Slide 1 Cerebral Lateralization (Asymmetry) of FunctionPhantoms: Ch 7Silent Land: Seahorse & AlmondCase study MS: 25 year-old epileptic & mother of 2. Her seizures were well controlled w/ meds until after the birth of her 2ndchild, after which she suffered uncontrolled seizures at least 1/month. Scans revealed that she had a long-standing cyst in her left temporal lobe. She decided to have it surgically removed in hopes of eliminating the seizures. All seemed to have gone well, with seizures cured, until she developed an antibiotic-resistant infection. Within a few days, she suffered extensive damage to her left hemisphere. She was left with global aphasia –the inability to either produce or understand language. For weeks, the only words she could say were “I love you.” Despite her severe language problems, she was able to understand & appreciate music. She could sing songs she knew prior to her surgery, and while her ability to learn the words to new songs was impaired, she could learn new tunes & hum along. Thus illustrates the dissociation of hemispheric function: her language was severely impaired but she retained her musical skills.
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