Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

DPT 802 NeuroBio > Lecture 10- limbic system > Flashcards

Lecture 10- limbic system Flashcards

1
Q

what is the limbic lobe

A

cortical structure, circular boundary plus olfactory bulb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what lobe does the limbic lobe not touch

A

occipital lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

where is the hypothalamus

A

anterolateral wall of 3rd ventricle
superior to optic chiasm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is the function of the hypothalamus

A

homeostasis
reproduction
bridge endocrine and nervous system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is the function of the lateral nucleus in the hypothalamus

A

increase appetite and food intake

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is the function of the ventromedial nucleus in the hypothalamus

A

decrease appetite and food intake

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is the function of the posterior nucleus in the hypothalamus

A

increase body temp
constrict blood vessels in skin
decrease sweat
causes shivering

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the function of the anterior nucleus in the hypothalamus

A

decrease body temp
produces sweat
dilates blood vessels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is the function of the paraventricular nucleus in the hypothalamus

A

produces oxytocin
contractions of uterus
milk secretion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is the function of the supraoptic nucleus in the hypothalamus

A

produces ADH
constricts blood vessels
kidneys absorb water to increase BP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

where does to paraventricular and supraoptic nucleus project and what is produced

A

neurohypophysis in the pituitary gland produces SAD POX for mating, bonding, and brain development

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

where is the neurohypophysis

A

diencephalon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what hormones are produced when the hypothalamus projects to the adenohypophysis

A

thyrotropin-releasing
growth horomone-releasing
somatosatin
corticotropin-realeasing
gonadotropin-releasing
prolactin-releasing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

where is the adenohypophysis

A

posterior oral cavity
Rathke pouch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what carries the hormones to the adenohypophysis

A

hypophysial portal vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what type of reflex id the temp regulation reflex

A

intrinsic
autonomic reflex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what is temp regulation reflex

A

specialized temp-sensing neurons
pends on blood temp with set point of 37 deg C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

where is heat dissipation triggered in the hypothalamus

A

rostral hypothalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

where is heat conservation/production triggered in the hypothalamus

A

caudal hypothalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what is a fever

A

cytokines/bacterial endotoxin increase the temp setpoint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

what syndrome is known for activating the temp regulation reflex due to irregular body temp setpoint

A

postmenopausal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

what type of reflex is water balance reflex

A

neurohumoral
autonomic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

what is the water balance reflex

A

specialized osmolarity-sensing neurons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

what does the water balance reflex pend on

A

plasma osmolarity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

what happens if plasma osmolarity is too high

A

increase ADH
supraoptic nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

what happens if plasma osmolarity is too low

A

decrease ADH
supraoptic nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

what blocks ADH release and the result

A

alcoholism
urination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

what is diabetes insipidus

A

not enough ADH released into the blood

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

what type of reflex is baroreceptor reflex

A

extrinsic
autonomic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

what innervates afferent signals for baroreceptor reflex

A

CN IX carotid sinus
over X aortic arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

what innervates efferent signals for baroreceptor reflex

A

CN X

32
Q

what is the function of baroreceptor reflex

A

decrease HR or BP

33
Q

what can overwrite the baroreceptor reflex

A

hypothalamus

34
Q

what is the function of medial frontal lobe

A

regulating drive and emotion

35
Q

what is the function of cerebellum

A

emotion and motor skill memory

36
Q

what is the function of amygdala

A

emotion

37
Q

what is the function of hippocampus

A

declarative memory

38
Q

what is the function of thalamus

A

coordination

39
Q

what makes up the fornix

A

amygdala and hippocampus

40
Q

where is the amygdala

A

medial to inf horn of lateral ventricle
lateral to optic tract
anteromedial to hippocampus

41
Q

what nuclei clusters are formed in amygdala and function

A

medial- olfactory tract
central- hypothalamus and brainstem
basolateral- different cortex region and sensory pathway

42
Q

how does the amygdala affect emotional learning

A

fear conditioning through experienced aversive stimuli

43
Q

how does the amygdala learn through experience

A

video
drawings
warning

44
Q

where does memory go to be enhanced

A

amygdala to the hippocampus for encoding

45
Q

what is the pathway used for if scared in the amygdala

A

fast track: alert system

46
Q

what is the pathway of the fast track in the amygdala

A

sensory signal to thalamus to amygdala to reflexes

47
Q

what pathway is used for emotion in the amygdala

A

slow track: cortico-amygdaloid
more info
analyze situation

48
Q

what is the function for the shell of the nucleus accumbens

A

pleasure

49
Q

what is the function for the core of the nucleus accumbens

A

want/drive

50
Q

what is the reward seeking pathway

A

dopamine from ventral tegmental are (midbrain) to nucleus accumbens to dorsal medial thalamic nuclei to medial/ventral prefrontal cortex and anterior cingulate gyrus

51
Q

what hormone is released in the ventral tegmental area

A

dopamine

52
Q

what is the aversion pathway

A

ventral tegmental area to medial prefrontal cortex and anterior cingulate gyrus

53
Q

where is stem neuron cells of hippocampus

A

dentate gyrus and septal nuclei
regenerate granule cells

54
Q

what cells are in the hippocampus proper

A

pyramidal cells

55
Q

where is afferent signals of hippocampus

A

entorhinal cortex
amygdala
fornix

56
Q

where is efferent signals of hippocampus

A

fornix
entohinal cortex

57
Q

what is anterograde amnesia

A

no new memory
short period of forever

58
Q

what is retrograde amnesia

A

loss of old memory
short period

59
Q

what is temporal graded amnesia

A

loss of recent memory but intact with much older memory

60
Q

what is flat gradient amnesia

A

all memories impaired

61
Q

what is damaged with flat gradient amnesia

A

midline diencephalic structure

62
Q

what type of amnesia is Alzheimer’s disease

A

from temporal graded to flat gradient

63
Q

where is septal nuclei

A

midline diencephalic structure

64
Q

what type of amnesia is in korsakoff’s disease

A

anterograde amnesia with old memory mixed up as new memory

some retrograde amnesia

65
Q

what is damaged in Korsakoff’s disease

A

alcoholism results in death of septal nuclei neurons

66
Q

what is working memory

A

new info under encoding

67
Q

what is declarative memory

A

episodic or semantic

68
Q

what is episodic memory

A

recollection of personal experience about what/where/who/when

69
Q

what is semantic memory

A

general world knowledge and facts learned

70
Q

what is nondeclarative/implicit memory

A

motor skills- perform activity subconsciously

71
Q

where is declarative memory

A

hippocampus and medial diencephalon

72
Q

where is nondeclarative/implicit memory

A

cerebellum/amygdala/basal nuclei and cerebrum

73
Q

what is priniciple one of memory storage

A

same association cortex for 1st experience and 2nd time retrieval

74
Q

how is episodic memory stored

A

multimodal stoarge in different cortex (smell/taste/visual/auditory)
integration of different hippocampus structures during recall

75
Q

how is semantic memory stored

A

anterior temporal lobe or other association cortices

76
Q

what is principle number 2 of memory storage

A

dissociation of memory
unilateral cortical injury will demonstrate different types of amnesia

DPT 802 NeuroBio (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions