Hebbian theory

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Seonglae ChoSeonglae Cho
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Created
2025 Jun 22 18:56
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2025 Jun 22 19:21

Hebbian Learning

The principle that neuronal synchronization strengthens synaptic connections between simultaneously firing neurons, commonly expressed as "neurons that fire together, wire together"
 
 
 
 
Hebbian theory
Hebbian theory is a neuropsychological theory claiming that an increase in synaptic efficacy arises from a presynaptic cell's repeated and persistent stimulation of a postsynaptic cell. It is an attempt to explain synaptic plasticity, the adaptation of neurons during the learning process. Hebbian theory was introduced by Donald Hebb in his 1949 book The Organization of Behavior.[1] The theory is also called Hebb's rule, Hebb's postulate, and cell assembly theory. Hebb states it as follows:
Spike-Timing-Dependent Plasticity (STDP) is a learning rule where if a pre-synaptic neuron fires within milliseconds before a post-synaptic neuron, it leads to timing-dependent Long-Term Potentiation (tLTP), while if the firing order is reversed (post→pre), it results in timing-dependent Long-Term Depression (tLTD)
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