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PH010 — Behavioural Activation

Capacity to translate motivation into action, task initiation, and sustained behavioural engagement.

How effectively motivation converts into starting tasks and sustaining behavioural engagement.

Therapeutic areas: TA001 ★TA003TA007

Provenance: Core Version 1 registry phenome for translating motivation into action. Related to Motivation/Drive (PH002) per RF003; distinct as behavioural initiation/engagement rather than intrinsic drive tone. (origin: BRAIN)

Related phenomes: PH002 — Motivation / Drive

External framework cross-references

RDoC domains

  • Positive Valence Systems — initial response to reward / action initiation

DSM / ICD context

  • Attention-deficit/hyperactivity disorder — hyperactivity/impulsivity
  • Major depressive disorder — behavioural activation contexts

Foundational Evidence

Evidence Confidence: Low

Registry-level score for this phenome's foundational evidence stack — not Biology → Phenome Confidence on individual mechanism pages.

Mechanism coverage is thin at registry level; endocannabinoid and dopaminergic reviews provide construct context only — not behavioural-activation intervention evidence.

Registry-level foundational evidence for this phenome. Mechanism pages link to phenome IDs and carry relationship-specific evidence — not duplicated here.

Construct landmark papers

  • Covey et al. (2017) — Endocannabinoid system and motivated behaviour / action initiation biology.
  • Aquili (2020) — Catecholaminergic signalling and goal-directed behavioural engagement.

Biology → phenome landmark papers

Nutrition → biology landmark papers

  • Reimherr et al. (1987) — Tyrosine supplementation in ADHD — early human evidence for activation-related biology.
  • Wang et al. (2019) — Dietary amino-acid context modulates neurotransmitter biology relevant to task engagement.

Connected mechanisms