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Neuro U4 > Basal Ganglion > Flashcards

Basal Ganglion Flashcards

1
Q

Hyperdirect pathway

A

enables cortex to directly innervate (excite) the sub thalamic nuc
STN– 2 ways of being excited- hyper direct/indirect
increases brake

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2
Q

Striosomal path

A

TAN (ach) interneuons
spiny neurons
habit learning– tonically active dopa neurons

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3
Q

Hyperkinetic disorders

A

kills indirect pathway- d2 and stn
no brake
lots of movement

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4
Q

Hypokinetic disorders

A

loss of d1 and d2

excessive braking

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Neuro U4 (19 decks)

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