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Article: Contribution of working memory components to the performance of the tower of Hanoi in schizophrenia

TitleContribution of working memory components to the performance of the tower of Hanoi in schizophrenia
Authors
KeywordsMemory, Short-Term
Neuropsychological Tests
Schizophrenia
Issue Date2010
PublisherHong Kong Academy of Medicine Press. The Journal's web site is located at http://www.hkjpsych.com/search.jsp
Citation
East Asian Archives Of Psychiatry, 2010, v. 20 n. 2, p. 69-75 How to Cite?
AbstractObjectives: To examine the underlying structure of neuropsychological tests involving working memory components and those not involving working memory components that contribute to the performance of the Tower of Hanoi task in schizophrenic patients. Participants and Methods: A total of 90 patients with residual schizophrenia received a comprehensive cognitive assessment. Working memory was assessed with Letter-Number Span and Visual Patterns tests. Executive function was assessed by the Tower of Hanoi task. Stepwise multiple linear regressions were performed including age, education, duration of illness, and all cognitive functions. Results: Principal component analysis was conducted and yielded a 4-factor solution: auditory working memory, visual working memory, verbal working memory, and verbal fluency. Subsequent stepwise regression indicated that only visual working memory components and auditory working memory components were retained in the final model accounting, which explained 23.5% of the variance. Conclusions: These findings emphasise the importance of memory components, particularly those involving visual- and auditory-based working memory, when conceptualising the performance of the Tower of Hanoi task in residual schizophrenia. © 2010 Hong Kong College of Psychiatrists.
Persistent Identifierhttp://hdl.handle.net/10722/171959
ISSN
2015 SCImago Journal Rankings: 0.331
References

 

DC FieldValueLanguage
dc.contributor.authorChan, RCKen_US
dc.contributor.authorWang, YNen_US
dc.contributor.authorCao, XYen_US
dc.contributor.authorChen, EYHen_US
dc.date.accessioned2012-10-30T06:18:50Z-
dc.date.available2012-10-30T06:18:50Z-
dc.date.issued2010en_US
dc.identifier.citationEast Asian Archives Of Psychiatry, 2010, v. 20 n. 2, p. 69-75en_US
dc.identifier.issn2078-9947en_US
dc.identifier.urihttp://hdl.handle.net/10722/171959-
dc.description.abstractObjectives: To examine the underlying structure of neuropsychological tests involving working memory components and those not involving working memory components that contribute to the performance of the Tower of Hanoi task in schizophrenic patients. Participants and Methods: A total of 90 patients with residual schizophrenia received a comprehensive cognitive assessment. Working memory was assessed with Letter-Number Span and Visual Patterns tests. Executive function was assessed by the Tower of Hanoi task. Stepwise multiple linear regressions were performed including age, education, duration of illness, and all cognitive functions. Results: Principal component analysis was conducted and yielded a 4-factor solution: auditory working memory, visual working memory, verbal working memory, and verbal fluency. Subsequent stepwise regression indicated that only visual working memory components and auditory working memory components were retained in the final model accounting, which explained 23.5% of the variance. Conclusions: These findings emphasise the importance of memory components, particularly those involving visual- and auditory-based working memory, when conceptualising the performance of the Tower of Hanoi task in residual schizophrenia. © 2010 Hong Kong College of Psychiatrists.en_US
dc.languageengen_US
dc.publisherHong Kong Academy of Medicine Press. The Journal's web site is located at http://www.hkjpsych.com/search.jspen_US
dc.relation.ispartofEast Asian Archives of Psychiatryen_US
dc.subjectMemory, Short-Termen_US
dc.subjectNeuropsychological Testsen_US
dc.subjectSchizophreniaen_US
dc.titleContribution of working memory components to the performance of the tower of Hanoi in schizophreniaen_US
dc.typeArticleen_US
dc.identifier.emailChen, EYH:eyhchen@hku.hken_US
dc.identifier.authorityChen, EYH=rp00392en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-77954507348en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77954507348&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume20en_US
dc.identifier.issue2en_US
dc.identifier.spage69en_US
dc.identifier.epage75en_US
dc.publisher.placeHong Kongen_US
dc.identifier.scopusauthoridChan, RCK=35236280300en_US
dc.identifier.scopusauthoridWang, YN=36055056800en_US
dc.identifier.scopusauthoridCao, XY=55013876100en_US
dc.identifier.scopusauthoridChen, EYH=7402315729en_US

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