Therapy of short‐term memory disorders in fluent aphasia: A single case study

Koenig-Bruhin, Monica; Studer-Eichenberger, F.

doi:10.1080/02687030600670593

Cited by 31 publications

(21 citation statements)

References 16 publications

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“…Nonetheless, there have been some promising recent efforts to develop diagnostic and treatment approaches that incorporate STM and executive processes in the context of language tasks with the goal of improving language (e.g., Helm-Estabrooks, Connor, & Albert 2000; McNeil, Matthews, Hula, Doyle & Fossett, 2006; Murray & Ramage, 2000; Martin, Kohen & Kalinyak-Fliszar, 2010). Also, in the last few years, the idea of a common process underlying STM and language processes has served as a foundation for treatment programs aiming to improve language function by treatment of the ability to maintain activation of verbal representations in STM (Majerus, Van der Kaa, Renard, Van der Linden, & Poncelet, 2005; Stark, 2005; Koenig-Bruhin & Studer-Eichenberger, 2007; Kalinyak-Fliszar, Kohen, & Martin, in press; also see Murray, this volume for review).…”

Section: Discussionmentioning

confidence: 99%

Effects of working memory load on processing of sounds and meanings of words in aphasia

et al. 2012

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Background Language performance in aphasia can vary depending on several variables such as stimulus characteristics and task demands. This study focuses on the degree of verbal working memory (WM) load inherent in the language task and how this variable affects language performance by individuals with aphasia. Aims The first aim was to identify the effects of increased verbal WM load on the performance of judgments of semantic similarity (synonymy) and phonological similarity (rhyming). The second aim was to determine if any of the following abilities could modulate the verbal WM load effect: semantic or phonological access, semantic or phonological short-term memory (STM) and any of the following executive processing abilities: inhibition, verbal WM updating, and set shifting. Method and Procedures Thirty-one individuals with aphasia and 11 controls participated in this study. They were administered a synonymy judgment task and a rhyming judgment task under high and low verbal WM load conditions that were compared to each other. In a second set of analyses, multiple regression was used to identify which factors (as noted above) modulated the verbal WM load effect. Outcome and Results For participants with aphasia, increased verbal WM load significantly reduced accuracy of performance on synonymy and rhyming judgments. Better performance in the low verbal WM load conditions was evident even after correcting for chance. The synonymy task included concrete and abstract word triplets. When these were examined separately, the verbal WM load effect was significant for the abstract words, but not the concrete words. The same pattern was observed in the performance of the control participants. Additionally, the second set of analyses revealed that semantic STM and one executive function, inhibition ability, emerged as the strongest predictors of the verbal WM load effect in these judgment tasks for individuals with aphasia. Conclusions The results of this study have important implications for diagnosis and treatment of aphasia. As the roles of verbal STM capacity, executive functions and verbal WM load in language processing are better understood, measurements of these variables can be incorporated into our diagnostic protocols. Moreover, if cognitive abilities such as STM and executive functions support language processing and their impairment adversely affects language function, treating them directly in the context of language tasks should translate into improved language function.

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Section: Discussionmentioning

confidence: 99%

Effects of working memory load on processing of sounds and meanings of words in aphasia

et al. 2012

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“…Verbal short-term memory (STM) impairment is frequently observed in patients with aphasia (e.g., Caramazza, Basili, Koller, & Berndt, 1981;Francis, Clark, & Humphreys;2003;Koenig-Bruhin & Studer-Eichenberger, 2007;Murray, Ballard, & Karcher, 2004).…”

Section: Introductionmentioning

confidence: 99%

The heterogeneity of verbal short-term memory impairment in aphasia

et al. 2015

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“…The patient reported by Francis et al (2003), improved from two to six digits for forward and backward digit span. The speakers reported in other STM studies (Koenig-Bruhin & Studer-Eichenberger, 2007;Majerus et al, 2005;Murray et al, 2006) showed smaller improvements in digit repetition after treatment. The speaker reported by Kalinyak-Fliszar et al (2011) did not improve in this task.…”

Section: Discussionmentioning

confidence: 87%

Short-term memory treatment: Patterns of learning and generalisation to sentence comprehension in a person with aphasia

Salis

2012

Neuropsychological Rehabilitation

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Auditory-verbal short-term memory deficits (STM) are prevalent in aphasia and can contribute to sentence comprehension deficits. This study investigated the effectiveness of a novel STM treatment in improving STM (measured with span tasks) and sentence comprehension (measured with the Token Test and the Test for the Reception of Grammar, TROG) in a person with severe aphasia (transcortical motor). In particular, the research questions were: (1) Would STM training improve STM? (2) Would improvements from the STM training generalise to improvements in comprehension of sentences? STM was trained using listening span tasks of serial word recognition. No other language or sentence comprehension skills were trained. Following treatment, STM abilities improved (listening span, forward digit span). There was also evidence of generalisation to untreated sentence comprehension (only on the TROG). Backward digit span, phonological processing and single word comprehension did not improve. Improvements in sentence comprehension may have resulted from resilience to rapid decay of linguistic representations within sentences (words and phrases). This in turn facilitated comprehension.

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Therapy of short‐term memory disorders in fluent aphasia: A single case study

Cited by 31 publications

References 16 publications

Effects of working memory load on processing of sounds and meanings of words in aphasia

Effects of working memory load on processing of sounds and meanings of words in aphasia

The heterogeneity of verbal short-term memory impairment in aphasia

Short-term memory treatment: Patterns of learning and generalisation to sentence comprehension in a person with aphasia

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