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Brain Lang. 2006 Apr;97(1):1-11. Epub 2005 Aug 11.

Lexical competition effects in aphasia: deactivation of lexical candidates in spoken word processing.

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Utrecht Institute of Linguistics OTS, Utrecht University, The Netherlands.


Research has shown that Broca's and Wernicke's aphasic patients show different impairments in auditory lexical processing. The results of an experiment with form-overlapping primes showed an inhibitory effect of form-overlap for control adults and a weak inhibition trend for Broca's aphasic patients, but a facilitatory effect of form-overlap was found for Wernicke's aphasic participants. This suggests that Wernicke's aphasic patients are mainly impaired in suppression of once-activated word candidates and selection of one winning candidate, which may be related to their problems in auditory language comprehension.

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