PSY493H1 Study Guide - Final Guide: Trebbin, Roger Wolcott Sperry, Disconnection
Document Summary
Right hemisphere slightly larger and heavier than the left, but the left contains more gray matter: right frontal pole extends further forward (anterior) and is wider than the left. Left occipital pole extends further backward (posterior) and is wider than the right: planum temporale larger in the left than in right up to (up to 10 x larger!) Wada test (sodium amobarbital: after onset of anesthetic you can assess differential computational abilities. Commisurotomy: after several corpus callosum you can analyze brain function. Divided visual field (tachisioscopic presentation: rvf lh, lvf rh, very brief presentation to one visual field (<200ms) prevents, measure by differences in reaction time for visual task. Roger sperry (1981) and gazzaniga split brain procedure and language. I don"t know. however, when encouraged to draw the item with their left hand, they were able to draw a saddle subsequent to being shown a horse.
