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Effect of working memory load and typicality (Obermeyer et al., 2021) ...
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Effect of working memory load and typicality (Obermeyer et al., 2021) ...
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Identifying Verbal Short-Term Memory and Working Memory Impairments in Individuals With Latent Aphasia
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In: Am J Speech Lang Pathol (2021)
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Sentence Recall in Latent and Anomic Aphasia: An Exploratory Study of Semantics and Syntax
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In: Brain Sci (2021)
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WORD LEARNING IN APHASIA: TREATMENT IMPLICATIONS AND STRUCTURAL CONNECTIVITY ANALYSES
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In: Top Lang Disord (2020)
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Evaluating the contribution of executive functions (Obermeyer et al., 2019) ...
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Evaluating the contribution of executive functions (Obermeyer et al., 2019) ...
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Priming sentence comprehension in aphasia: Effects of lexically independent and specific structural priming
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Maintenance Versus Transmission Deficits: The Effect of Delay on Naming Performance in Aphasia
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Assessment of linguistic and verbal short-term memory components of language abilities in aphasia
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Short-term memory span in aphasia: Insights from speech-timing measures
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Abstract:
Auditory-verbal short-term memory impairments are part and parcel of aphasia and interfere with linguistic processing. To date, the science about short-term memory impairments in aphasia has been generated and dominated by studying measures of accuracy, that is, span length. Because accuracy is expressed through speech, examining the speech-timing characteristics of persons with aphasia as they engage in spoken recall could reveal insights about the manner in which accuracy is achieved. Six speech-timing measures (e.g., response durations, pause durations) were elicited from the speech waveform of word span tasks from twelve people with aphasia. Speech-timing measures were compared to neuro-typical control participants. Speech-timing performance between erroneous and correct responses in the aphasia group was also examined. Across all measures, people with aphasia produced considerably longer speech-timing patterns in comparison to control participants. Memory load affected some measures in people with aphasia and control participants. Speech-timing in correct response trials was shorter than responses in erroneous trials. Memory span correlated only with one measure, namely, speech time (defined as the sum of each individual word duration in a response). Speech time also correlated with the following measures: Aphasia severity (Aphasia Quotient of the Western Aphasia Battery), spontaneous speech, and language comprehension (also measured by the Western Aphasia Battery). Some protracted speech-timing patterns in the aphasia group may be explained by a deregulation of activation-decay patterns. However, in the absence of further evidence from people with aphasia, possible issues around the sensitivity of some speech-timing measures limit firmer conclusions. Speech-timing measures are response-time measures, which have not been systematically studied in studies of short-term or working memory in aphasia and as such, can push the current boundaries of knowledge of short-term and working memory impairments in aphasia, not only in stroke related aphasia but also other neurological conditions.
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6238645/ https://doi.org/10.1016/j.jneuroling.2018.04.014 http://www.ncbi.nlm.nih.gov/pubmed/30455550
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The use of standardised short-term and working memory tests in aphasia research: a systematic review
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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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Novel word acquisition in aphasia: Facing the word-referent ambiguity of natural language learning contexts
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Novel word acquisition in aphasia: Facing the word-referent ambiguity of natural language learning contexts
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Using Virtual Technology to Promote Functional Communication in Aphasia (Kalinyak-Fliszar et al., 2015) ...
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Using Virtual Technology to Promote Functional Communication in Aphasia (Kalinyak-Fliszar et al., 2015) ...
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Using Virtual Technology to Promote Functional Communication in Aphasia: Preliminary Evidence From Interactive Dialogues With Human and Virtual Clinicians
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