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What is Lesion in Wernicke's area results in: and explain in detail?
The two areas concerned with language and speech are: (i) Wernicke's area (the sensory area for speech) in the superior temporal lobe and (ii) Broca's area (the motor area for speech) in the inferior frontal lobe. Wernicke's area: After understanding and comprehension of the word, the impulses are sent, arcuate fasciculus, to the Broca's area. Lesion: Speech production is normal (since motor area that finally produces actual words is not damaged). However, patients talk excessively; what they say is full of jargon and neologisms that make little sense. Patient fails to comprehend the meaning of spoken or written words. This is called fluent aphasia.