The link between verbal short-term memory and anomia treatment gains

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dc.contributor.author Zimmerman, Reva M.
dc.contributor.author Silkes, JoAnn P.
dc.contributor.author Kendall, D.L. (Diane)
dc.contributor.author Minkina, Irene
dc.date.accessioned 2019-09-13T08:36:05Z
dc.date.available 2019-09-13T08:36:05Z
dc.date.issued 2019-08-09
dc.description.abstract PURPOSE : A significant relationship between verbal short-term memory (STM) and language performance in people with aphasia has been found across studies. However, very few studies have examined the predictive value of verbal STM in treatment outcomes. This study aims to determine if verbal STM can be used as a predictor of treatment success. METHOD : Retrospective data from 25 people with aphasia in a larger randomized controlled trial of phonomotor treatment were analyzed. Digit and word spans from immediately pretreatment were run in multiple linear regression models to determine whether they predict magnitude of change from pre- to posttreatment and follow-up naming accuracy. Pretreatment, immediately posttreatment, and 3 months posttreatment digit and word span scores were compared to determine if they changed following a novel treatment approach. RESULTS : Verbal STM, as measured by digit and word spans, did not predict magnitude of change in naming accuracy from pre- to posttreatment nor from pretreatment to 3 months posttreatment. Furthermore, digit and word spans did not change from pre- to posttreatment or from pretreatment to 3 months posttreatment in the overall analysis. A post hoc analysis revealed that only the less impaired group showed significant changes in word span scores from pretreatment to 3 months posttreatment. DISCUSSION : The results suggest that digit and word spans do not predict treatment gains. In a less severe subsample of participants, digit and word span scores can change following phonomotor treatment; however, the overall results suggest that span scores may not change significantly. The implications of these findings are discussed within the broader purview of theoretical and empirical associations between aphasic language and verbal STM processing. en_ZA
dc.description.department Speech-Language Pathology and Audiology en_ZA
dc.description.librarian hj2019 en_ZA
dc.description.sponsorship VA RD&D Merit Review Grant C6572R, awarded to Diane L. Kendall. en_ZA
dc.description.uri https://pubs.asha.org/journal/ajslp en_ZA
dc.identifier.citation Zimmerman, R.M., Silkes, J.P., Kendall, D.L. et al. 2019, 'The link between verbal short-term memory and anomia treatment gains', American Journal of Speech-Language Pathology, vol. 28, no. 3, pp. 1039-1052. en_ZA
dc.identifier.issn 1058-0360 (print)
dc.identifier.issn 1558-9110 (online)
dc.identifier.other 10.1044/2019_AJSLP-18-0176
dc.identifier.uri http://hdl.handle.net/2263/71340
dc.language.iso en en_ZA
dc.publisher American Speech Language Hearing Association en_ZA
dc.rights © 2019 American Speech-Language-Hearing Association en_ZA
dc.subject Short-term memory (STM) en_ZA
dc.subject Language performance en_ZA
dc.subject Aphasia en_ZA
dc.subject Verbal STM en_ZA
dc.subject Treatment success en_ZA
dc.title The link between verbal short-term memory and anomia treatment gains en_ZA
dc.type Postprint Article en_ZA


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