Submitted:
15 November 2025
Posted:
17 November 2025
Read the latest preprint version here
Abstract
Keywords:
1. Introduction
2. Core Theoretical Principles
2.1. Principle 0 : Boundary Condition
2.2. Principle 1 : Invariance and Instantaneity of Dynamic Optimization
2.3. Principle 2 : Mutability of Implementation Mechanisms
2.4. Principle 3 : Environmental Determination of Fitness Outcomes
2.4.1. Three Environmental Domains of Human Behavior
- Environments where neurochemical optimization aligns with evolutionary success
- Behaviors directly support survival and reproductive fitness
- Represents the ancestral context that shaped our neurochemical systems
- Provides the evolutionary baseline for understanding modern behavioral patterns
- Environments characterized by meaning-seeking and knowledge acquisition
- Behaviors driven by the pursuit of understanding and purpose
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Produces mixed outcomes:
- –
- A Zone: Relationships, love, religious meaning, Festivals, art, voluntary childlessness, hard work, scientific research, Discovery, Ethics - typically supporting survival and mostly reproduction(Not always)
- –
- mal A Zone: Extreme adventure, dangerous exploration, war, conflict, tasty food over healthy food - often reducing survival fitness
- Environments where neurochemical optimization produces outcomes that reduce wellbeing and survival
- Includes behaviors such as addiction, suicide, and other maladaptive patterns
- Represents contexts where immediate chemical optimization conflicts with long-term flourishing
3. The Natural Selection Field (NSF)
3.1. Definition and Alignment
3.2. Operation of Invariant Mandates
3.2.1. Instantaneous Reward Signal Maximization (R↑)
3.2.2. Instantaneous Stress Signal Minimization (S↓)
4.
- Formation of meaningful relationships and social bonds that provide oxytocin-mediated rewards and reduce loneliness-related stress
- Religious and spiritual practices that offer coherent worldviews, reducing existential anxiety while providing community-based rewards
- Musical engagement and appreciation that generates dopamine release, emotional regulation, and social connection through shared aesthetic experience
- Artistic and creative expression that generates flow states and aesthetic pleasure
- Athletic achievement and sports participation that combine endorphin release with social reinforcement
- Humanitarian activities that provide purpose-derived rewards while reducing distress through altruistic engagement
- Excessive risk-taking and dangerous exploration driven by novelty-seeking beyond reasonable safety parameters
- Obsessive pursuit of mysteries or truths at the expense of personal wellbeing and relationships
- Ideological extremism and conflict arising from rigid meaning systems that override broader ethical considerations
- Self-sacrificial behaviors where the chemical rewards of heroism or martyrdom override survival instincts
- junk food, sugary food
5. An Integrated Hierarchy
5.1. Three-Tiered Structure
- Level 1: Proximal Purpose (Px) - The fundamental neurochemical driver
- Level 2: Specific Upayogitā Purpose (Xm) - Evolved functional objectives
- Level 3: Ultimate Outcome (Uo) - Long-term environmental consequences
5.2. Causal Relationship
5.3. Identifier Sensor (I-s) - The Environmental Interface
- Definition:
- The specific sensory apparatus (e.g., eyes, nose, skin receptors, etc) that detects environmental cues matching the OsC
- Role:
- Acts as the input interface. When the I-s detects an OsC cue, the associated neurochemical valuation system is triggered, resulting in a Px signal (R↑ or S↓)
5.3.1. I-s Implementation in the Natural Selection Field
-
Energy Consumption
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- OsC: High sugar/fat content
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- I-s: Taste receptors (tongue), olfactory receptors (nose)
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- Px Signal: R↑ (pleasure/palatability)
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Safety/Acute Threat
- –
- OsC: Sudden, loud, or rapidly approaching stimuli
- –
- I-s: Auditory receptors (ears), visual receptors (eyes)
- –
- Px Signal: S↑ (fear/arousal) leading to S↓ (avoidance)
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Mate Selection
- –
- OsC: Visual cues of beauty/strength (e.g., symmetry)
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- I-s: Visual receptors (eyes)
- –
- Px Signal: R↑ (seeking drive/attraction)
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Body Temperature Regulation
- –
- OsC: Extreme thermal deviation (hot/cold)
- –
- I-s: Thermoreceptors (skin)
- –
