Question by taylar: What cortical region has been damaged by the stroke?
An elderly gentalmen has just suffered a stroke. He is able to understand verbal and written language, but when he tries to respond, his words are garbled.
Answer by matador 89
Hello, again Taylar, more test/exam questions? Dear, Oh dear, there must be a lack of text books in your locality! The brain is divided into two sides, or hemispheres, each controlling the opposite side of the body and different areas of activity. The left hemisphere controls cognition (thinking) and language, plus movement and sensation on the right side of the body. The right hemisphere controls functions involved in more visual-spatial skills, such as the ability to judge distances, size, form and where things are in space (which may affect skills such as map reading, for example), as well as movement and sensation on the left side of the body. Speech or language difficulties, including difficulties in understanding, speaking (dysphasia, aphasia), reading, writing and calculation, usually indicate damage to the left hemisphere of the brain.
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