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Article: An ERP study of effects of regularity and consistency in delayed naming and lexicality judgment in a logographic writing system

TitleAn ERP study of effects of regularity and consistency in delayed naming and lexicality judgment in a logographic writing system
Authors
Issue Date2014
PublisherFrontiers. The Journal's web site is located at http://www.frontiersin.org/psychology
Citation
Frontiers in Psychology, 2014, v. 5 article no. 315 How to Cite?
AbstractPhonological access is an important component in theories and models of word reading. However, phonological regularity and consistency effects are not clearly separable in alphabetic writing systems. We investigated these effects in Chinese, where the two variables are operationally distinct. In this orthographic system, regularity is defined as the congruence between the pronunciation of a complex character (or phonogram), and that of its phonetic radical, while phonological consistency indexes the proportion of orthographic neighbors that share the same pronunciation as the phonogram. In the current investigation, regularity and consistency were contrasted in an event-related potential (ERP) study using a lexical decision task and a delayed naming task with native Chinese readers. ERP results showed that effects of regularity occurred early after stimulus onset and were long-lasting. Regular characters elicited larger N170, smaller P200, and larger N400 compared to irregular characters. In contrast, significant effects of consistency were only seen at the P200 and consistent characters showed a greater P200 than inconsistent characters. Thus, both the time course and the direction of the effects indicated that regularity and consistency operated under different mechanisms and were distinct constructs. Additionally, both of these phonological effects were only found in the delayed naming task and absent in lexical decision, suggesting that phonological access was non-obligatory for lexical decision. The study demonstrated cross-language variability in how phonological information was accessed from print and how task demands could influence this process.
Persistent Identifierhttp://hdl.handle.net/10722/200907
PubMed Central ID
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYum, YNCen_US
dc.contributor.authorLaw, SPen_US
dc.contributor.authorSu, IFen_US
dc.contributor.authorLau, Den_US
dc.contributor.authorMo, Ken_US
dc.date.accessioned2014-08-21T07:06:45Z-
dc.date.available2014-08-21T07:06:45Z-
dc.date.issued2014en_US
dc.identifier.citationFrontiers in Psychology, 2014, v. 5 article no. 315en_US
dc.identifier.urihttp://hdl.handle.net/10722/200907-
dc.description.abstractPhonological access is an important component in theories and models of word reading. However, phonological regularity and consistency effects are not clearly separable in alphabetic writing systems. We investigated these effects in Chinese, where the two variables are operationally distinct. In this orthographic system, regularity is defined as the congruence between the pronunciation of a complex character (or phonogram), and that of its phonetic radical, while phonological consistency indexes the proportion of orthographic neighbors that share the same pronunciation as the phonogram. In the current investigation, regularity and consistency were contrasted in an event-related potential (ERP) study using a lexical decision task and a delayed naming task with native Chinese readers. ERP results showed that effects of regularity occurred early after stimulus onset and were long-lasting. Regular characters elicited larger N170, smaller P200, and larger N400 compared to irregular characters. In contrast, significant effects of consistency were only seen at the P200 and consistent characters showed a greater P200 than inconsistent characters. Thus, both the time course and the direction of the effects indicated that regularity and consistency operated under different mechanisms and were distinct constructs. Additionally, both of these phonological effects were only found in the delayed naming task and absent in lexical decision, suggesting that phonological access was non-obligatory for lexical decision. The study demonstrated cross-language variability in how phonological information was accessed from print and how task demands could influence this process.en_US
dc.languageengen_US
dc.publisherFrontiers. The Journal's web site is located at http://www.frontiersin.org/psychologyen_US
dc.relation.ispartofFrontiers in Psychologyen_US
dc.rightsThis Document is Protected by copyright and was first published by Frontiers. All rights reserved. It is reproduced with permission.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleAn ERP study of effects of regularity and consistency in delayed naming and lexicality judgment in a logographic writing systemen_US
dc.typeArticleen_US
dc.identifier.emailYum, YNC: yumyenna@hku.hken_US
dc.identifier.emailLaw, SP: splaw@hku.hken_US
dc.identifier.emailSu, IF: ifansu@hku.hken_US
dc.identifier.authorityLaw, SP=rp00920en_US
dc.identifier.authoritySu, IF=rp01650en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.3389/fpsyg.2014.00315en_US
dc.identifier.pmid24782812-
dc.identifier.pmcid24782812-
dc.identifier.pmcidPMC3995054-
dc.identifier.hkuros233628en_US
dc.identifier.volume5en_US
dc.identifier.spage1en_US
dc.identifier.epage12en_US
dc.identifier.isiWOS:000334166000001-
dc.publisher.placeLausanne, Switzerlanden_US

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