{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,17]],"date-time":"2025-12-17T08:29:19Z","timestamp":1765960159713},"reference-count":49,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2021,2,15]],"date-time":"2021-02-15T00:00:00Z","timestamp":1613347200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Intl J Lang &amp; Comm Disor"],"published-print":{"date-parts":[[2021,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>To date, studies have not explored whether a dual diagnosis of aphasia plus apraxia of speech (AOS) versus aphasia alone (APH) affects the response to language\u2010based naming treatments.<\/jats:p><\/jats:sec><jats:sec><jats:title>Aims<\/jats:title><jats:p>To compare the effects of semantic feature analysis (SFA) treatment for individuals with APH versus aphasia plus AOS, and to test if the presence of AOS impacted the effects of treatment.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods and Procedures<\/jats:title><jats:p>A non\u2010randomized experimental group study was conducted to explore the treatment, generalization and maintenance effects between the AOS and APH groups. Participants included nine individuals with aphasia and 11 with concomitant aphasia and AOS. Dependent measures included lexical accuracy, number of sound\u2010level distortions, and lexical stress and syllable segmentation errors.<\/jats:p><\/jats:sec><jats:sec><jats:title>Outcomes and Results<\/jats:title><jats:p>Both groups showed significantly improved naming accuracy of trained items for up to 2 months post\u2010treatment. Improvement on naming accuracy of untrained items post\u2010treatment, both semantically related and unrelated to trained items, was lower in magnitude. That this may have been due to effects of repeated probing (which included target repetition) or regression to the mean cannot be excluded. There was a tendency for the AOS group to respond slightly better to treatment than the APH group overall, which was not correlated with aphasia severity. Also, measures of phonetic accuracy and fluency improved for both groups, with no main effect of group. Treatment effects did not generalize to formal measures of (untrained) picture naming or expression of correct information units in discourse in a story retelling task.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions and Implications<\/jats:title><jats:p>Findings indicate that individuals with aphasia plus AOS can gain equivalent benefits in word retrieval and production from the language\u2010based SFA treatment as individuals with aphasia alone. This may be, in part, due to the tendency for SFA to incorporate principles of practice that are known to support motor learning in AOS, such as high intensity, random stimulus presentation and variable practice. Findings provide further support for high\u2010intensity practice and use of self\u2010generated features to facilitate maintenance of effects.<\/jats:p><\/jats:sec><jats:sec><jats:label \/><jats:p>\n<jats:boxed-text content-type=\"box\" position=\"anchor\"><jats:caption><jats:title>What this paper adds<\/jats:title><\/jats:caption><jats:sec><jats:title>What is already known on the subject<\/jats:title><jats:p><jats:list list-type=\"bullet\">\n<jats:list-item>\n<jats:p>SFA treatment is the most common intervention for word\u2010finding difficulties for individuals with aphasia. AOS is a common concomitant disorder to aphasia. However, it is not clear whether the effects of language\u2010based SFA treatment are mitigated by the presence of AOS, which tends to respond well to treatments focused on articulatory\u2013kinematic aspects of speech movement.<\/jats:p>\n<\/jats:list-item>\n<\/jats:list><\/jats:p><\/jats:sec><jats:sec><jats:title>What this paper adds to the existing knowledge<\/jats:title><jats:p><jats:list list-type=\"bullet\">\n<jats:list-item>\n<jats:p>This study compares the effects of SFA in a group of individuals with aphasia alone and a group with similar severity of aphasia but with concomitant AOS, ranging from mild to moderate\u2013severe. Overall, AOS did not have a negative effect on response to the treatment.<\/jats:p>\n<\/jats:list-item>\n<\/jats:list><\/jats:p><\/jats:sec><jats:sec><jats:title>What are the potential or actual clinical implications of this work?<\/jats:title><jats:p><jats:list list-type=\"bullet\">\n<jats:list-item>\n<jats:p>Individuals with aphasia plus AOS can be expected to benefit to a similar degree from SFA as people with aphasia alone. It is likely that the use of practice principles of high intensity, random stimulus presentation and varied practice are important components of the protocol.<\/jats:p>\n<\/jats:list-item>\n<\/jats:list><\/jats:p><\/jats:sec><\/jats:boxed-text><\/jats:p><\/jats:sec>","DOI":"10.1111\/1460-6984.12597","type":"journal-article","created":{"date-parts":[[2021,2,18]],"date-time":"2021-02-18T17:51:52Z","timestamp":1613670712000},"page":"485-500","update-policy":"http:\/\/dx.doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Outcomes of semantic feature analysis treatment for aphasia with and without apraxia of speech"],"prefix":"10.1111","volume":"56","author":[{"given":"Dominique I.","family":"Scholl","sequence":"first","affiliation":[{"name":"Faculty of Medicine and Health University of Sydney  Sydney NSW Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patricia","family":"McCabe","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Health University of Sydney  Sydney NSW Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lyndsey","family":"Nickels","sequence":"additional","affiliation":[{"name":"Centre of Research Excellence in Aphasia Recovery and Rehabilitation  Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kirrie J.","family":"Ballard","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Health University of Sydney  Sydney NSW Australia"},{"name":"Frontotemporal Dementia Research Group (FRONTIER), Brain and Mind Centre University of Sydney  Sydney NSW Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,2,15]]},"reference":[{"key":"e_1_2_7_2_1","volume-title":"Clinical Practice Guideline Process Manual","author":"American Academy of Neurology","year":"2011"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuropsychologia.2015.12.010"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1044\/2015_AJSLP-14-0118"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1044\/2017_JSLHR-S-16-0443"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1044\/2017_AJSLP-16-0080"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1044\/1058-0360(2004\/025)"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1310\/tsr1706-411"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1044\/1058-0360.0404.94"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0028-3932(00)00034-8"},{"key":"e_1_2_7_11_1","volume-title":"The sound pattern of English","author":"Chomsky N.","year":"1968"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1080\/026870300401513"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1037\/0033-295X.82.6.407"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1080\/02687030902756439"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1044\/2015_AJSLP-14-0155"},{"key":"e_1_2_7_16_1","volume-title":"Motor speech disorders: Substrates, differential diagnosis, and management","author":"Duffy J. 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