Cortical vs. subcortical loops. Lateral inhibition in striatum.
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Transcript of Cortical vs. subcortical loops. Lateral inhibition in striatum.
![Page 1: Cortical vs. subcortical loops. Lateral inhibition in striatum.](https://reader035.fdocuments.us/reader035/viewer/2022062717/56649e5d5503460f94b56352/html5/thumbnails/1.jpg)
Cortical vs. subcortical loops
![Page 2: Cortical vs. subcortical loops. Lateral inhibition in striatum.](https://reader035.fdocuments.us/reader035/viewer/2022062717/56649e5d5503460f94b56352/html5/thumbnails/2.jpg)
Lateral inhibition in striatum
![Page 3: Cortical vs. subcortical loops. Lateral inhibition in striatum.](https://reader035.fdocuments.us/reader035/viewer/2022062717/56649e5d5503460f94b56352/html5/thumbnails/3.jpg)
Switching from one action to another
![Page 4: Cortical vs. subcortical loops. Lateral inhibition in striatum.](https://reader035.fdocuments.us/reader035/viewer/2022062717/56649e5d5503460f94b56352/html5/thumbnails/4.jpg)
Direct and indirect pathways
![Page 5: Cortical vs. subcortical loops. Lateral inhibition in striatum.](https://reader035.fdocuments.us/reader035/viewer/2022062717/56649e5d5503460f94b56352/html5/thumbnails/5.jpg)
Hyperdirect pathway
![Page 6: Cortical vs. subcortical loops. Lateral inhibition in striatum.](https://reader035.fdocuments.us/reader035/viewer/2022062717/56649e5d5503460f94b56352/html5/thumbnails/6.jpg)
Lesions that cause hemiballism
![Page 7: Cortical vs. subcortical loops. Lateral inhibition in striatum.](https://reader035.fdocuments.us/reader035/viewer/2022062717/56649e5d5503460f94b56352/html5/thumbnails/7.jpg)
Direct pathway
![Page 8: Cortical vs. subcortical loops. Lateral inhibition in striatum.](https://reader035.fdocuments.us/reader035/viewer/2022062717/56649e5d5503460f94b56352/html5/thumbnails/8.jpg)
Indirect pathways
![Page 9: Cortical vs. subcortical loops. Lateral inhibition in striatum.](https://reader035.fdocuments.us/reader035/viewer/2022062717/56649e5d5503460f94b56352/html5/thumbnails/9.jpg)
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