PSYO 2470 Lecture Notes - Lecture 14: Striatum, Disconnection, Planum Temporale
2 May 2017
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Document Summary
When relying on using people with brain damage as study subject, relying on difficulty pinpointing areas: usually damage spreads beyond one single specific brain area. People with aphasias very few have trouble using muscles for eating, but have trouble with speech: trouble in brain to produce words rather than muscular problem, aphasias language impairment. Wada procedure: procedure takes advantage of the two separate hemispheres of the brain, gabaergic drug injected inhibitory (gaba agonist) Injected into corroded artery get reduced firing in one whole hemisphere of the brain. Inhibitory tone in one side of the hemisphere see how it effects speech: used to look at roles of hemispheres in language. If inactivate left hemisphere temporarily, people show an inability to speak. Some people, though few, had right dominance more left handed people saw right dominance than right handed people. Larger in left frontal lobe than right frontal lobe: close to motor areas.
