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New Evidence on Speech Recognition Areas and their Functions - page 7 / 49

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Evidence for left pSTP involvement in speech production

Erratic speech of Wernicke’s aphasics

Conduction aphasia from damage to left pSTP

Intraoperative stimulation of left pSTP

“distortion and repetition of words and syllables” (Penfield & Roberts 1959)

N.B.: As in Wernicke’s aphasia

MSI study shows activity in left pSTG just before speech production (picture naming) (Levelt et al. 1998)

fMRI study: similar results – no RH activity shown (Hickok et al. 1999)

(Hickok 2000: 93-4)

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