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Title: An abundance of riches: Cross-task comparisons of semantic richness effects in visual word recognition
Authors: Yap, M.J. 
Pexman, P.M.
Wellsby, M.
Hargreaves, I.S.
Huff, M.J.
Keywords: Body-object interaction
Lexical decision
Progressive demasking
Semantic classification
Semantic neighborhood density
Semantic richness
Visual word recognition
Issue Date: 17-Apr-2012
Citation: Yap, M.J.,Pexman, P.M.,Wellsby, M.,Hargreaves, I.S.,Huff, M.J. (2012-04-17). An abundance of riches: Cross-task comparisons of semantic richness effects in visual word recognition. Frontiers in Human Neuroscience (APRIL 2012) : -. ScholarBank@NUS Repository.
Abstract: There is considerable evidence (e.g., Pexman et al., 2008) that semantically rich words, which are associated with relatively more semantic information, are recognized faster across different lexical processing tasks.The present study extends this earlier work by providing the most comprehensive evaluation to date of semantic richness effects on visual word recognition performance. Specifically, using mixed effects analyses to control for the influence of correlated lexical variables, we considered the impact of number of features, number of senses, semantic neighborhood density, imageability, and body-object interaction across five visual word recognition tasks: standard lexical decision, go/no-go lexical decision, speeded pronunciation, progressive demasking, and semantic classification. Semantic richness effects could be reliably detected in all tasks of lexical processing, indicating that semantic representations, particularly their imaginal and featural aspects, play a fundamental role in visual word recognition. However, there was also evidence that the strength of certain richness effects could be flexibly and adaptively modulated by task demands, consistent with an intriguing interplay between task-specific mechanisms and differentiated semantic processing. © 2012 Yap, Pexman,Wellsby, Hargreaves and Huff.
Source Title: Frontiers in Human Neuroscience
ISSN: 16625161
Appears in Collections:Staff Publications

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