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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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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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Influence of encoding difficulty, word frequency, and phonological regularity on age differences in word naming.
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Abstract:
It is presently unclear as to why older adults take longer than younger adults to recognize visually presented words. To examine this issue in more detail, the authors conducted two word-naming studies (Experiment 1: 20 older adults and 20 younger adults; Experiment 2: 60 older adults and 60 younger adults) to determine the relative effects of orthographic encoding (case type), lexical access (word frequency), and phonological regularity (regular vs. irregular phonology). The hypothesis was that older adults attempt to compensate for sensory and motor slowing by using progressively larger perceptual units (holistic encoding). However, if forced to use smaller perceptual units (e.g., by using mixed-case presentation), it was predicted that older adults would be particularly challenged. Older adults did show larger case-mixing effects than younger adults (suggesting that older adults' performances were especially poor when they were forced to use smaller perceptual units), but there were no age differences in word frequency or phonological regularity even though both age groups showed main effects for these variables. These results suggest that lexical access skill remains stable in the addressed (orthographic/semantic) and assembled (phonological) routes over the life span, but that older adults slow down in recognizing words because it takes them longer to normalize (perceptually "clean up") noisier sensory information.
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Keyword:
80 and over; Adolescent; Adult; Aged; Aging; Attention; Comprehension; Educational Status; Female; Humans; Male; Middle Aged; Pattern Recognition; Phonetics; Psychology; Reaction Time; Reading; Recognition; Semantics; Verbal Behavior; Verbal Learning; Visual; Vocabulary; Young Adult
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URL: https://hdl.handle.net/10161/22543
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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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The Visual Word Form Area compensates for auditory working memory dysfunction in schizophrenia.
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In: Scientific reports, vol 10, iss 1 (2020)
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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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