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Physio
Synapses - Ch 3
7
Psychology
Graduate
01/20/2011

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Term
Reflex arc
Definition
The circuit from a sensory neuron to muscle response.
Term
Temporal summation
Definition
Repeated stimuli within a brief time have a cumulative effect.
Term
excitatory postsynaptic potential (EPSP)
Definition
a graded depolarization
Term
Spatial summation
Definition
Synaptic inputs from separate locations combine their effect on a neuron
Term
Inhibitory postsynaptic potential(IPSP)
Definition
Temporary hyperpolarization
Term
spontaneous firing rate
Definition
A periodic production of action potentials even w/o synaptic input
Term
catecholamines
Definition
epinephrine, norepinephrine & dopamine. All have catechol group & amine group
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