Synaptic Plasticity (STDP)

Spike-timing dependent plasticity — Hebbian learning through coincidence detection
STDP Rule: Δw = A+·exp(Δt/τ+) if Δt>0 (LTP)
Δw = −A−·exp(−Δt/τ−) if Δt<0 (LTD)

Post after pre → synapse strengthened.
Pre after post → synapse weakened.