Subjecting neurons in the perforant pathway to tetanus stimulation strengthens activity in the dentate gyrus, indicating that

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The strengthening of activity in the dentate gyrus after tetanus stimulation suggests the occurrence of long-term potentiation, which is a form of synaptic plasticity involving changes in the strength of synapses, and is one of the mechanisms believed to underlie learning and memory. The phenomenon of strengthening synapses based on their simultaneous activation, known as Hebbian plasticity, is one of several mechanisms implicated in long-term potentiation. Therefore, the fact that tetanus stimulation can induce lasting changes in synaptic strength indicates that synapses in the brain are capable of Hebbian plasticity.

Subjecting Neurons in the Perforant Pathway to Tetanus Stimulation Strengthens