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Assessment of linguistic and verbal short-term memory components of language abilities in aphasia
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Effects of semantic context on access to words of low imageability in deep-phonological dysphasia: a treatment case study
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Effects of increased memory load on short-term facilitation of repetition in persons with aphasia
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Improving auditory access to low imageabilty words by embedding them in imageable semantic-syntactic contexts in a case of deep phonological dysphasia
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Abstract:
Deep dysphasia is a relatively rare subcategory of aphasia, characterized by word repetition impairment and profound auditory-verbal short-term memory (AVSTM) limitation. Accuracy of word repetition is better for words than nonwords (lexicality effect) and better for high-image than low-image words (imageability effect). The cardinal feature of deep dysphasia is the occurrence of semantic errors in single word repetition (Howard & Franklin, 1988). Phonological dysphasia shares all of these features except that semantic errors in repetition appear in repetition of multiple words and sentences. Thus, it has been proposed that these two ‘syndromes’ are not distinct, but actually are based on an impairment of auditory-verbal STM that can vary by severity, leading to deep dysphasia when severe and phonological dysphasia when mild (Martin, Saffran & Dell, 1996; Ablinger, Ablel & Huber, 2008). First, we report a single case treatment study of a person whose pattern of word repetition performance was consistent with the continuum of phonological-deep dysphasia: poor repetition of nonwords, imageability effects in repetition of single and multiple words and semantic errors in repetition of multiple word utterances. Differences in processing abstract (i.e., low imageability) versus concrete (i.e., high image) have been considered recently in aphasic treatment protocols (Kiran, Sandberg & Abbott, 2009). Here we test the effects of a theoretically motivated treatment that manipulates the semantic cohesiveness of low imageability (i.e., abstract)-low frequency (LI-LF)words to improve access to and short-term retention of LI words in deep-phonological dysphasia. Following presentation of the treatment case study, we describe an experimental protocol to determine if this approach of increasing imageability of abstract words through syntactic and semantic contexts can be extended to other individuals who present along the deep--phonological dysphasia continuum.
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URL: http://aphasiology.pitt.edu/2550/1/499-906-1-RV%28McCarthy-KalinyakFliszar-Kohen%29.pdf
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Cross-structural priming in sentences with verb particles and verb prepositions: A replication
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Comprehension of sentences with reversible semantic roles is sensitive to phonological STM capacity.
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Effects of working memory load on processing of sounds and meanings of words in aphasia
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Verbal Perseveration in Aphasia during Word-String Repetition: Effects of a Filled versus Silent Interstimulus Interval
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Remediation of language processing in aphasia: Improving activation and maintenance of linguistic representations in (verbal) short-term memory
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The effect of syntactic and semantic argument structure on sentence production in aphasia
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Remediation of language processing in aphasia: Improving activation and maintenance of linguistic representations in (verbal) short-term memory
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A processing approach to the assessment of language and verbal short-term memory in aphasia
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Treatment of a language activation maintenance deficit in Wernicke's aphasia
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A Diagnostic Battery to Assess Language and Short-term Memory Deficits in Aphasia
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Syntactic Priming Treatment for Severe Agrammatic Aphasia: A Case Study
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