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Multimodal Neural and Behavioral Data Predict Response to Rehabilitation in Chronic Poststroke Aphasia
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In: Stroke (2022)
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Selective Functional Network Changes Following tDCS-Augmented Language Treatment in Primary Progressive Aphasia
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In: Front Aging Neurosci (2021)
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Predicting language recovery in post-stroke aphasia using behavior and functional MRI
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In: Sci Rep (2021)
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Distinct Neural Substrates Support Phonological and Orthographic Working Memory: Implications for Theories of Working Memory
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Distinct Neural Substrates Support Phonological and Orthographic Working Memory: Implications for Theories of Working Memory
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In: Front Neurol (2021)
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Abstract:
Prior behavioral and neuroimaging evidence supports a separation between working memory capacities in the phonological and orthographic domains. Although these data indicate distinct buffers for orthographic and phonological information, prior neural evidence does indicate that nearby left inferior parietal regions support both of these working memory capacities. Given that no study has directly compared their neural substrates based on data from the same individuals, it is possible that there is a common left inferior parietal region shared by both working memory capacities. In fact, those endorsing an embedded processes account of working memory might suggest that parietal involvement reflects a domain-general attentional system that directs attention to long-term memory representations in the two domains, implying that the same neural region supports the two capacities. Thus, in this work, a multivariate lesion-symptom mapping approach was used to assess the neural basis of phonological and orthographic working memory using behavioral and lesion data from the same set of 37 individuals. The results showed a separation of the neural substrates, with regions in the angular gyrus supporting orthographic working memory and with regions primarily in the supramarginal gyrus supporting phonological working memory. The results thus argue against the parietal involvement as supporting a domain-general attentional mechanism and support a domain-specific buffer account of working memory.
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Keyword:
Neurology
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URL: https://doi.org/10.3389/fneur.2021.681141 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8371181/
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A Tool for Automatic Scoring of Spelling Performance
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In: J Speech Lang Hear Res (2020)
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Reading Proficiency Influences the effects of Transcranial Direct Current Stimulation: Evidence from Selective Modulation of Dorsal and Ventral Pathways of reading in Bilinguals
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In: Brain Lang (2020)
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Different patterns of functional network re-organization across the variants of primary progressive aphasia: A graph theoretic analysis
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In: Neurobiol Aging (2020)
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Reliability of BOLD signals in chronic stroke-induced aphasia ...
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Language network re-organization associated with word- and sentence-level language interventions in chronic aphasia ...
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The use of spelling for variant classification in primary progressive aphasia: Theoretical and practical implications
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In: Neuropsychologia (2019)
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Local response heterogeneity indexes experience-based neural differentiation in reading
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Learning in complex, multi-component cognitive systems: Different learning challenges within the same system
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In: J Exp Psychol Learn Mem Cogn (2018)
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Right hemisphere grey matter volume and language functions in stroke aphasia
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Intrahemispheric Perfusion in Chronic Stroke-Induced Aphasia
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Right Hemisphere Grey Matter Volume and Language Functions in Stroke Aphasia
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Intrahemispheric Perfusion in Chronic Stroke-Induced Aphasia
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Right Hemisphere Grey Matter Volume and Language Functions in Stroke Aphasia
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