A young teenager who suffered a stroke at 18 now has Broca’s aphasia. Though she knows exactly what she wants to say, she often has a hard time forming the sentences to communicate. Broca’s area is found in the lower portion of the frontal lobe on the dominant side of the brain. For 90% of right-handed individuals, Broca’s area is in the left cerebral hemisphere.
This is actually a mild case, but illustrates the extreme complexity of the brain. For those interested there is a book by neurologist Oliver Sacks called The Man Who Mistook His Wife for a Hat. It is full of case studies showcasing rare anomalies in brain physiology, such as that above. I became incredibly sad watching this video; we are all so very lucky to be fully functioning individuals. How often do you take things like speech and reading for granted?
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