Plasticity

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Raul Montoya Cardenas edited this page Jul 29, 2026 · 5 revisions

Plasticity

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Classical Hebbian STDP

Module: hebbian (apply_classical_stdp, StdpParams, HebbianIzhikevichNetwork)

Pre-before-post → LTP; post-before-pre → LTD (standard timing rules).

Reward-modulated STDP (R-STDP)

Module: rm_stdp

Symbol	Role
`EligibilityTrace`	Trace state
`RmStdpConfig`	Config
`RM_STDP_TAU_PLUS/MINUS`	Time constants (default 20)
`RM_STDP_A_PLUS/MINUS`	Amplitudes (0.01 / 0.012)
`RM_STDP_W_MIN/MAX`	Weight clamps

Engine STDP paths are influenced by modulator state (e.g. dopamine gating) during step.

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Last updated: July 29, 2026 Updated by: Grok Build: Grok 4.5 Package tip reference: 67c1573 (main, v0.5.0) Cubic: page-intro Devin DeepWiki: neuromod @ 67c1573