Multiple meanings are not necessarily a disadvantage in semantic processing: Evidence from homophone effects in semantic categorisation
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The ambiguity disadvantage (slower processing of ambiguous words relative to unambiguous words) has been taken as evidence for a distributed semantic representational system like that embodied in parallel distributed processing (PDP) models. In this study, the authors investigated whether semantic ambiguity slows meaning activation, as PDP models would predict, by examining homophone effects in semantic categorisation tasks. The authors observed a homophone effect in a go/no-go semantic categorization task, but not in a yes/no semantic categorization task. Their results suggest that previously reported ambiguity effects may have been due to the decision phase of the semantic categorization task and not to the semantic processing phase, in which case the interpretation of the ambiguity disadvantage will need to be reconsidered.; The ambiguity disadvantage (slower processing of ambiguous words relative to unambiguous words) has been taken as evidence for a distributed semantic representational system like that embodied in parallel distributed processing (PDP) models. In the present study, we investigated whether semantic ambiguity slows meaning activation, as PDP models would predict, by examining homophone effects in semantic categorisation tasks. We observed a homophone effect in a go/no-go semantic categorisation task, but not in a yes/no semantic categorisation task. Our results suggest that previously reported ambiguity effects may have been due to the decision phase of the semantic categorisation task and not to the semantic processing phase, in which case the interpretation of the ambiguity disadvantage will need to be reconsidered. |
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Author (aut): Pexman, Penny M.
Author (aut): Siakaluk, Paul D.
Author (aut): Owen, William J.
Author (aut): Sears, Christopher R.
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10.1080/01690960600834756
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Volume 22, Issue 3
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issn: 0169-0965
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