Ganglions De La Base Flashcards

1
Q

Qu’est ce que le paléostriatum ?

A

Globus pallidus interne + globus pallidus externe

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2
Q

Quels types de neurones contient la partie compacte du locus Niger

A

Neurones dopaminergiques

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3
Q

Quels types de neurones contient la partie réticulaire du locus Niger?

A

Des neurones gabaergiques

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4
Q

Il existe deux populations de neurones contenues dans le néostriatum

A

Neurones de projections épineux (GABA) et interneurones non épineux (gds cholinergiques, petits GABA)

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5
Q

Étiologie de la maladie de Parkinson

A

Lésion du locus Niger

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6
Q

Étiologie du ballisme

A

Lésion du noyau sous thalamique

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7
Q

Étiologie de chorée

A

Lésion du néostriatum: noyau caudé

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8
Q

Qu’est ce que le corps strié?

A

Paléostriatum + néostriatum

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9
Q

Composants du néo-striatum ventral

A

Nucleus accumbens septi, hippocampe, GPH, amygdale, couches profondes du tubercule olfactif

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10
Q

Efférences du GPi empruntent 3 voies, lesquelles?

A

Faisceau lenticulaire, l’anse lenticulaire et leur réunion forme le faisceau thalamique

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11
Q

Circuit des informations motrices

A

4, 6, AMS, 3, 1, 2, 5 -> NGC -> Vla -> AMS

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12
Q

Circuit des informations concernant l’occulomotricité

A

8, 9, 10, 7 -> NGC -> DM -> 8

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13
Q

Aires associatives préfrontales dorsolatérales

A

9, 10 -> NGC -> Vapc -> 9

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14
Q

Circuit du système limbique

A

Cingulaire, hippocampe, GPH -> striatum ventral -> Gpi -> tegmentum mésencéphalique -> DM -> cingulaire

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15
Q

Circuits du système limbique

A

Cingulaire, hippocampe, GPH (entorhinal, périrhinal) -> striatum ventral -> GPi -> tegmentum mésencéphalique -> DM -> cingulaire

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