- Px Signal: S↑ (discomfort) leading to S↓ (seeking comfort)
5.4. Level 1: Proximal Purpose (Px) - The Invariant Driver
- Definition:
- The Invariant Mandates: R↑ (Reward Signal Maximization) and S↓ (Stress Signal Minimization)
- Role:
- Serves as the immediate cause of every action, compelling withdrawal, initiation, or maintenance of motor patterns based on instant neurochemical computation of current net proximal value
5.5. Level 2: Specific Upayogitā Purpose (Xm) - The Evolved Objective
- Definition:
- Intermediate Functional Objectives (e.g., Energy Consumption, Body Temperature Maintenance, Healthy Reproduction)
- Role:
- Fulfillment occurs when Px mandates successfully execute for specific biological needs; dictates the Object Selection Criteria (OsC)
5.5.1. Object Selection Criteria (OsC) Implementation
-
Energy Consumption
- –
- Mandate: R↑ and S↓ (hunger)
- –
- OsC: High sugar, fat, and salt content
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Body Temperature Regulation
- –
- Mandate: S↓ (thermal discomfort)
- –
- OsC: Ambient temperature change toward comfort zone
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Healthy Reproduction
- –
- Mandate: R↑ (offspring contact)
- –
- OsC: Sex-specific physical cues(e.g., beauty for males, muscular body for females) and bonding signals
5.6. Level 3: Ultimate Outcome (Uo) - The Contingent Consequence
- Definition:
- Final Long-Term Consequences resulting from accumulation of successful Xm solutions
- Natural Selection Field: Uo equal to Evolutionary Fitness (Survival and Reproduction)
- Natural Counterproductive Field: Uo equal to maladaptation and reduced wellbeing
5.7. Adaptive Examples in the Natural Selection Field (NSF)
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Xm: Acquiring Shelter
- –
- I-s: Thermoreceptors (skin) detect cold
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- OsC: Thermal discomfort (deviation from comfort zone)
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- Px: S↓ - Minimize stress caused by thermal discomfort
- –
- Uo: Maximized survival (avoids hypothermia)
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Xm: Consuming Ripe Fruit
- –
- I-s: Taste receptors detect sweetness
- –
- OsC: High sugar content (signaling high caloric value)
- –
- Px: R↑ - Maximize reward and pleasure of palatability
- –
- Uo: Maximized survival (ensures energy intake)
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Xm: Avoiding Predator
- –
- I-s: Eyes/ears detect sudden visual or auditory threat signals
- –
- OsC: Rapid movement/loud sound (signals danger)
- –
- Px: S↓ - Minimize instantaneous stress via fight-or-flight
- –
- Uo: Maximized survival (avoids immediate death)
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Xm: Parental Care
- –
- I-s: Auditory receptors detect infant crying
- –
- OsC: Offspring distress signal (crying)
- –
- Px: R↑ - Maximize reward from oxytocin/dopamine release during caregiving
- –
- Uo: Maximized reproduction (perpetuates genes)
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Xm: Seeking Water
- –
- I-s: Internal chemoreceptors detect low blood volume/high osmolarity (thirst)
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- OsC: Aversive internal S↑ signal (thirst)
- –
- Px: S↓ - Minimize stress caused by internal aversive signal
- –
- Uo: Maximized survival (maintains hydration)
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Xm: Social Cooperation
- –
- I-s: Visual/auditory receptors detect positive gestures or successful joint activity
- –
- OsC: Mutual benefit/reciprocal aid (reduces individual S↑ effort)
- –
- Px: S↓ - Minimize stress/risk of solitary resource acquisition
- –
- Uo: Maximized survival (secures shared resources)
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Xm: Mate Selection (Male)
- –
- I-s: Eyes detect facial symmetry and feminine features
- –
- OsC: Visual cues of fertility (signaling reproductive value)
- –
- Px: R↑ - Maximize reward associated with successful mate acquisition
- –
- Uo: Maximized reproduction (optimizes genetic yield)
5.8. Integrated Causal Flow
- Sensory Detection: I-s identifies environmental cues matching OsC criteria
- Proximal Initiation: Px drives instantaneous action through neurochemical computations triggered by sensory input
- Functional Execution: Action follows OsC pathways determined by Xm objectives through evolutionarily programmed valuation systems
- Environmental Outcome: Cumulative Xm implementations produce Uo consequences based on environmental context alignment
- I-s - Identifier Sensor (sensory input interface)
- Px - Proximal Purpose (invariant neurochemical mandates)
