Term
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Definition
| connects many non-motor structures with the primary motor cortex via the basal ganglia |
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Term
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Definition
ventral striatum
-highly involved in turning motivation into ACTION
-start of motor output of limbic system
-approach or avoid
NAC ACTIVATED!
-rich in dopamine receptors (receives signals from VTA) |
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Term
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Definition
all things good increase activity in nucleus accumbens
-food, water, sex, drugs
damage=reduction in eating, drinking, sex, drug-taking (depression=low activity here) |
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Term
| dopamine hypothesis of addiction |
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Definition
| ability of drugs of abuse to elevate and to sensitize elevation in nucleus accumbens levels of dopamine is responsible for motivation for the effects of the drug! |
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Term
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Definition
circuit of inter-connected brain regions
-initiation, coordination, and control of motor movements
-procedural memory |
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Term
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Definition
loss of striatal inhibitory GABA interneurons
-hyperactivity of NSDS |
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Term
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Definition
| loss of SN dopamine neurons |
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