hippocampus Flashcards

1
Q

choose which are the last abilities to mature in humans are:
- vocabulary
- processing speed
- long-term memory
- working memory

A

working memory and processing speed

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2
Q

which fucntion doesnt decline with the aging of hyppocampus
- vocabulary
- processing speed
- long-term memory
- working memory

A

vocabulary

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3
Q

how does the hippocampus age?
- get smaller
- retains same number of neurons
- retrieval gets weaker
- LPT doesnt last as long and isn’t strong as before

A
  • retrieval gets weaker
  • LPT doesnt last as long and isn’t strong as before
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4
Q

cerebrospanial fluit is produced by…
- pyramidal cells
- pericytes
- ependymal cells
- granule cells
- neurons
- endothelial cells
- basket cells
- granule cells

A

ependymal cells

line ventricles of the brain and the central canal of the spinal cord

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5
Q

define alzehimers

A

lost of neurons in various brain regions

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6
Q

first region affected by alzehimer’s is…
- frontal cortex
- cerebellum
- hippocamous
- temporal ortex
- parietal cortex
- limbic system
- amigdala
- striatum

A

hippocamus

ccerebral cortex degentation comes after hippocampus

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7
Q

choose the symptoms of alzeheimer disease:
- see patterns in things
- memory loss
- can’t process and perceive stimuli
- can’t construct their own form of language
- loss spontaneity
- speech problem
- trouble handling money
- poor judgment
- can’t create new memories
- loossing/misplacing things
- problems with response inhibition
- amnesia
- getting lost

A
  • memory loss
  • loss spontaneity
  • trouble handling money
  • poor judgement
  • loosing/misplacing things
  • getting loss
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8
Q

in alzehimer’s patients ventricles are enlarge because…

A

cerebrospinal fluid has taken up the space of the tissue cortex

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9
Q

which two drugs are use to treat alzehimer’s disease:
endomorphins
memantine (Ebixa)
methylphenidate
SSRI
fluoxetine
acetylcholinesterase inhibitors

A

memantine and acetycholinesterase inhibitors

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10
Q

which cells are the first lost in alzheimer:
- motor neurons
- basket cells
- stellate cells
- acetylcholinergic neurons
- bipolar cells
- interneurons
- glutamatergic neurons
- pyramidal neurons

A

acetylcholinergic neurons

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11
Q

function of acetylacholineric neurons:
- transmit sensory informations
- reegulate basal ganglia
- regulate the hippocampus
- encode a field place
- learn about reward

A

regulate the hippocampus

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12
Q

how does memantine and acetylcholinerase inhibitors work?

A
  • memantine block NMDA (glutamate) receptors and slows diwn the exitotoxicity
  • acetylcholinesterase inhibitors block the breakdown of acetylcholine, mitigating its lost
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13
Q

brain cholinergic ssytem is composed of…
- striatum and hippocamous
- basal forebrain and brainsteam tegmentum
- amygdala, hypothalamus, fornix and thalamus
- mammalial bodies, hippocampus, cingulate gyrus and orbitofrontal cortex

A

basal forebrain and brainsteam tegmentum

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14
Q

neuromodulatory functions of brain cholineric system are

A

memory, cognition, and arousal

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15
Q

nucleus basalis of MEynert is the last thing to die in Alzheimer disease: true or false

A

false

nucleus basalis of Meynert is the firsrt region to die in Alzheimer dise

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16
Q

what’s terminal lucidity

A

significant return of some memories