- Xm - Specific Upayogitā Purpose (evolved functional objectives)
- OsC - Object Selection Criteria (neurochemical valuation system)
- Uo - Ultimate Outcome (environmentally contingent consequences)
6. Methodological Foundation: Formal Thought Experiments and Suggestions
6.1. Thought Experiment 1: "No Effect, No Will" (The Necessary Condition)
6.1.1. Rationale and Limitations of Existing Evidence
6.1.2. Conceptual Design
- Reward pathways: Dopamine (motivational drive, seeking), opioid (pleasure, liking), and cannabinoid (valuation) systems
- Stress pathways: HPA axis and sympathetic nervous system activation
6.1.3. Predicted Outcome and Interpretation
6.2. Thought Experiment 2: "Liking The Unlike" (The Sufficient Condition)
6.2.1. Rationale and Empirical Foundation
6.2.2. Conceptual Design
6.2.3. Theoretical Elaboration: Neurochemical Determinism in Subjective Valuation
6.2.4. Central Thesis and Operational Hypothesis
6.2.5. Experimental Design: Five Sensory Applicability
- Visual: Pairing disliked visual stimuli with reward signaling
- Auditory: Converting aversive sounds to preferred stimuli
- Gustatory: Re-valuing repulsive tastes through chemical reinforcement
- Tactile: Transforming uncomfortable textures to desirable ones
- Olfactory: Converting foul odors to preferred scents
6.2.6. Philosophical and Empirical Foundations
6.3. Thought Experiment 3: "The Mandate Proof by Disprovement" (The Meta-Cognitive Loop)
6.3.1. Rationale and Conceptual Design
6.3.2. Predicted Outcome and Interpretation
- Intellectual Reward Maximization: The cognitive process of disproving a theory provides R↑ signals through novelty, intellectual mastery, and potential status enhancement.
- Stress Minimization through Resolution: The individual’s intellectual distress (S↓) concerning the framework’s simplicity is minimized through engagement in the disproof process, representing a learned implementation strategy.The high stress(the thought ’how i can’t have free choice’) reduction.
- Meta-Cognitive Assimilation: Conscious reflective effort itself functions within the mandate, with consciousness providing the phenomenological experience of autonomous will, while remaining governed by underlying chemical optimization principles.
6.4. Thought Suggestion: "The Brain Knows To Own"
6.4.1. Prerequisites for Effective Implementation
- Positive Condition: Individuals must have no prior engagement with addictive or harmful behaviors, maintaining a baseline neurochemical state unaffected by maladaptive reinforcement patterns.
- Engagement Requirement: Information must be presented in compelling, engaging formats that resonate emotionally and cognitively, moving beyond conventional educational approaches to create proper neurochemical reinforcement.
6.4.2. Reinforcement Mechanisms
- Comprehensive understanding of the severe consequences of addictive behaviors
- Absence of experiential knowledge regarding the pleasurable aspects of such behaviors
- Clear association between harmful activities and significant stress signals
- Recognition of activities that provide sustainable pleasure while supporting long-term wellbeing
- Environmental structures that naturally reinforce flourishing-oriented behaviors
- Avoidance of using stressful methods(eg.advice, forcing, etc) as the primary motivational tool in educational contexts
6.4.3. Theoretical Outcome
7. Affirmation on Whole Reward Maximization
7.1. Neurochemical Specificity and Unity
- Dopamine System (The Seeking Drive): As evidenced by dopamine depletion studies, dopamine is crucial for motivational effort and the seeking component of reward. The absence of this signal substantially impairs goal-directed initiation while leaving consummatory capacity intact.
- Opioid System (The Liking Drive): Current reward research indicates the opioid system mediates hedonic impact or "liking" components of reward. This system enables continued consumption behaviors (e.g., swallowing food placed in the mouth) even when motivational seeking systems are compromised.
7.2. Integrated Mandate Execution
- The Invariant Mandate (R↑) is satisfied not by maximizing any single neurotransmitter system (eg.only dopamine), but by optimizing the net positive proximal value delivered by all chemical contributors—both the motivation to obtain rewards and the pleasure derived from their consumption.
- The residual consumption behavior observed in dopamine depletion studies does not contradict the framework, but rather demonstrates partial execution of the invariant mandate: while seeking mechanisms are disabled, consumption mechanisms (opioid system) remain available to execute the ’maximize pleasure’ component of R↑ when stimuli are delivered passively.
