PSY BEH 11A Lecture Notes - Lecture 15: Aphasia, Anterograde Amnesia, Episodic Memory
2 Nov 2016
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Document Summary
Brain function transection of the corpus callosum is sometimes used as a treatment for severe. When the corpus callosum is cut, the left hemisphere only sees the. Rvf and the right hemisphere only sees the lvf. Aphasia: disorders of language: damage to broca"s area results in nonfluent aphasia, a deficiency in speech production abilities, damage to wernicke"s area results in fluent aphasia, an inability to comprehend speech. Cortical functions: results from an fmri study support geshwind"s model of text-to-speech conversion, fmri images show different areas of activation when the subject performs tasks that are subcomponents of text-to-speech conversion. Agnosia: perceptual and attention disorders resulting from brain injury trauma, stroke, tumor. Hemispheric neglect: usually associated with a stroke or lesion on the right parietal lobe, which results in a neglect or lack of attention to the left side of space. A neurological disorder, thought to damage the associative retrieval system (prefrontal areas: retrograde amnesia.
