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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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Abstract:
We propose that deficits in lexical retrieval can involve difficulty in transmission of activation between processing levels, or difficulty in maintaining activation. In support, we present an investigation of picture naming by persons with aphasia in which the naming response is generated after a 1 s (sec) cue to respond in one condition or a 5 s cue to respond in another. Some individuals did better after 5 s, some did worse after 5 s, and some were not impacted by the delay. It is suggested that better performance after 5 s indicates a transmission deficit and that worse performance after 5 s indicates a maintenance deficit. To support this hypothesis, we adapted the two-step semantic-phonological model of lexical retrieval (Schwartz et al., 2006) so that it can simulate the passage of time and can simulate lesions in transmission (its semantic and phonological connection strength parameters) and/or maintenance (its decay parameter). The naming error patterns after 1 and 5 s for each participant were successfully fit to the model. Persons who did better after 5 s were found to have low connection strength parameters, persons who did worse after 5 s were simulated with an increased decay rate, and persons whose performance did not differ with delay were found to have lesions of both types. Some potential theoretical and clinical implications are discussed.
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Keyword:
Neuroscience
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URL: https://doi.org/10.3389/fnhum.2019.00406 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6890832/
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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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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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