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キーワード:
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要旨:
Recently many authors have stressed that domain-general cognitive processes
may affect performance in linguistic tasks. This challenges the traditional view that
speaking and listening are fairly modular processes. Going beyond this broad claim, we
aim to determine exactly how domain-general processes influence linguistic processes. In
the present study we examined the influence of selective inhibition (invoked to suppress
responses to potent competitors to target stimuli and taking some time to build up) on
performance in two classic word production tasks, the semantic blocking task (naming
sets of objects that do vs. do not belong to the same semantic category) and the pictureword
interference task (naming pictures accompanied by categorically related vs.
unrelated words). Both tasks were completed by the same participants. Analyses of the
size of the interference effects for fast and slower responses (using delta plots) and of the
correlations of the effect sizes in the two tasks demonstrated that selective inhibition was
recruited in both tasks. We propose that the process supported by selective inhibition is
lemma selection. We discuss the implications for theories concerning the origin of the
interference effects in the two paradigms and the nature of lexical selection processes.
