Question
Dopamine vs. serotonin
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Answer
Dopamine is classically reward/motor control; serotonin is classically mood regulation.
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Question
Depolarization
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Answer
Membrane becomes less negative as Na+ enters through voltage-gated Na+ channels; not the same as threshold.
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Question
Excitatory vs. inhibitory neurotransmitter binding
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Answer
Excitatory depolarizes; inhibitory hyperpolarizes the postsynaptic membrane.
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Question
Dorsal sensory pathway vs. ventral motor pathway
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Answer
Sensory information arrives dorsally; motor commands exit ventrally.
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