T h e o r g a n iz a tio n o f th e d e p a r tm e n

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Unformatted text preview: o l. It q u ic k ly b e c a m e o b v io u s to th e fa c u lty a n d th e s tu d e n t b o d y th a t th e p r o f e s s o r 's s o c i a l b e h a v i o r h a d c h a n g e d d r a m a t i c a l l y . H i s l e c t u r e s , a l t h o u g h a m u s i n g , n o lo n g e r h a d d ir e c tio n . A lth o u g h p r e v io u s ly a s m a r tly d r e s s e d m a n , h e n o w h a d a n u n k e m p t a p p e a r a n c e . T h e o r g a n iz a tio n o f th e d e p a r tm e n t s ta r te d to d e te r io r a te r a p id ly . F in a lly , h e w a s r e m o v e d fr o m o ffic e a fte r b e in g fo u n d o n e m o r n in g u r in a tin g in to th e tr a s h b a s k e t in o n e o f th e c la s s r o o m s . U s e y o u r k n o w le d g e o f n e u r o a n a to m y t o e x p la in t h e p r o f e s s o r 's a l t e r e d b e h a v i o r . The professor's altered behavior was due to a severe lesion involving both frontal lobes of the cerebrum secondary to the depressed fracture of the frontal bone. While destruction of the prefrontal cortex does not cause a marked loss of intelligence, it does result in the individual losing initiative and drive, and often the patient no longer conforms to the accepted modes of social behavior Somatic Sensory Testing • • • • • • • 67 Romberg Test 70 Pin Prickmpg 72 Vibration Sense 73 Joint Position Sense 74 Two Point Discrimination 75 Graphesthesia 76 Stereognosis 15 Somatosensory Pathways • Case studies • • • • • • • Case 7.1: Sudden onset arm numbness Case 7.2: Sudden onset face, arm, leg numbness Case 7.3: Fall > Umbical Paraplegia with Anesthesia Case 7.4: L LE weakness with R LE numbness Case 7.5: Sensory loss both shoulders Case 7.6: Unsteady gait with body tingling Case 7.7: Weak hand, bilateral pinprick loss, urinary retention 16...
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