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What are the specialized junctions between neurons called?


Sherrington found that repeated stimuli within a brief time have a cumulative effect. He referred to this phenomenon as what?

Temporal summation

ESPS decay over...

Time and space

Depolarization is to excitation as hyperpolarization is to ____ ?


What does spatial summation present?

Two or more weak stimuli at the same time

Temporal summation is to _____ as spatial summation is to _____ ?

Time, location

What are three catecholamines?

Epinephrine, norepinephrine, amd dopamine

If you eat a food containing tryptophan, and you consume carbohydrates with it, what will happen?

Increase entry into the brain

High concentrations of all neurotransmitters, except NO, are stored in....

Presynaptic terminals

The release of neurotransmitter from the presynaptic terminal is most dependent on...

The influx of calcium

The neurotransmitter GABA exerts _____ effects, and its effects are almost always _____.

Ionotrophic, inhibitory

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