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20 Cards in this Set
- Front
- Back
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What is the general function of the limbic system?
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Anatomical substrate for drive-related and emotional behavior.
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Give three examples of drive-related behavior associated with the limbic system.
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eat, drink, reproduce
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What are the five functional components of the limbic system?
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Cingulated gyrus
Hippocampus Parahippocampal gyrus Amygdala Septal nuclei |
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What is the purpose of the cingulated gyrus?
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Brings together motivation with physical action. It activates the limbic system.
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What is the purpose of the hippocampus?
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Involved in the formulation of long-term memory
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What is the purpose of the parahippocampal gyrus?
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Plays a part in memory and navigation.
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What is the purpose of the amygdala?
It's considered a substrate for what? |
Involved in fear and anger - both generation and recognition in others.
Empathy |
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What is the purpose for the septal nuclei?
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One area associated with pleasure.
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What sort of abnormalities are associated with injury to the amygdala?
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Loss of fear. "Emotional blunting - the creature may act rather placid.
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What sort of abnormaliteis are associated with injury to the hippocampus?
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Loss of declarative memory for new events.
Hyperactivity |
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Draw out the papez circuit
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See the drawing.
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What does the septum feed?
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hypothalamus and frontal association cortex.
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What is damaged in the kluver-bucy syndrome?
What is a two word discription of the result of this damage? |
Amygdala, anterior hippocampus, portions of temporal lobe.
Behavior disorder |
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List the six signs and symptoms of a rhesus monkey showing the Kluver-Bucy syndrome.
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1) Loss of fear
2) Placidity 3) Visual agnosia (can't recognize familiar objects) 4) Tendency to examine all objects orally 5) Hypersexuality (indiscriminate) 6) Loss of emotional valence (loss of value) |
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What is damaged in Korsakoff's Psychosis? What causes it?
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Mammillary bodies.
Alcoholism |
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What is the result of Korsakoff's Psychosis?
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1) Anterograde amnesia
2) May show disorientation and confusion 3) Confabulation |
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The limbic system is the ____ between ____ and ____.
Give the basic flow between the named elements. |
coordinator
Neocortex and hypothalamus/ANS Neocortex <--> Limbic System <--> Hypothalamus |
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Name the four limbic system efferents plus one interlimbic connection of the amygdala to ___?
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hippocampus -> hypothalamus
amygdala-> hypothalamus amygdala -> Septum (Basal fore brain) Basal Forebrain (septum) -> Prefrontal Cx Basal Forebrain (septum) -> hypothalamus |
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What are the four neocortex inputs to the limbic system?
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Frontal Association Cx -> Cingulate Gyrus
Parieto-occipital Cx -> Cingulate Gyrus Temporal Association -> Amygdala Temporal Association -> hippocampus |
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What is one major function of the temporal association cortex?
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Recognition of people and objects.
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