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CNS > memory and cognition > Flashcards

memory and cognition Flashcards

1
Q

cognition

A

thought processing behvaour
intergatoin of all sensory information to make sense of a situation

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2
Q

neuronal plasicty

A

abiltiy of brain to adapt, though central neurons change connection due to learning experiences

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3
Q

assocation area

A

intergration of information from multiple sources

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4
Q

name of assoication areas

A

sensory assocation area
motor assocation area
preforta assocation area
auditory assocation area
visual assocation area

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5
Q

what is the role of the hippocampus

A

formation of memories

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6
Q

role of cortex

A

storage of memories

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7
Q

role of thalamus

A

searches and accesses memorries

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8
Q

what is part of the limbic system

A

cingulate gyrus
hipppocampus
amygdala
hypothalamus

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9
Q

role of cingulate gyrus

A

emotion

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10
Q

role of amygdala

A

emotion and memory

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11
Q

hypothalamus fuciotn

A

links betwen emtion an ans response

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12
Q

what is the limbic system mianly for

A

insticive behaviorus , such as thirst, sex hunger
emotive behaviour - theses are driven by reward and avoid punishment

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13
Q

what experneic are heard to remember by the limbic system

A

those which do not have a reward or a punishment

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14
Q

role of hippocamus

A

all sensory informaiton goes though it
needed for the formation of new memories

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15
Q

what is bilaterla hipcampla dmage effect

A

loss of senosry memories, but have intact long tem memres, meaing that they cannot form new memories

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16
Q

how long does immediate or sensory memory last

A

a few seconds

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17
Q

which decay faster visual or auditayr sensory memories

A

visual - 1 second
auditoary 4 seconds

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18
Q

what is short term memory length

A

seconds to hours

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19
Q

what type of pathway in the brain is used for short term memory

A

reverberating circuits

20
Q

how long does intermediate long term memory last for

A

hours to week

21
Q

what type of change in the brain is seen with intermediate long term memory

A

chemical adaptations in t presynaptic termial

22
Q

what is long term memory lenght

A

lifelong

23
Q

what chagnes in brain is seeen in long term memory

A

changes in sympatic connection with a stucualt change

24
Q

what is a reverbeating circit

A

short term memory, where a ciruclar cuitc, will be retain the information for a short time, and can be exitited by a stimulus

25
Q

what causes a revernating cuircuit to change into a intermide long term memory

A

depending on frequent the cirucit is acitivated

26
Q

amnesia

A

memory loss due to reverberation is disrupted

27
Q

what are teh types of amnesia

A

anterograde, and reterograde

28
Q

what is anterograde amnesia

A

cannot recall events that happen after an injury. ie. form new memories

29
Q

what is reterograde ameis

A

can’t remember events that happend before teh injury, or past events

30
Q

when does retrograde amnesia occur

A

when the thalams is damaged and the hippothalamus is spared

31
Q

role of thalamus

A

searching existing memory bank

32
Q

what type of moleucle is used for intermeida long term memory

A

ca

33
Q

how is ca effected in long term memories

A

increse ca into presymaptic termis, increas neruotramsion relase

34
Q

what are the stucual changes in long term memories

A

increases neural transimon reals on presymatic membarne
incras number of nerual trannon vessical stored and released
increase number of presynaptic termials

35
Q

what is the effect on long term member on the graded member postinal

A

incrase its amplitude

36
Q

what is long term potential

A

stenging of synape as reuslt of incras in ampltie in graded membrane potentl

37
Q

what are teh 2 types of long term memory

A

desclaritive or expliciti memory
proceduar/ reflextive/ implicit memory

38
Q

what is declarative or explicit memory

A

memory for events and wors and rules

39
Q

what stucure is controller for declartive memory

A

hippocampus

40
Q

what is proceudla memory

A

motor memeor, through repeptation e..g plyaing a sport

41
Q

what stucure is procedual memory associated with

A

cerebellum

42
Q

what is consolidaton

A

short term meory turning into long termm memory

43
Q

what are the stuucres of the frontal cortexs papez cirucit

A

hippocampus, mamillary bodies, anterior thalamus, cingulate gyrus

44
Q

funcito of papez cirucit

A

reverberating activy that conties tohought

45
Q

role of frontal cortex

A

acess wiethe ra memor is signicat in term of lyamtic syetm

46
Q

how to decide if a memory is still signifaicat

A

it is decied by forna ore, and rewriitn int papelx ciruicts

CNS (36 decks)

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