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Family history of FXTAS is associated with age-related cognitive-linguistic decline among mothers with the FMR1 premutation.
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In: Journal of neurodevelopmental disorders, vol 14, iss 1 (2022)
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Increased connectivity among sensory and motor regions during visual and audiovisual speech perception
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In: Open Access Publications (2022)
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A Therapeutic Relational Agent for Reducing Problematic Substance Use (Woebot): Development and Usability Study.
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In: Journal of medical Internet research, vol 23, iss 3 (2021)
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A Bayesian optimization approach for rapidly mapping residual network function in stroke. ...
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Parental Perceptions and Decisions Regarding Maintaining Bilingualism in Autism. ...
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Age-related differences in the neural bases of phonological and semantic processes in the context of task-irrelevant information.
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Abstract:
As we age we have increasing difficulty with phonological aspects of language production. Yet semantic processes are largely stable across the life span. This suggests a fundamental difference in the cognitive and potentially neural architecture supporting these systems. Moreover, language processes such as these interact with other cognitive processes that also show age-related decline, such as executive function and inhibition. The present study examined phonological and semantic processes in the presence of task-irrelevant information to examine the influence of such material on language production. Older and younger adults made phonological and semantic decisions about pictures in the presence of either phonologically or semantically related words, which were unrelated to the task. FMRI activation during the semantic condition showed that all adults engaged typical left-hemisphere language regions, and that this activation was positively correlated with efficiency across all adults. In contrast, the phonological condition elicited activation in bilateral precuneus and cingulate, with no clear brain-behavior relationship. Similarly, older adults exhibited greater activation than younger adults in several regions that were unrelated to behavioral performance. Our results suggest that as we age, brain-behavior relations decline, and there is an increased reliance on both language-specific and domain-general brain regions that are seen most prominently during phonological processing. In contrast, the core semantic system continues to be engaged throughout the life span, even in the presence of task-irrelevant information.
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Keyword:
Adult; Age Factors; Aged; Aging; Brain Mapping; Cerebral Cortex; Female; Humans; Language; Magnetic Resonance Imaging; Male; Middle Aged; Pattern Recognition; Phonetics; Psycholinguistics; Semantics; Visual; Young Adult
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URL: https://doi.org/10.3758/s13415-018-00671-2 https://hdl.handle.net/10161/22528
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Influence of encoding difficulty, word frequency, and phonological regularity on age differences in word naming.
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Infant and Toddler Child-Care Quality and Stability in Relation to Proximal and Distal Academic and Social Outcomes.
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Age-related differences in the neural bases of phonological and semantic processes.
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Age-related differences in resolving semantic and phonological competition during receptive language tasks.
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Predictive Neural Computations Support Spoken Word Recognition: Evidence from MEG and Competitor Priming. ...
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Sustained neural rhythms reveal endogenous oscillations supporting speech perception. ...
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Language networks in aphasia and health: A 1000 participant activation likelihood estimation meta-analysis. ...
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Next-gen sequencing identifies non-coding variation disrupting miRNA-binding sites in neurological disorders
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Validation of the Portuguese version of the Evidence-Based Practice Questionnaire
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A Bayesian optimization approach for rapidly mapping residual network function in stroke.
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Predictive Neural Computations Support Spoken Word Recognition: Evidence from MEG and Competitor Priming.
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Parental Perceptions and Decisions Regarding Maintaining Bilingualism in Autism.
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DYT-TUBB4A (DYT4 Dystonia): New Clinical and Genetic Observations.
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In: Neurology, vol. 96, no. 14, pp. e1887-e1897 (2021)
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