Larger lesions involving the primary and secondary

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Unformatted text preview: e te c t a n y in c r e a s e in m u s c le to n e in h is le ft le g . E x p la in w h y it is th a t m o s t p a tie n ts w ith d a m a g e to th e m o to r a r e a o f th e c e r e b r a l c o r te x h a v e s p a s tic m u s c le p a r a ly s is w h ile in a fe w th e m u s c le to n e r e m a in s n o r m a l A small discrete lesion of the primary motor cortex results in little change in muscle tone. Larger lesions involving the primary and secondary motor areas, which are the most common, result in muscle spasm Quiz on Thalamus & Cortex W h a t is u n d e r s to o d b y th e fo llo w in g te r m s : ( a ) c o m a , ( b ) s le e p , a n d ( c ) e le c tr o e n c e p h a lo g r a m ? N a m e th r e e n e u r o lo g ic a l c o n d itio n s in w h ic h th e d ia g n o s is m a y b e a s s is te d b y th e u s e o f a n e le c tr o e n c e p h a lo g r a m (a) Coma is the term applied to an unconscious patient, The patient will not speak and will respond only reflexively to painful stimuli. In deeply comatose individuals, there will be no response. The eyes are closed and do not move. (b) Sleep is a changed state of consciousness. (c) An electroencephalogram (EEG) is a recording of the electrical activity of the cerebral cortex made by placing electrodes on the scalp. Detection of abnormalities of the alpha, bet...
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This note was uploaded on 08/24/2011 for the course NEUROSCIEN Neuroanato taught by Professor Skeen during the Fall '09 term at University of Delaware.

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