Term
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Definition
group of inter-connected brain regions consisting of cortical and sub-cortical structures within the basal forebrain and "limbic" (cingulate) cortex
-emotion, motivation, and cognition
(cingulate cortex and PFC, hypothalamus, thalamus, amygdala, hippocampus, and nucleus accumbens) |
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Term
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Definition
(diencephalon)
-initial processing of all sensory info
-processes motor info
-interconnected with limbic system |
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Term
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Definition
involved in perception of emotion
-receives sensory input from somatosensory cortex, thalamus, olfactory nerve, hippocampus
-senses projections to the hypothalamus, hindbrain nuclei, and to ventral striatum |
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Term
| medial nucleus (amygdala) |
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Definition
receives olfactory info
sends excitatory signals to the hypothalamus |
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Term
| lateral/basolateral nucleus (amygdala) |
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Definition
receives info from hippocampus about memories
sends excitatory signals to the nucleus accumbens |
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Term
| central nuclei (amygdala) |
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Definition
receives info from lateral & basolateral nucleus
sends excitatory signals to a host of regions involved in arousal |
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Term
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Definition
enhanced amygdala activity
altered PFC activity |
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Term
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Definition
involved in transition of info from short term memory to long term memory
damage=anterograde amnesia
disorganization=schizophrenia |
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