8. The Instantaneous Nature of Neurochemical Dynamic Optimization
8.1. The Self-Optimizing Mandate System
8.2. Two Type of Mandates
8.3. Simple Mandate: Subcortical Instantaneous Reactions
- Continuing Initial Action (R↑): Positive signals trigger immediate continuation of current motor patterns.
- Avoiding Initial Action (S↓): Aversive signals trigger instant withdrawal responses.
8.4. Complex Mandate : Predictive Optimization Through Cortical Processing
- Mandate-Driven Metacognition: The system engages in thinking because it computes that predictive modeling yields superior (R↑,S↓) outcomes compared to immediate action.
-
Self-Improving Computation: Each cognitive cycle refines the mandate’s predictive accuracy, creating progressively better optimization through:
- –
- Learning from prediction-outcome mismatches
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- Building more accurate environmental models
- –
- Developing more effective implementation strategies
- Adaptive Process Management: The mandate continuously evaluates whether thinking, acting, or resting provides optimal chemical payoff, dynamically shifting between states based on real-time computation.
- Capacity Dependency: These predictive optimization processes occur only when the brain possesses sufficient cognitive capacity and access to past experiential data for effective forecasting.
8.5. Interpretation-Reality Discrepancy and Behavioral Outcomes
8.6. The Recursive Nature of Cognitive Optimization
- Secondary Optimization: Using cognitive processes to improve how the mandate itself is executed
- Tertiary Forecasting: Predicting how different thinking strategies will affect future mandate fulfillment
- Emergent Efficiency: Developing increasingly sophisticated implementation mechanisms through iterative refinement
8.7. Phenomenological Reflections of Predictive Computation
- Procrastination: Indicates nearly equal chemical payoffs between competing predictive pathways
- Insight Experiences: Represent sudden computational resolutions where predictive models achieve clarity
- Uncertainty: Reflects the system’s awareness of improper predictive data
- Confidence: Signals strong alignment between predictions and expected chemical outcomes
9. Resolution of Apparent Evolutionary Paradoxes
9.1. Addiction
9.2. Altruism
9.3. Voluntary Childlessness
9.4. Suicide
9.5. Hard Work and Delayed Gratification
9.6. Stress Minimization in Constrained Scenarios
- Current stress (S) is perceived as manageable and predictable
- Alternative actions risk catastrophic future stress (S) through punishment or threat escalation
10. Empirical Evidence
10.1. Evidence for Reward Maximization Mandate
10.1.1. Intracranial Self-Stimulation Studies
10.1.2. Dopamine and Reward Prediction
10.2. Evidence for Stress Minimization Mandate
10.2.1. Fight-or-Flight Response
10.2.2. Conditioned Avoidance Paradigms
10.3. Evidence for Instantaneous Neurochemical Processing
10.3.1. Fast Dopamine Signals for Reward
- Dopamine signals update within 100-200 milliseconds when rewards change
- Real-time measurements show dopamine fluctuations match immediate behavior changes
- Dopamine levels shift instantly during approach/avoidance decisions
10.3.2. Rapid Stress Response Systems
- Threat detection in the amygdala occurs within 150 milliseconds
- Stress triggers immediate dopamine release in emotional centers
- Fear memories form through instant chemical changes
10.3.3. Quick Decision Processing in Brain’s Control Center
- Stress immediately affects how the brain processes rewards
- Stress causes instant changes in decision strategies
- Brain imaging shows real-time coordination between control and emotion areas
10.4. Evidence from Temporal Dynamics of Decision Processes
10.4.1. Timing of Mandate Execution (Readiness Potential Studies)
- Early Neural Initiation: The brain generates a Readiness Potential (RP) approximately 635 milliseconds before physical movement, representing completion of the underlying chemical optimization process
- Action Execution Timing: Motor initiation occurs approximately 200 milliseconds after the decision signal, creating a 435-millisecond period where the mandate has been executed before physical action begins
- Empirical Implication: This temporal sequence indicates that the invariant mandate operates through rapid neural computations that precede behavioral output, consistent with the framework’s emphasis on instantaneous neurochemical optimization
10.4.2. Rapid Cognitive Resolution in Complex Decisions
- Prefrontal Cortex Involvement: Choices favoring delayed rewards show increased anterior PFC activation, indicating complex temporal valuation
- Resolution Speed: The P300 component, marking decision completion, registers between 200-600 milliseconds post-stimulus, demonstrating rapid computation relative to subjective deliberation
- Unified Processing: Evidence supports a single valuation system performing continuous optimization, rather than separate impulsive and rational systems competing for control
11. Philosophical Interpretation: Consciousness and Agency
11.1. Consciousness as State Reflection and Adaptive Truth Avoidance
11.2. The Illusion of Decision
11.3. The Paradox of Causal Experience
12. Fundamental Reductions of Biological and Behavioral Driver
12.1. Reduction of Core Survival Behaviors:It is not an Abstract Purpose, It is the Chemical Mandate
-
Hydration
- Abstract Goal (Rejected): I must drink water to maintain blood volume and live.
