Basal ganglia 101

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Quyen's Basal Ganglia 101

Basal Ganglia 101 Journal Club September 9, 2010

Anatomy

Bird’s eye view

Basal Ganglia Components ,[object Object],[object Object],[object Object],[object Object],[object Object]

Caudate nucleus and Putamen ,[object Object],[object Object],[object Object],[object Object]

Globus Pallidus interna (GPi) and Substantia nigra pars reticulata (SNr) ,[object Object],[object Object],[object Object],[object Object]

Globus Pallidus externa (GPe) and Substantia nigra pars compacta (SNc) ,[object Object],[object Object],[object Object]

Subthalamic Nucleus ,[object Object],[object Object],[object Object],[object Object]

Peduncular nucleus (PPN) ,[object Object],[object Object]

Circuitry ,[object Object],[object Object],[object Object],[object Object]

Direct Pathway ,[object Object],[object Object],[object Object],[object Object]

Indirect Pathway ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Reality?

Parallel Loops

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Basal ganglia 101

1. Basal Ganglia 101 Journal Club September 9, 2010

3. Bird’s eye view

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17. Parallel Loops

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Notes de l'éditeur

Deep nuclear structures in the brain. Initially thought to be involved only with motor control but it is now known that they are involved a many other cognitive and behavioral pathways.
Globus pallidus and putamen are also called the lenticular nucleus
Similar in histology and connectivity
Two parallel loops from the cortex through the basal ganglia to the thalamus and back to the cortex