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1
Effects of healthy aging and left hemisphere stroke on statistical language learning ...
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Effects of healthy aging and left hemisphere stroke on statistical language learning ...
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3
Structural disconnection of the posterior medial frontal cortex reduces speech error monitoring
In: Neuroimage Clin (2022)
Abstract: Optimal performance in any task relies on the ability to detect and correct errors. The anterior cingulate cortex and the broader posterior medial frontal cortex (pMFC) are active during error processing. However, it is unclear whether damage to the pMFC impairs error monitoring. We hypothesized that successful error monitoring critically relies on connections between the pMFC and broader cortical networks involved in executive functions and the task being monitored. We tested this hypothesis in the context of speech error monitoring in people with post-stroke aphasia. Diffusion weighted images were collected in 51 adults with chronic left-hemisphere stroke and 37 age-matched control participants. Whole-brain connectomes were derived using constrained spherical deconvolution and anatomically-constrained probabilistic tractography. Support vector regressions identified white matter connections in which lost integrity in stroke survivors related to reduced error detection during confrontation naming. Lesioned connections to the bilateral pMFC were related to reduce error monitoring, including many connections to regions associated with speech production and executive function. We conclude that connections to the pMFC support error monitoring. Error monitoring in speech production is supported by the structural connectivity between the pMFC and regions involved in speech production, comprehension, and executive function. Interactions between pMFC and other task-relevant processors may similarly be critical for error monitoring in other task contexts.
Keyword: Regular Article
URL: http://www.ncbi.nlm.nih.gov/pubmed/34995870
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8739872/
https://doi.org/10.1016/j.nicl.2021.102934
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4
Experience of word-finding difficulties in aphasia (Fama et al., 2021) ...
Fama, Mackenzie E.; Lemonds, Erin; Levinson, Galya. - : ASHA journals, 2021
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5
Experience of word-finding difficulties in aphasia (Fama et al., 2021) ...
Fama, Mackenzie E.; Lemonds, Erin; Levinson, Galya. - : ASHA journals, 2021
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6
Brain structures and cognitive abilities important for the self-monitoring of speech errors
In: Neurobiol Lang (Camb) (2020)
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7
Effects of age and left hemisphere lesions on audiovisual integration of speech
In: Brain Lang (2020)
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8
Dissociable Mechanisms of Verbal Working Memory Revealed through Multivariate Lesion Mapping
In: Cereb Cortex (2020)
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9
Self-reported inner speech relates to phonological retrieval ability in people with aphasia
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10
The Subjective Experience of Inner Speech in Aphasia Is a Meaningful Reflection of Lexical Retrieval
Fama, Mackenzie E.; Snider, Sarah F.; Henderson, Mary P.. - : American Speech-Language-Hearing Association, 2019
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11
Localization of Phonological and Semantic Contributions to Reading
Dickens, J. Vivian; Fama, Mackenzie E.; DeMarco, Andrew T.. - : Society for Neuroscience, 2019
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12
Subjective experience of inner speech in aphasia: Preliminary behavioral relationships and neural correlates
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13
Group Therapy as a Social Context for Aphasia Recovery: A pilot, observational study in an acute rehabilitation hospital
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