When One or More Presynaptic Neurons Fire in Rapid Order

question 26

Short Answer

When one or more presynaptic neurons fire in rapid order it produces a much greater depolarization of the postsynaptic membrane than would result from a single EPSP; this event is called __________ summation.

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Definitions:

Premotor Cortex

A region of the frontal lobe involved in planning and coordinating movements.

Motor Cortex

A region of the brain in the frontal lobe involved in planning, controlling, and executing voluntary movements.

Orbitofrontal Lesions

Damage to the orbitofrontal cortex, which can alter personality and inhibit social and emotional behavior, leading to deficits in decision-making and impulse control.

Dorsolateral Prefrontal Cortex

A region of the brain that plays a crucial role in executive functions, such as working memory, cognitive flexibility, and planning.