CDIS 4213 Lecture Notes - Lecture 18: Special Visceral Efferent Fibers, Special Visceral Afferent Fibers, Afferent Nerve Fiber
14 Nov 2016
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Document Summary
Motor and sensory cortex: (omunculus (cid:523)(cid:498)little man(cid:499)(cid:524)-schematic technique to represent motor and sensory cortical representation. Size of the body area and degree of cortical representation do not necessarily match up. E. g. , hands and tongue have more cortical representation/nerve supply than elbow or trunk. Left hemisphere functions: speech production, analytical processing, sequential processing, production of syllables in speech, perception of syllables in speech. Right hemisphere functions: processing of meaning, synthesis of verbal and nonverbal information, making inferences, perception of intonation and other acoustic properties, pragmatic and emotional language. Rh: broca"s, wernicke"s, arcuate fasciculus only recently has it become apparent how important this is, right hemisphere syndrome damage or lesions on the rh. Symptoms: decreased processing in pragmatic language, trouble reading facial expressions (emotional), more monotone because they don"t have a big rise and fall, and left neglect (no perception to the left field of vision).
