Ganglios basales Flashcards

1
Q

estriado recibe aferencias de:

A

-corteza cerebral (origen principal)
-estructuras subcorticales
+sustancia negra
+talamo
+nucleo del rafe
+locus coereleus
+segmento ext del globo palido

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2
Q

el estriado se proyecta a los nucleos eferentes (globo palido int y sustancia negra reticulada) a través de 2 vías

A

directa e indirecta

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3
Q

estructura receptiva principal

A

estriado

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4
Q

estructura eferente de los ganglios basales

A

globo palido

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5
Q

lesiones del nucleo subtalamico causan

A

balismo

*la estimulación alivia los síntomas de parkinsonismo

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6
Q

las conexiones corticoestriadotalamocorticales están organizadas en

A

-5 asas paralelas
-segregadas o 3 circuitos divididos o ambas diviones

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7
Q

accion de los ganglios basales

A

-control motor incluye la preparación para el movimiento iniciado de forma cortical
-ejecucion

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8
Q

los ganglios basales tienen acciones en la fx

A

-cognoscitiva
-emocion
-motivacion

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9
Q

riego

A

-ramas lenticuloestriadas: cerebral media y anterior

-rama coroidea ant: carotid int

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