Abilities sensory plasticity touch represented

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Unformatted text preview: “narrative consciousness” – Right hemisphere: visuospatial abilities Sensory Plasticity -touch represented Somatotopically Jenkins, Merzenich et al. (1990) J Neurophysiol. 8 Neural plasticity in monkey cortex Phantom limbs Ramachandran & Hirstein (1998): Patient VQ Phantom limbs – Perceived sensation from a physically amputated limb of the body – (in 100% of amputees acutely; persists in ~30%) – Brain representation of missing body part still present; mismatch between body and mind – Often painful. 9 Reorganization of referred sensation over time First testing sessions 6 months later Of 18 patients: map of face in 8 map on upper arm in 12 Ramachandran & Hirstein (1998): Patient DS The Sensory Homunculus Take-home messages - Cognitive functions can be localized in the brain. - The two hemispheres support somewhat different functions. - Experience and learning results in brain plasticity – causing the brain to change (and grow?) in ways we are just starting to understand. Don’t miss this super Pop!Tech popcast about the use of neuroimaging to diagnose disorders of consciousness (Ontario’s very own Dr Adrian Owen): • http://poptech.org/popcasts/adrian_owen_search_for_consciousness 10...
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This note was uploaded on 02/06/2014 for the course PSYC 100 taught by Professor All during the Fall '08 term at Queens University.

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