MCELLBI C61 Lecture 19: Brain lateralization
3 Jul 2015
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Lecture 19 hemispheric asymmetry face perception more common in right hemisphere (left visual eld) The woman chose right visual eld (her left in the mirror) prosopagnosia: more common with lesion in rh language: aphasia (language disorder) right-handers mostly (97%) in lh less left-handers (70%) in lh. Broca"s aphasia, production aphasia cannot read and write coherently (apraxia) Broca"s area: left frontal lobe also in listening to language with meaning (native language) mirror-neuron quality left posterior temporal/parietal lobe inject barbiturate sedative-hypnotic into carotid arteries (carry blood to the head) Wada test (cerebral lateralization of language), mostly done prior to surgeries, especially epilepsy immediate e ect on the hemisphere patients started counting. Roger sperry, split-brain patients subjects can say what they saw in the right visual eld (language production in lh) but they can still recognize and pick out what they saw in left visual eld. Rh can respond, even though it cannot speak; lh is used to justi ed behavior generated by.
