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Article: Treatment for anomia in Chinese using an ortho-phonological cueing method

TitleTreatment for anomia in Chinese using an ortho-phonological cueing method
Authors
Issue Date2008
PublisherPsychology Press. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/02687038.asp
Citation
Aphasiology, 2008, v. 22 n. 2, p. 139-163 How to Cite?
AbstractBackground: Anomia therapies can be broadly categorised into semantically based and word-form based. Comparable treatment outcomes of these different approaches have been reported. Law, Wong, Sung, and Hon (2006a) have recently applied semantic feature analysis (Boyle & Coelho, 1995) on three Chinese anomic speakers and found treatment progress limited to those with relatively mild semantic deficits. Hence the present study explored alternative approaches to manage naming problems. Despite the challenges to the use of cueing that stem from the characteristics of the Chinese script - i.e., the lack of mapping between sub-character components and phonemes - an intervention was designed in which participants were trained to associate objects with letters representing the initial consonants of the target names, from which phonological cues were generated to assist in word retrieval. Aims: This study evaluated the effectiveness of an ortho-phonological therapy for Chinese anomia. Given its function of strengthening semantic and phonological representations, the therapy was predicted to have item-specific treatment effects. Methods & Procedures: Four Cantonese-speaking anomic individuals participated in the study. Two were hypothesised to have disrupted access from semantics to phonology, whereas the other two suffer additional impairment to semantic processing and phonological output. A multiple baseline design was adopted, consisting of pre-treatment training in which participants learned to generate CV syllables in response to letter cues, then a baseline, one or two treatment phases, and a maintenance phase. A cueing hierarchy was used during therapy, which began with a letter cue, followed by the provision of increasing phonological information if the participant continuously failed to retrieve the target name. Outcomes & Results: All participants benefited from the intervention and could maintain treatment gains for at least 1 month. Item-specific improvement was observed for two participants, whereas the third patient also made progress on some of the untrained items that shared the same initials as the treated stimuli, and treatment generalisation of the fourth patient further extended to items with initial consonants different from the trained items. Different levels of facility in employing letter-sound correspondence during naming and executive problem-solving skills were argued to have contributed to discrepant treatment outcomes. Conclusions: The ortho-phonological therapy is a viable option for rehabilitating anomia in Chinese. It has the potential for being a naming strategy that may result in general improvement in word retrieval. Our findings echo the view in recent studies that urges investigation into the role of non-linguistic cognitive abilities in predicting treatment outcomes.
Persistent Identifierhttp://hdl.handle.net/10722/85111
ISSN
2015 Impact Factor: 1.139
2015 SCImago Journal Rankings: 0.730
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLaw, SPen_HK
dc.contributor.authorYeung, Oen_HK
dc.contributor.authorChiu, KMYen_HK
dc.date.accessioned2010-09-06T09:00:58Z-
dc.date.available2010-09-06T09:00:58Z-
dc.date.issued2008en_HK
dc.identifier.citationAphasiology, 2008, v. 22 n. 2, p. 139-163en_HK
dc.identifier.issn0268-7038en_HK
dc.identifier.urihttp://hdl.handle.net/10722/85111-
dc.description.abstractBackground: Anomia therapies can be broadly categorised into semantically based and word-form based. Comparable treatment outcomes of these different approaches have been reported. Law, Wong, Sung, and Hon (2006a) have recently applied semantic feature analysis (Boyle & Coelho, 1995) on three Chinese anomic speakers and found treatment progress limited to those with relatively mild semantic deficits. Hence the present study explored alternative approaches to manage naming problems. Despite the challenges to the use of cueing that stem from the characteristics of the Chinese script - i.e., the lack of mapping between sub-character components and phonemes - an intervention was designed in which participants were trained to associate objects with letters representing the initial consonants of the target names, from which phonological cues were generated to assist in word retrieval. Aims: This study evaluated the effectiveness of an ortho-phonological therapy for Chinese anomia. Given its function of strengthening semantic and phonological representations, the therapy was predicted to have item-specific treatment effects. Methods & Procedures: Four Cantonese-speaking anomic individuals participated in the study. Two were hypothesised to have disrupted access from semantics to phonology, whereas the other two suffer additional impairment to semantic processing and phonological output. A multiple baseline design was adopted, consisting of pre-treatment training in which participants learned to generate CV syllables in response to letter cues, then a baseline, one or two treatment phases, and a maintenance phase. A cueing hierarchy was used during therapy, which began with a letter cue, followed by the provision of increasing phonological information if the participant continuously failed to retrieve the target name. Outcomes & Results: All participants benefited from the intervention and could maintain treatment gains for at least 1 month. Item-specific improvement was observed for two participants, whereas the third patient also made progress on some of the untrained items that shared the same initials as the treated stimuli, and treatment generalisation of the fourth patient further extended to items with initial consonants different from the trained items. Different levels of facility in employing letter-sound correspondence during naming and executive problem-solving skills were argued to have contributed to discrepant treatment outcomes. Conclusions: The ortho-phonological therapy is a viable option for rehabilitating anomia in Chinese. It has the potential for being a naming strategy that may result in general improvement in word retrieval. Our findings echo the view in recent studies that urges investigation into the role of non-linguistic cognitive abilities in predicting treatment outcomes.en_HK
dc.languageengen_HK
dc.publisherPsychology Press. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/02687038.aspen_HK
dc.relation.ispartofAphasiologyen_HK
dc.rightsAphasiology. Copyright © Psychology Press.en_HK
dc.titleTreatment for anomia in Chinese using an ortho-phonological cueing methoden_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0268-7038&volume=22&issue=2&spage=p139&epage=163&date=2008&atitle=Treatment+for+anomia+in+Chinese+using+an+ortho-phonological+cueing+methoden_HK
dc.identifier.emailLaw, SP: splaw@hku.hken_HK
dc.identifier.authorityLaw, SP=rp00920en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1080/02687030701191358en_HK
dc.identifier.scopuseid_2-s2.0-38149037226en_HK
dc.identifier.hkuros144663en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-38149037226&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume22en_HK
dc.identifier.issue2en_HK
dc.identifier.spage139en_HK
dc.identifier.epage163en_HK
dc.identifier.isiWOS:000252356200002-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridLaw, SP=7202242088en_HK
dc.identifier.scopusauthoridYeung, O=23399046700en_HK
dc.identifier.scopusauthoridChiu, KMY=9243232700en_HK

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