decision Framework VIII. The Steel-Manning Practice IX. The Feynman Technique X. The 25-Minute Cycles XI. When to Use Which Tool […]

The Mental Model Rabbit Hole

The Mental Model Rabbit Hole Contents I. The Map Is Not the Territory II. Where Mental Models Come From III. Plato’s Cave and Its Modern Equivalents IV. Kant’s Categories V. Wittgenstein and the Limits of Language VI. The Psychopath Training Problem VII. Avoiding Data Obsession VIII. The Tetlock Superforecasting Research IX. The Gigerenzer Ecological Rationality […]

Brain 2.0

Brain 2.0 Contents I. Why Externalise Cognition II. The Limits of Biological Memory III. What Brain 2.0 Actually Is IV. The PKM Landscape V. The Three Major Methods (Zettelkasten, PARA, BASB) VI. The Capture-Organise-Distill-Express Practice VII. The Current Tool Landscape VIII. The AI Extension Question IX. Common Failure Modes X. Selecting Your System XI. Long-Term […]

Heuristics Basics

Heuristics Basics Contents I. What Heuristics Actually Are II. System 1 and System 2 III. The Cognitive Biases Catalogue IV. The Replication Question V. The Gigerenzer Counter-Position VI. WEIRD Brains and Evolutionary Mismatch VII. Trade-offs as Foundational VIII. The Smell-as-Warning-System Problem IX. The Corrective Lens X. Confirmation Bias and the Falsification Principle XI. Stereotyping and […]

Mental Model Resources

Mental Model Resources The mental models field sits at the intersection of cognitive psychology, behavioural economics, decision science, philosophy of mind, broader epistemology, and applied self-help.  The well-evidenced material: Daniel Kahneman and Amos Tversky’s heuristics-and-biases research, Gerd Gigerenzer’s ecological rationality work, Philip Tetlock’s forecasting research, Philip Johnson-Laird’s foundational mental models research in cognitive psychology, the broader […]

The Sex Rabbit Hole

The Sex Rabbit Hole Contents   I. Foetal Sexual Differentiation in Detail II. Intersex Conditions in Detail III. Sexual Orientation: Origins and Development IV. Asexuality V. Transgender and Gender Dysphoria VI. Gender War and What’s Producing It VII. The History of Sexual Stigma VIII. The 70s Free Love Movement: The Empirical Picture IX. The Male-Dominated […]

Optimizing Pleasure

Optimizing Pleasure Contents I. Desire and Arousal: How They Actually Work II. The Hormonal Layer III. Pair-Bonding Neurochemistry IV. Attachment in Adult Sexual Relationships V. The Desire-Intimacy Paradox VI. The Affective Neuroscience Architecture VII. Competition, Testosterone, and Motivation VIII. Infidelity and Mate Switching IX. Pheromones and Olfactory Signalling X. What Predicts Long-Term Sexual Satisfaction XI. […]

Sex Basics

Sex Basics Contents I. What Sex Is, What It’s For, and Why Humans Are Unusual II. The Hormonal Cascade of Attraction and Pair-Bonding III. The 7-Year Itch and the Ovulation Findings IV. The Dual Control Model and the Architecture of Desire V. Attachment in Adult Sexual Relationships VI. The Fisher Temperament Inventory VII. The MDMA […]

Sex Resources

Sex Resources The Epistemic Landscape As with every topic on this website, sex research sits in an unusually fragmented field. Reproductive biology lives in obstetrics, gynaecology, and developmental biology. Sexology occupies a specialised tradition mostly outside mainstream clinical training. Sexual orientation research crosses neuroscience, psychology, and sociology. Attachment and relationship research lives in clinical psychology […]