01:830:310 Lecture Notes - Lecture 21: Frontal Eye Fields, Primary Motor Cortex, Frontal Lobe
12 Feb 2018
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Document Summary
Coordination: what aspects of movement do the basal ganglia moderate? learning motor skills. Corticobulbar tracts: paths from the cerebral cortex to the pons and medulla to control facial movements. Lateral cst: controls movement in peripheral areas (hands and feet) Medial cst: control muscles of neck, shoulders, and truck (enables walking, turning, bending, standing up, and sitting down) Cortical motor disorders: involuntary movements; cortex related: huntington"s disease. Visual search test: locate matching copy of target stimulus. Corollary discharge relates to stability of the world as the individual moves. Agrammatism: difficulty in comprehending or using grammatical devices inability to speak in grammatically correct fashion form of aphasia. Uncoordinated voluntary movements: decomposition of movement, difficulty with alternating movements intention tremor. Decomposition of movement: the lack of coordination between joint actions. Parkinson"s disease: a disorder of the brain that leads to shaking (tremors) and difficulty with walking, movement, and coordination. 1% of the population older than 60 years.
