PSYB65H3 Lecture Notes - Lecture 11: Receptive Aphasia, Anomic Aphasia, Temporal Lobe
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Three basic ways to look at language: language has to enter the brain, computational part inside the brain, output mechanism for language. => each one is dealt with by a different part of the brain. => pure word deafness: problems in relating incoming sounds into representations which allow the understanding of discourse. => breaking apart sounds into something that sounds like language. => problems making language sense out of sounds can hear sounds but cant distinguish language. Info comes from the ear and goes to the part of the temporal lobe where language is input. => pure word deafness results in stroke near receptive area for audition dorsal portion of temporal lobe. Normal ability to read (language going in through visual system language can still be decoded), write and speak, cannot repeat what is said, cannot obey commands: computational/integrative problems: Wernicke"s aphasia: problems in selecting and arranging meaningful units and their eventual conversion into comprehensible coherent speech (jargon aphasia)