EVIDENCE MAP

Explore by topic

Find claims through familiar subjects and the parts of the Human OS they affect.

The Evidence Map is organized around individual claims, but most questions cross more than one chapter or module.

Topic pages gather related claims without turning them into a new argument. Each claim retains its evidence classification, limitations, sources, and book references.

Behavior-change maintenance

Why sustaining a behavior over time is not identical to initiating it.

1 claim

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Burnout and occupational strain

Burnout, exhaustion, detachment, efficacy, and the cost of sustained occupational demand.

1 claim

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Implementation intentions

Plans that link an anticipated situation to a specific goal-directed response.

1 claim

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Sensory and environmental inputs

Noise, light, environmental exposure, and other external signals that can alter physiological or attentional state.

1 claim

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Slow breathing and psychophysiology

How slower breathing patterns interact with cardiorespiratory and autonomic regulation.

1 claim

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Stress and adaptation

How stress responses can support short-term adaptation or become costly when demand is repeated, prolonged, or poorly recovered.

1 claim

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Behavior-change frameworks

Frameworks that describe capability, opportunity, motivation, and other conditions shaping behavior.

1 claim

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Hormesis and dose response

Dose-dependent adaptive responses in which low or bounded stress can produce different effects from larger or repeated exposure.

1 claim

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Identity-based motivation

How contextually accessible identities can shape action-readiness and interpretation.

1 claim

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Respiratory-cardiac coupling

Beat-to-beat heart-rate changes associated with the respiratory cycle, including respiratory sinus arrhythmia.

1 claim

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Sleep and circadian rhythm

Wake timing, circadian physiology, sleep, and biological timing across the day.

5 claims

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Stress and allostatic load

Repeated stress, cumulative physiological burden, and the cost of incomplete return across interacting body systems.

3 claims

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Attention and interruption

Notifications, attentional capture, interruption, and the immediate cost of reorienting.

1 claim

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Carbon dioxide and respiratory drive

How CO2/H+ chemoreception contributes to ventilatory control and the drive to breathe.

1 claim

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Cross-stressor adaptation

Whether adaptation to one stressor transfers to other forms of stress, and the limits of that transfer.

1 claim

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Effort-based motivation

How effort requirements interact with expected value and motivational choice.

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Movement and physical activity

Physical activity, inactivity, bodily demand, and long-term capacity.

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Self-regulatory feedback

Feedback-loop models in which discrepancies between current and reference states guide adjustment.

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Breath-hold safety

Safety considerations for hyperventilation, prolonged breath-holding, and underwater practice.

1 claim

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Decentering and meta-awareness

Psychological constructs related to noticing thoughts, feelings, and internal events with less fusion or automatic identification.

1 claim

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Goal adjustment

Disengagement from unattainable goals and reengagement with alternatives.

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Relapse and maintenance

Clinical relapse-prevention models used as context for understanding return under high-risk conditions.

1 claim

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Behavior and decision-making

Defaults, habits, present bias, immediate relief, and the conditions that shape action.

3 claims

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Meal timing and cardiometabolic regulation

How the timing and frequency of eating relate to cardiometabolic markers and daily metabolic organization.

1 claim

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Psychological safety

Shared beliefs about interpersonal risk-taking and their relationship to team learning behavior.

1 claim

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Reward prediction error

How differences between expected and experienced outcomes can update future action values.

1 claim

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Social relationships and health

Associations between social relationships, long-term health, and mortality risk.

1 claim

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Stress and cognitive control

How stress can affect working memory, prefrontal function, attention, and top-down control.

3 claims

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Aging and healthspan

Biological aging, long-term adaptive range, cumulative load, and the conditions associated with durable function.

4 claims

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Circadian metabolism

Interactions among feeding-fasting cycles, circadian clocks, and metabolic timing.

1 claim

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Emotional contagion

Transmission of mood within groups and from leaders to group members.

2 claims

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Practice-based field observation

Anonymized observations from real-world follow-up conversations, explicitly distinguished from controlled research.

1 claim

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Recovery from work

Psychological detachment, unwinding, relaxation, mastery, control, and the difference between stopping and recovering.

1 claim

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Social regulation of threat

How social proximity and supportive contact can alter threat responding and the cost of coping.

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Environment and health

How social and physical context shape repeated behavior, exposure, and long-term outcomes.

1 claim

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Identity transition

Experimentation, integration, continuity, and social identity during life and role transitions.

1 claim

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Interoception

Signals from inside the body and their relationship to awareness, emotion, perception, and mental health.

1 claim

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Memory and consolidation

Sleep, learning, memory consolidation, and the integration of prior experience.

1 claim

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Time-restricted eating

Human evidence on time-restricted eating, including context-dependent benefits and null findings.

1 claim

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Ecological momentary assessment

Repeated observation of experience close to the moment and in natural settings rather than relying only on retrospective summaries.

1 claim

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Fasting safety

Groups and conditions for which intermittent fasting may require avoidance or medical guidance.

1 claim

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Income and well-being

Relationships between income, life evaluation, and experienced emotional well-being.

1 claim

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Worry, rumination, and perseverative cognition

Repeated thought that can extend stress-related activation beyond the original event.

1 claim

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Systems and regulation

Integrated models of human functioning, homeostasis, allostasis, and dynamic regulation.

2 claims

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Diet-related human adaptation

Population-level genetic and cultural adaptations related to digestion and food tolerance.

1 claim

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Habit cues and context

How recurring contexts can trigger habitual behavior, including cues people may not accurately identify themselves.

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Performance and compensation

Maintaining visible performance under stress or workload by increasing compensatory effort and hidden cost.

2 claims

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Time affluence

Perceived sufficiency of time and the use of money to reduce time pressure.

1 claim

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Financial scarcity and cognition

How financial concerns can consume cognitive resources under some conditions.

1 claim

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Habits and automaticity

Context-linked automatic behavior, habit expression, and the effect of stress on habitual responding.

1 claim

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Nutrition and physical demand

How nutritional requirements and timing change with training, performance, and recovery demand.

1 claim

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Avoidance and reinforcement

Controlled learning mechanisms through which reducing aversive outcomes can reinforce avoidance responses.

1 claim

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Cold-water physiology and safety

Cold shock, breathing and cardiovascular responses, and drowning-related risks of sudden cold-water immersion.

1 claim

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Healthy aging and functional ability

Healthy aging framed around functional ability, intrinsic capacity, environment, and their interaction.

1 claim

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Built and natural environment

Relationships among urban design, greenspace, physical activity, and health-relevant exposure.

2 claims

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Heat exposure and safety

Heat-related physiological load and factors that increase vulnerability.

1 claim

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Contrast exposure

Safety interpretation when heat and cold exposures are combined.

1 claim

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Walking and cognition

Experimental evidence on walking and creative ideation.

1 claim

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Integrative exercise physiology

Whole-body responses to exercise across tissues, organs, metabolism, and cardiovascular demand.

1 claim

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Skeletal muscle signaling

Skeletal muscle as a secretory and metabolically active organ, including myokine signaling.

1 claim

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Exercise and stress reactivity

Effects of acute exercise on physiological and psychological stress reactivity and recovery.

1 claim

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Placebo and nocebo

How expectation and treatment context can alter bodily experience through psychobiological pathways.

1 claim

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