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Article: Effects of age of acquisition on brain activation during Chinese character recognition

TitleEffects of age of acquisition on brain activation during Chinese character recognition
Authors
KeywordsArbitrary mapping hypothesis
Chinese
Written AoA
Issue Date2008
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/neuropsychologia
Citation
Neuropsychologia, 2008, v. 46 n. 7, p. 2086-2090 How to Cite?
AbstractThe age of acquisition of a word (AoA) has a specific effect on brain activation during word identification in English and German. However, the neural locus of AoA effects differs across studies. According to Hernandez and Fiebach [Hernandez, A., & Fiebach, C. (2006). The brain bases of reading late-learned words: Evidence from functional MRI. Visual Cognition, 13(8), 1027-1043], the effects of AoA on brain activation depend on the predictability of the connections between input (orthography) and output (phonology) in a lexical network. We tested this hypothesis by examining AoA effects in a non-alphabetic script with relatively arbitrary mappings between orthography and phonology-Chinese. Our results showed that the effects of AoA in Chinese speakers are located in brain regions that are spatially distinctive including the bilateral middle temporal gyrus and the left inferior parietal cortex. An additional finding was that word frequency had an independent effect on brain activation in the right middle occipital gyrus only. We conclude that spatially distinctive effects of AoA on neural activity depend on the predictability of the mappings between orthography and phonology and reflect a division of labour towards greater lexical-semantic retrieval in non-alphabetic scripts. © 2008 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/91981
ISSN
2015 Impact Factor: 2.989
2015 SCImago Journal Rankings: 2.072
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWeekes, BSen_HK
dc.contributor.authorChan, AHDen_HK
dc.contributor.authorTan, LHen_HK
dc.date.accessioned2010-09-17T10:32:31Z-
dc.date.available2010-09-17T10:32:31Z-
dc.date.issued2008en_HK
dc.identifier.citationNeuropsychologia, 2008, v. 46 n. 7, p. 2086-2090en_HK
dc.identifier.issn0028-3932en_HK
dc.identifier.urihttp://hdl.handle.net/10722/91981-
dc.description.abstractThe age of acquisition of a word (AoA) has a specific effect on brain activation during word identification in English and German. However, the neural locus of AoA effects differs across studies. According to Hernandez and Fiebach [Hernandez, A., & Fiebach, C. (2006). The brain bases of reading late-learned words: Evidence from functional MRI. Visual Cognition, 13(8), 1027-1043], the effects of AoA on brain activation depend on the predictability of the connections between input (orthography) and output (phonology) in a lexical network. We tested this hypothesis by examining AoA effects in a non-alphabetic script with relatively arbitrary mappings between orthography and phonology-Chinese. Our results showed that the effects of AoA in Chinese speakers are located in brain regions that are spatially distinctive including the bilateral middle temporal gyrus and the left inferior parietal cortex. An additional finding was that word frequency had an independent effect on brain activation in the right middle occipital gyrus only. We conclude that spatially distinctive effects of AoA on neural activity depend on the predictability of the mappings between orthography and phonology and reflect a division of labour towards greater lexical-semantic retrieval in non-alphabetic scripts. © 2008 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/neuropsychologiaen_HK
dc.relation.ispartofNeuropsychologiaen_HK
dc.subjectArbitrary mapping hypothesisen_HK
dc.subjectChineseen_HK
dc.subjectWritten AoAen_HK
dc.titleEffects of age of acquisition on brain activation during Chinese character recognitionen_HK
dc.typeArticleen_HK
dc.identifier.emailWeekes, BS: weekes@hku.hken_HK
dc.identifier.emailTan, LH: tanlh@hku.hken_HK
dc.identifier.authorityWeekes, BS=rp01390en_HK
dc.identifier.authorityTan, LH=rp01202en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.neuropsychologia.2008.01.020en_HK
dc.identifier.pmid18325545-
dc.identifier.scopuseid_2-s2.0-44349147762en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-44349147762&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume46en_HK
dc.identifier.issue7en_HK
dc.identifier.spage2086en_HK
dc.identifier.epage2090en_HK
dc.identifier.isiWOS:000257277600032-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridWeekes, BS=6701924212en_HK
dc.identifier.scopusauthoridChan, AHD=23766960600en_HK
dc.identifier.scopusauthoridTan, LH=7402233462en_HK

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