Asymmetrical perceptual load in lateralised word processing

Gastoón J. Madrid; Nilli Lavie; Michal Lavidor

doi:10.1080/09541440903264161

Asymmetrical perceptual load in lateralised word processing

Gastoón J. Madrid, Nilli Lavie, Michal Lavidor

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

We applied the Load Theory of attention (Lavie, 1995, 2005) to the case of distraction during processing of lateralised words presented in either the right or the left visual fields. Previous research (Brand-D'Abrescia Lavie, 2007) showed that lexicality affects selective attention such that the number of letters in a search task only increases perceptual load and reduces irrelevant distractor effects for searches in nonwords but not in words. The present study examined the hypothesis that the effect of lexicality on distractor processing would be stronger for words presented to the left compared to the right hemisphere. The results supported this hypothesis and their implications for attention to words in the two cerebral hemispheres are discussed. We suggest that the efficiency of attentional selection differed because perceptual load in the visual fields taxed processing depending on hemispheric language expertise.

Original language	English
Pages (from-to)	1066-1077
Number of pages	12
Journal	European Journal of Cognitive Psychology
Volume	22
Issue number	7
DOIs	https://doi.org/10.1080/09541440903264161
State	Published - Nov 2010
Externally published	Yes

Bibliographical note

Funding Information:
Correspondence should be addressed to Gastón J. Madrid, Neuroscience and Aphasia Research Unit (NARU), School of Psychological Sciences, Zochonis Building, University of Manchester, Oxford Road, Manchester M13 9PL, UK. E-mail: [email protected] This research was supported by an ERC start-up grant (ML) and a Wellcome Trust project grant (NL).

Funding

Correspondence should be addressed to Gastón J. Madrid, Neuroscience and Aphasia Research Unit (NARU), School of Psychological Sciences, Zochonis Building, University of Manchester, Oxford Road, Manchester M13 9PL, UK. E-mail: [email protected] This research was supported by an ERC start-up grant (ML) and a Wellcome Trust project grant (NL).

Funders	Funder number
Wellcome Trust
European Commission

Keywords

Attention
Laterality
Perceptual load
Word recognition

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10.1080/09541440903264161

Cite this

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title = "Asymmetrical perceptual load in lateralised word processing",

abstract = "We applied the Load Theory of attention (Lavie, 1995, 2005) to the case of distraction during processing of lateralised words presented in either the right or the left visual fields. Previous research (Brand-D'Abrescia Lavie, 2007) showed that lexicality affects selective attention such that the number of letters in a search task only increases perceptual load and reduces irrelevant distractor effects for searches in nonwords but not in words. The present study examined the hypothesis that the effect of lexicality on distractor processing would be stronger for words presented to the left compared to the right hemisphere. The results supported this hypothesis and their implications for attention to words in the two cerebral hemispheres are discussed. We suggest that the efficiency of attentional selection differed because perceptual load in the visual fields taxed processing depending on hemispheric language expertise.",

keywords = "Attention, Laterality, Perceptual load, Word recognition",

author = "Madrid, {Gasto{\'o}n J.} and Nilli Lavie and Michal Lavidor",

note = "Funding Information: Correspondence should be addressed to Gast{\'o}n J. Madrid, Neuroscience and Aphasia Research Unit (NARU), School of Psychological Sciences, Zochonis Building, University of Manchester, Oxford Road, Manchester M13 9PL, UK. E-mail: [email protected] This research was supported by an ERC start-up grant (ML) and a Wellcome Trust project grant (NL).",

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doi = "10.1080/09541440903264161",

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N2 - We applied the Load Theory of attention (Lavie, 1995, 2005) to the case of distraction during processing of lateralised words presented in either the right or the left visual fields. Previous research (Brand-D'Abrescia Lavie, 2007) showed that lexicality affects selective attention such that the number of letters in a search task only increases perceptual load and reduces irrelevant distractor effects for searches in nonwords but not in words. The present study examined the hypothesis that the effect of lexicality on distractor processing would be stronger for words presented to the left compared to the right hemisphere. The results supported this hypothesis and their implications for attention to words in the two cerebral hemispheres are discussed. We suggest that the efficiency of attentional selection differed because perceptual load in the visual fields taxed processing depending on hemispheric language expertise.

AB - We applied the Load Theory of attention (Lavie, 1995, 2005) to the case of distraction during processing of lateralised words presented in either the right or the left visual fields. Previous research (Brand-D'Abrescia Lavie, 2007) showed that lexicality affects selective attention such that the number of letters in a search task only increases perceptual load and reduces irrelevant distractor effects for searches in nonwords but not in words. The present study examined the hypothesis that the effect of lexicality on distractor processing would be stronger for words presented to the left compared to the right hemisphere. The results supported this hypothesis and their implications for attention to words in the two cerebral hemispheres are discussed. We suggest that the efficiency of attentional selection differed because perceptual load in the visual fields taxed processing depending on hemispheric language expertise.

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Asymmetrical perceptual load in lateralised word processing

Abstract

Bibliographical note

Funding

Keywords

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