Botanical Context Biasing for Experience-Dependent Neuroplasticity: A Two-Timescale Hypothesis of Directional Reinforcement During Psilocybin-Induced Plasticity

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Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-09-14
DOI
https://doi.org/10.5281/zenodo.22758089
Primary Topic
Psychedelics and Drug Studies
Type
preprint
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preprint

Botanical Context Biasing for Experience-Dependent Neuroplasticity: A Two-Timescale Hypothesis of Directional Reinforcement During Psilocybin-Induced Plasticity

Shaun Robinson
Zenodo (CERN European Organization for Nuclear Research)
Psychedelics and Drug Studies
preprint

Botanical Context Biasing for Experience-Dependent Neuroplasticity: A Two-Timescale Hypothesis of Directional Reinforcement During Psilocybin-Induced Plasticity

Shaun Robinson
preprint en

Abstract

Psilocybin and related psychedelics can induce transient states of increased neural variability, context sensitivity, and plasticity-associated signaling. We hypothesize that selected companion botanicals can be composed with psilocybin to create a reproducible physiological and experiential lens, a botanical context, that biases the qualitative trajectory of the psychedelic state without increasing its pharmacological intensity. In this formulation-level model, psilocybin is the primary compound of experience and changeability, while companion botanicals shape variables such as arousal, autonomic tone, attentional salience, motivational state, interoception, and affect. The prediction is not that botanicals force an outcome, but that they alter the probability distribution of experience in consistent, formulation-specific directions. We further propose that this input operates across two timescales. A tonic layer, established over weeks of continuous administration, sets the stable physiological baseline into which each plasticity window opens and is the principal source of the input’s reproducibility across sessions. A phasic layer, comprising rapidly bioavailable constituents, contributes directional character within the session itself. The two-timescale structure answers an objection that applies only to single-session readings of the model: constituents whose pharmacology is chronic are not thereby excluded from a repeated-administration protocol, since their effects are already at steady state when the window opens. The second and third stages of the hypothesis concern experience-dependent reinforcement. If plasticity increases sensitivity to ongoing experience, then patterns of perception, affect, cognition, relationship, and behavior repeatedly expressed within a biased context should be preferentially reinforced. Repetition under a coherent botanical context is therefore predicted to increase persistence. Reinforcement and repetition are stages of the proposed botanical model: a single session, including a high-dose session, can produce durable change; repeated congruent experience is proposed to strengthen and stabilize that change into context-congruent patterns that recur more reliably over time. The hypothesis extends set-and-setting, REBUS, and recent context-sensitive plasticity frameworks by moving part of "setting" inside a standardized co-formulation and by linking formulation-specific experiential bias to downstream learning and stabilization. The hypothesis arose from formulation work in which a common psilocybin extract backbone was paired with distinct botanical constellations intended to favor activation and energy, cognitive clarity and focus, or emotional and somatic openness. Informal observations repeatedly suggested corresponding experiential differentiation despite use of the same backbone. Those observations are uncontrolled, subjective, and unable to separate pharmacology from expectancy or sensory conditioning; they are presented as the origin of the hypothesis, not as proof. We specify factorial, sensory-matched, and time-course experiments capable of confirming or disconfirming botanical context biasing, including a differentiation-emergence design that compares the emergence of tonic differentiation with measured expectancy over time. Full-spectrum mushroom extract and molecular-epigenetic directionality are treated as separable secondary hypotheses rather than requirements of the model.

Zenodo (CERN European Organization for Nuclear Research)
California Wellness Foundation (US), Clark County School District (US)
Psychedelics and Drug Studies
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