- Chemical Mandate (Accepted): Minimize Stress (S↓) by drinking water. Thirst represents a direct, aversive internal S↑ signal, and drinking constitutes the instantaneous chemical solution.
-
Energy Consumption
- Abstract Goal (Rejected): I must eat to maintain metabolic function.
- Chemical Mandate (Accepted): Minimize Stress (S↓) of hunger and Maximize Reward (R↑) of palatability through consumption.
-
Acute Threat Response
- Abstract Goal (Rejected): I must fight or flee to avoid death.
- Chemical Mandate (Accepted): Minimize Instantaneous Stress (S↓) via fight-or-flight response. The mandate compels rapid action to eliminate acute S↑ signaling.
-
Wound Healing
- Abstract Goal (Rejected): My body must repair tissue damage to function.
- Chemical Mandate (Accepted): Minimize Stress (S↓) via pain reduction and Maximize R↑ through opioid-mediated comfort during healing processes.
-
Thermoregulation
- Abstract Goal (Rejected): I must maintain stable core temperature.
- Chemical Mandate (Accepted): Minimize Stress (S↓) caused by thermal discomfort. Seeking shelter represents an implementation strategy to restore a comfortable, low-stress S↓ baseline.
-
Sleep
- Abstract Goal (Rejected): My brain needs downtime for repair and memory consolidation.
- Chemical Mandate (Accepted): Minimize Chronic Stress (S↓) of fatigue and Maximize R↑ through intrinsic reward signals associated with rest and homeostatic restoration.
-
Respiration
- Abstract Goal (Rejected): I must breathe to oxygenate blood.
- Chemical Mandate (Accepted): Minimize Acute Stress (S↓) caused by carbon dioxide buildup. Suffocation sensations represent extreme S↑ signaling that dictates respiratory reflexes.
-
Fear Conditioning
- Abstract Goal (Rejected): I must remember dangers to ensure future safety.
- Chemical Mandate (Accepted): Minimize Predicted Stress (S↓) by forming strong associative memories. Avoidance learning represents a strategy yielding the highest probability of minimizing future S↑ exposure.
-
Resource Acquisition
- Abstract Goal (Rejected): I must secure food for myself and my family.
- Chemical Mandate (Accepted): Minimize Stress (S↓) through cooperative strategies. Individual resource acquisition produces excessively high physical S↑ (effort, hunger, injury risk), while cooperation yields superior S↓ optimization.
-
Parental Investment
- Abstract Goal (Rejected): I must care for offspring to perpetuate genes.
- Chemical Mandate (Accepted): Maximize Reward (R↑) from offspring contact and caregiving. Parental behaviors are reinforced by dopamine and oxytocin release, ensuring persistence of chemically rewarding actions.
12.2. Theoretical Implications
13. Novel Experimental Proposals
13.1. Experiment 1: "No Will to Self Stimulate" (Necessary Condition Test)
13.2. Experiment 2: "Chemical Calculus of Choice" (Invariant Trade-off Test)
- Chamber A: High Reward, Low Stress (20 R↑, 1 S↓)
- Chamber B: Moderate Reward, Moderate Stress (5 R↑, 8 S↓)
- Chamber C: Moderate Reward, Low Stress (5 R↑, 2 S↓)
- Chamber D: Moderate Reward, High Stress (5 R↑, 7 S↓)
- Chamber E: Low Reward, High Stress (2 R↑, 15 S↓)
14. Discussion
15. Conclusion
Data Availability Statement
Acknowledgments
Conflicts of Interest
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