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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 Bayesian optimization approach for rapidly mapping residual network function in stroke. ...
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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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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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Language networks in aphasia and health: A 1000 participant activation likelihood estimation meta-analysis. ...
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A Bayesian optimization approach for rapidly mapping residual network function in stroke.
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Deformation-based shape analysis of the hippocampus in the semantic variant of primary progressive aphasia and Alzheimer's disease.
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More Than Smell-COVID-19 Is Associated With Severe Impairment of Smell, Taste, and Chemesthesis.
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In: Chemical senses, vol 45, iss 7 (2020)
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| 11 |
The Use of Technology for Communicating With Clinicians or Seeking Health Information in a Multilingual Urban Cohort: Cross-Sectional Survey.
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In: Journal of medical Internet research, vol 22, iss 4 (2020)
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The Use of Technology for Communicating With Clinicians or Seeking Health Information in a Multilingual Urban Cohort: Cross-Sectional Survey.
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In: Journal of medical Internet research, vol 22, iss 4 (2020)
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| 13 |
HIV and three dimensions of Wisdom: Association with cognitive function and physical and mental well-being: For: Psychiatry Research.
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Health comorbidities and cognitive abilities across the lifespan in Down syndrome. ...
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| 15 |
Prospective cohort study on the predictors of fall risk in 119 patients with bilateral vestibulopathy
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In: ISSN: 1932-6203 ; PLOS ONE, Vol. 15, No 3 (2020) P. e0228768 (2020)
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Health comorbidities and cognitive abilities across the lifespan in Down syndrome.
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| 17 |
Effect of Compression on Musical Sound Quality in Cochlear Implant Users
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In: Ear and Hearing, vol 40, iss 6 (2019)
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Thalamo-cortical network hyperconnectivity in preclinical progranulin mutation carriers.
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Thalamo-cortical network hyperconnectivity in preclinical progranulin mutation carriers.
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Food for thought: association between dietary tyrosine and cognitive performance in younger and older adults.
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In: Psychological research, vol 83, iss 6 (2019)
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