{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Review basal ganglia clinically includes subthalamic

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: cortex •  Brainstem motor nuclei (ventromedial pathways) –  CorMcal ­basal ganglia loop •  Frontal, parietal, temporal cortex send axons to caudate/putamen •  Caudate/putamen projects to the globus pallidus •  Globus pallidus projects back to motor cortex via thalamic nuclei Anatomy review: Basal ganglia Clinically includes subthalamic nucleus & substanMa nigra These structures are highly interconnected anatomically. [email protected]@[email protected]#%$#%$ •  Main components of the basal ganglia are the striatum composed of caudate and putamen •  Globus pallidus or pallidum composed of –  globus pallidus externa (GPe) –  globus pallidus interna (GPi) •  SubstanMa nigra composed of –  substanMa nigra pars compacta (SNc) –  substanMa nigra pars reMculata (SNr), •  The subthalamic nucleus (STN) Anatomy review: Basal ganglia Input: striatum { Output: globus pallidus & substanMa nigra Motor “Homunculus” •  Different regions of cortex appear to be the central player in organizing the muscle group(s) for different tasks Parkinson’s Disease •  Some Videos: •  hcp://www.youtube.com/watch? v=qxDmP8c4QUI •  hcp://www.youtube.com/watch? v=8g9vYBPTCN4&feature=related What did you observe while watching these clips? •  Can we make any generalizaMons about the types of movement we saw? Parkinson’s: trouble iniMaMng...
View Full Document

{[ snackBarMessage ]}