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Limbic System
Neuroscience
21
Medical
Professional
04/30/2011

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Term
where does the olfactory system terminate?
Definition
cortex
Term
How does rhinorrhea occur?
Definition
fracture of anterior cranial fossa
Term
how does irritation of the lateral olfactory area happen?
Definition
If the temporal cortex is compressed against tentorium cerebelli
Term
This is characterized by olfactory hallucinations and involuntary movements of lips and tongue.
Definition
compression of temporal cortex
Term
where does the hippocampus receive afferent fibers from?
Definition
neocortical-->cingulate gyrus-->entorhinal cortex-->hypo

Also, the diagonal band of Broca
Term
what is the major outflow of the hippoc?
Definition
fornix that terminates in mammillary body
Term
septal region receives considerable amount of input from
Definition
amygdala
Term
the mammillary bodies receive input from the
Definition
ipsilateral fornix
Term
the anterior nucleus of the thalamus receives input from
Definition
mammilothalamic tract and fornix
Term
this connects the amygdala with the septal region and hypothalamus
Definition
stria terminalis
Term
what is the function of the amygdala
Definition
it integrates emotional expression w/meaningful behavior
Term
what is the role of the habenular nuclei
Definition
integrating information concerned w/reproduction
Term
descending limbic info from limbic does what?
Definition
cardiovascular and resp rates, gastric functions.
Term
Where are our generated emotions sent to?
Definition
limbic->hypo->habenular nuclei
Term
circuit of Papez
Definition
hippocampal formation->mamillary nucleus->ant. thalamic->cingulate gyrus->parahippocampal cortex
Term
main funct of hippoc
Definition
short term memory
Term
lesion of mammilary bodies, hippoc, and dorsomedial thalamic nuclei
Definition
Korsakoff's-B1 deficiency
chronic alcoholic
Term
Bilateral lesion to temporal lobe
Definition
Kluver-Bucy syndrome
absence of emotions
overly attentive
hypersexual
psychic blindess
Term
what does stimulation of the amygdala cause
Definition
fear, anxiety, and eating
Term
stimulation of hippoc and cingulate
Definition
fight or flight response
Term
major role of papez circuit
Definition
cortical control of emotion and storing memory
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