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Neuroscience 2 > Limbic > Flashcards

Limbic Flashcards

1
Q

Limbic system function

A 
HOME
homeostasis
olfaction
memory
emotions
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2
Q

hypothalamus structures

A

tuber cinerum
mamillary bodies
infundibulum

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3
Q

hypothalamus afferent - solitary nu

A

vagus on BP and gut distention

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4
Q

hypothalamus affarent - reticular form and spinal cord

A

skin temp

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5
Q

hypothalamus affarent - retinal path

A

day night input –> circadian rhythm

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6
Q

hypothalamus affarent - limbic

A

eating, reproduction

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7
Q

hypothalamus affarent - circumventricular

A

change in osmolarity

toxins

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8
Q

circadian rhythms use what nucleus

A

suprachiasmatic nu SCN

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9
Q

during the day circadian rhythm goes where

A

posterior hypothalamic nu

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10
Q

eyes send day/night info to and projects

modulate what

A

SCN and projects to hypothalamic nu and pineal

Body temp, prod of hormones (melatonin)

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11
Q

inhibitory projections to the SCN from what and do what

A

ventral lateral preoptic area of ant hypothal inhib activating systems of reticular formation

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12
Q

hypothalamus major outputs

A

autonomic - medulla
endocrine - pituitary
limbic - hippocampal, and amygdala

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13
Q

autonomic control hypothalamus controls

A

HR, vasoconstriction, digestion, sweating etc

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14
Q

limbic systems hypothalamus special about it

A

full loop

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15
Q

pituitary gland anterior hormones

A 
FLAT PiG
FSH
LH
ACTH
TSH

Prolactin
GH

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16
Q

posterior pituitary hormones

A

oxytocin
vasopressin
these can come straight from hypothalamus

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17
Q

Entorhinal cortex does

A

smell and memory

18
Q

orbitofrontal olfaction areea

A

smell discrimination

19
Q

amygdala olfaction

A

smell and emotion and motivation

20
Q

special about smell memory and input

A

only one that doesn’t go to hippocampal

does not receive input from thalamus

21
Q

hippocampal formation memory

A

long term memory

22
Q

parahippocampal gyrus memory

A

object identity and configuration

this is my phone and i know this is my phone

23
Q

perirhinal

A

coding of familiarity

i know i have seen this before

24
Q

hippocampal recieves info from

A

heteromodal association via entorhinal

contralateral hippocampus via hippocampal commissure

25
Q

what produces ACh for hippocampal

A

basal forebrain and septal nu

26
Q

hippocampal theta rhythm

A

store short-term mem

27
Q

hippocampal output

A

goes back to heteromodal association cortex via entorhinal

subcortical via fornix

28
Q

Fornix connects what

A

hippocampal and subcortical structures

29
Q

fornix is involved with what

A

hippocampal theta rhythm (septal nu)

mamillary bodies and ant nu thalamus

30
Q

what memory is limbic involved with

A

minutes to years

31
Q

temporal poles memory

  • heteromodal association
  • left temporal
  • right temporal
A
  1. social emotional
  2. semantic memory - meanings names general impersonal
  3. personal and episodic memories - closely associated with emotion and socially relevant
32
Q

Amygdala fx

A

emotion and drive

33
Q

amygdala has what kind of connections

A

bidirectional connection

34
Q

amygdala connections with what areas

A

hypothalamus and brainstem

MD

limbic cortex and hypothalamus

hippocampal formation

septal nu

medial orbitofrontal cortex

35
Q

amygdala - hypothalamus and brainstem

A
  • autonomic and breathing

- fear processing

36
Q

amygdala - MD

A
  • fear reflex

- emotional learning

37
Q

Amygdala - hypothalamus

A
  • neuroendocrinological mod
38
Q

amygdala - hippocampal formation

A
  • emotional aspects memory

- fear inducing events

39
Q

amygdala - septal nu

A
  • rewarding experiences
40
Q

amygdala - medial orbitofrontal cortex

A
  • decision making and emotion

- modulation of bodily changes

41
Q

posterior cingulate gyrus memory

A

recall autobiographical memories

42
Q

anterior cingulate cortex

A

vocalizations associated with expression of states

Neuroscience 2 (7 decks)

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