PSY318H5 Lecture 3: Lecture 3
Document Summary
Broca (1824-1880), french physician, credited with identifying neural substrate of expressive language in he worked at paris hospital and he had a lot of different patients that had language impairment --> aphasia- difficulty with language expression. His first patient presenting with an acquired non-fluent aphasia was leborgne, an adult with epilepsy since childhood o the seizures eventually led to his loss of language. In his final years, leborgne could only curse and utter the pseudo-word, tan over and over; leborgne is/was affectionately referred to as tan . Post-mortem study revealed a cystic lesion, occupying the second and third convolutions of the posterior inferior frontal of the left hemisphere (ifg is the broca"s area) gyrus (ifg) In 1874, karl wernicke differed from the aphasia documented by broca (1848-1905) published a description of language disturbance that qualitatively. Wernicke"s patients could speak fluidly (fluent aphasia) o o. Patients could not follow verbal commands seem to be totally different language impairment from broca"s.
