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Neurology > Limbic System- Block 3 > Flashcards

Limbic System- Block 3 Flashcards

1
Q

what are the 4 main structures for the 4 basic functions of the limbic system

A

olfactory cortex (olfaction)
hippocampal formation (memory)
amygdala (fear learning/emotion)
hypothalamus (homeostasis)

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2
Q

what is the role of the limbic cortex

A

social identity, memory, and response

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3
Q

what is the function of the hippocampal formation

A

memory consolidation

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4
Q

the hippocampal formation received inputs from the entorhinal cortex via the __ and __ pathway

A

perforant pathway
alvear pathway

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5
Q

what is the role of the hippocampal formation

A

memory consolidation
positioning in environment

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6
Q

what structure of the limbic system has an internal “GPS” with grid and place cells

A

hippocampus

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7
Q

the posterior fibers of the fornix go to the __

A

mammillary bodies

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8
Q

the anterior fibers of the fornix go to the __

A

septal nuclei and nucleus accumbens

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9
Q

what is the function of the olfactory cortex

A

mediate learning and emotional response to smell

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10
Q

what is the function of the septal region

A

pleasure and joy learning and response
inhibition of aggression

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11
Q

the diagonal band of Broca of the hippocampal formation is involved in __

A

motivation and pleasure

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12
Q

what is the function of the basal ganglia

A

drive/motivation
reward
pleasure

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13
Q

the basal ganglia receives input from the __ and output via __

A

nucleus accumbens
ventral pallidum

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14
Q

what is the function of the amygdala

A

fear learning
anxiety
aggression

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15
Q

what nuclei of the amygdala are involved in amygdalar functions of emotion and fear

A

basolateral

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16
Q

where does the basolateral nuclei of the amygdala receive input from

A

hippocampus
visual, auditory, and somatosensory association cortex

17
Q

the basolateral nuclei of the amygdala contains what type of neurons

A

GABA

18
Q

what is the presentation of someone with Kluver Bucy syndrome

A

docility with decreased anxiety/aggressive responses

19
Q

what brain structure is altered in someone with Kluver Bucy syndrome

A

basolateral nucleus of the amygdala

20
Q

Kluver Bucy syndrome may be caused by what

A

herpes simplex encephalopathy

Neurology (11 decks)

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