The Nature and Time Course of Pragmatic Plausibility Effects |
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Authors: | Wayne S Murray |
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Institution: | (1) Department of Psychology, University of Dundee, Dundee, DD1 4HN, Scotland, UK |
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Abstract: | The experiments reported in this article used a delayed same/different sentence matching task with concurrent measurement of eye movements to investigate the nature of the plausibility effect. The results clearly show that plausibility effects are not due to low level lexical associative processes, but arise as a consequence of the processing of the earliest or most basic form of sentential meaning. In fact, when sentential implausibility and lexical association are varied simultaneously, it is only sentential implausibility that exerts an effect. Effects of implausibility occur rapidly—sometimes parafoveally—and are localised in the regions of the sentence where the implausibility occurs, suggesting an incremental interpretive process progressing on a roughly word-by-word basis. It is suggested that plausibility effects result from the operation of a heuristically-driven process of sentential interpretation. This appears to behave in a ‘modular’ fashion, despite being influenced by real world knowledge and probabilities.Particular thanks are due to Ken Forster for kindling the ideas which led to much of this work and to Merrill Garrett for posing impossible challenges, which, probably to everyone’s surprise, could in fact be met. I am also much indebted to Claire Boissiere, Emma Clayes, Clare Dobbin, Alan Kennedy, Julie-Ann Marshall, Ashley Murray, and Murray Rowan for their collaboration in this research. |
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Keywords: | Plausibility Sentence Matching Eye Movements Parafoveal processing Modularity |
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