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Limbic System
Lecture
31
Anatomy
Graduate
04/09/2015

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Term
what is the limbic system involved in broadly speaking (2)
Definition
control and regulation of emotional behavior and basic biological drives
Term
What is the limbic system involved in more specifically? (3)
Definition
process of learning, memory, olfaction
Term
5 structures of the Limbic lobe
Definition
cingulate gyrus, isthmus, parahippocampal gyrus, uncus, hippocampal formation
Term
what makes up the hippocampal formation
Definition
hippocampus, dentate gyrus
Term
limbic system is composed of what 6 structures
Definition
limbic lobe, amygdala, habenula, anterior thalamic nuclei, dorsomedian nuclei, mamillary bodies of hypothalamus
Term
part of the limbic system involved with olfaction is called what
Definition
rhinencephalon
Term
olfaction is important for initiating behaviors for what (2)
Definition
survival, reproduction
Term
sense of smell in humans plays a smaller role in survival and reproduction, but can still do what in regards to the limbic system?
Definition
conjure up memories and arouse emotions
Term
olfactory imformation projects to what (2) structures
Definition
amygdala, uncus
Term
what is the importance of the amygdala in terms of olfaction (3)
Definition
emotional, endocrine, and visceral consequence of odors
Term
role of the uncus in olfaction
Definition
important in olfactory memories
Term
olfactory information projects from amygdala and uncus to where (2)
Definition
septal area, hypothalamus
Term
olfactory information projects from the amygdala and uncus to the septal area and hypothalamus via what
Definition
stria terminalis
Term
perception and discrimination of smell are associated with what structure
Definition
uncus
Term
the uncus may have a role in appetite and appetite behavior projections to which nucleus of the hypothalamus
Definition
ventromedial nucleus
Term
what structure is implicated in the consolidation of short term memory to long term memory and is needed for new learning?
Definition
hippocampus
Term
structure which mediates both inborn and acquired emotional responses
Definition
amygdala
Term
the amygdala may play a role in what emotion
Definition
pleasure
Term
the amygdala is associated with what 2 feelings
Definition
fear, anxiety
Term
removal of the amygdala eliminates what (3)
Definition
learned responses to fear, innate responses to fear, ability to express emotion
Term
electrical stimulation of the amygdala in humans produces what emotions
Definition
fear, apprehension
Term
released from expressing fear, absence of emotional responses, anger is accompanied by loss of facial experssion and vocal protests is what syndrome?
Definition
Kluver Bucy Syndrome
Term
Procedure that results in the Kluver-Bucy Syndrome
Definition
bilateral ablation (destruction) of anterior temporal lobes
Term
bilateral ablation (destruction) of anterior temporal lobes results in the loss of what structures (3)
Definition
amygdala, uncus, portion of hippocampus
Term
what happens visually as a result of Kluver-Bucy syndrome
Definition
visual agnosia
Term
what is visual agnosia
Definition
ability to see and locate objects visually, but unable to recognize the object by sight
Term
Kluver-bucy syndrome results in this tendency
Definition
oral
Term
primary manifestation of kluver-bucy syndrome other than emotional
Definition
oral tendencies
Term
Korsakoff's Syndrome is a result of changes to what (2) structures
Definition
pathologic changes in mamillary bodies and dorsomedial nucleus of the thalamus
Term
Korsakoff's Syndrome is due to what (2)
Definition
chronic alcoholism, thiamine deficiency
Term
symptoms of Korsakoff's Syndrome
Definition
profound memory loss, become easily confused, compensatory confabulation
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