PSYC 410 Chapter Notes - Chapter 1: Writer'S Cramp, Fusiform Face Area, Inferior Temporal Gyrus
3 May 2016
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Document Summary
More space allocated to fingers used to play instrument: blind. Visual cortex can be used to process info on touch, audition, lang: experience-driven cortical plasticity seems to occur throughout life, even short amounts of practice affect body representation in motor homunculus. Training of limb movements preference in motor cortex given to exercised limbs. Motor cortex reorganization can be triggered even by short amounts of practice, or by artificially stimulating a muscle. Activity in primary motor cortex necessary for early consolidation of motor skills. Low-freq repetitive tms (rtms) disrupts neural processing. Inhibits retention of a newly learned motor skill: reorganization in somatosensory cortex. Can occur as result of somatic stimulation esp during learning tasks. Fingers deprived of stimulation dec in area of sensory cortex devoted to unused fingers. Musicians cortex devoted to fingers used to play instrument enlarged. Blind braille readers more rep for reading fingers (vs. sighted and blind non-braille readers)
