aphasia

Seven years ago I returned to Michigan, where I was born and spent the first quarter century of my life, after an absence of more than 20 years. In the interim, I had done my surgical residency and earned my PhD in Cleveland, a surgical oncology fellowship in Chicago, and worked in New Jersey at my first academic job for eight and a half years. Then I was lured back with a job in Detroit. One of the odd things about this return after such a long absence was the culture shock, how much I had forgotten about the Detroit area. One of those things that I had forgotten is just how crazy about…
IN the 1860s, the French physician Paul Broca treated two patients who had lost the ability to speak after suffering strokes. When they died, he examined their brains, and noticed that both had damage to the same region of the left frontal lobe. About a decade later, neuropsychiatrist Carl Wernicke described a stroke patient who was unable to understand written words or what was said to him, and later found in this patient's brain a lesion towards the back of the left temporal lobe.  Thus was established the classical neurological model, in which language is localized to two specific areas…