Download - Cortical vs. subcortical loops
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Cortical vs. subcortical loops
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Lateral inhibition in striatum
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Switching from one action to another
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Direct and indirect pathways
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Hyperdirect pathway
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Lesions that cause hemiballism
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Direct pathway
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Indirect pathways
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Loops through the basal ganglia
Circuit name Basal ganglia regions:
Connected with: Functions to control:
Skeletomotor Putamen; GPi, and SNpr
VL/VA; motor cortex, prefrontal cortex
Actions
Oculomotor Body of the caudate, SNpr
Intralaminar nuclei, MD, VA; frontal and parietal eye fields; superior colliculus
Gaze and orienting movements
Dorsolateral prefrontal
Head of the caudate, GPi and SNpr
VA, VL and MD; Executive function, strategic planning
Orbitofrontal Caudate, SNpr, ventral pallidum
MD; orbitofrontal cortex Motivation, ability to play well with others
Anterior cingulate aka limbic
Ventral striatum,ventral pallidum
MD; anterior cingulum Emotionality, motivated behavior