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Semantic richness effects in lexical decision: The role of feedback.

Across lexical processing tasks, it is well established that words with richer semantic representations are recognized faster. This suggests that the lexical system has access to meaning before a word is fully identified, and is consistent with a theoretical framework based on interactive and cascad...

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Published in:Memory & Cognition Vol. 43; no. 8; pp. 1148 - 1168
Main Authors: Yap, Melvin, Lim, Gail, Pexman, Penny
Format: Article
Published: Springer Nature Nov2015
Online Access:View this record in EBSCOhost
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      dt: Nov2015
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      pub: Springer Nature
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        10.3758/s13421-015-0536-0
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        atl: Semantic richness effects in lexical decision: The role of feedback.
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          Yap, Melvin
          Lim, Gail
          Pexman, Penny
        affil:
          Department of Psychology, Faculty of Arts and Social Sciences, National University of Singapore, Block AS4, #02-07, 9 Arts Link Singapore 117570 Singapore
          Department of Psychology, University of Calgary, Calgary Canada
      keyword:
        Lexical decision
        RT distributional analyses
        Semantic feedback
        Semantic richness
        Stimulus quality
        Visual word recognition
        Lexical decision
        RT distributional analyses
        Semantic feedback
        Semantic richness
        Stimulus quality
        Visual word recognition
      ab: Across lexical processing tasks, it is well established that words with richer semantic representations are recognized faster. This suggests that the lexical system has access to meaning before a word is fully identified, and is consistent with a theoretical framework based on interactive and cascaded processing. Specifically, semantic richness effects are argued to be produced by feedback from semantic representations to lower-level representations. The present study explores the extent to which richness effects are mediated by feedback from lexical- to letter-level representations. In two lexical decision experiments, we examined the joint effects of stimulus quality and four semantic richness dimensions (imageability, number of features, semantic neighborhood density, semantic diversity). With the exception of semantic diversity, robust additive effects of stimulus quality and richness were observed for the targeted dimensions. Our results suggest that semantic feedback does not typically reach earlier levels of representation in lexical decision, and further reinforces the idea that task context modulates the processing dynamics of early word recognition processes.
      pubtype: Academic Journal
      doctype: Article
      src: R
    language: English
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