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1
Age-related differences in the neural bases of phonological and semantic processes in the context of task-irrelevant information.
Truong, Trong-Kha; Johnson, Micah A; Madden, David J. - : Springer Science and Business Media LLC, 2021
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2
Age-related differences in the neural bases of phonological and semantic processes.
Burke, Deborah M; Diaz, Michele T; Madden, David J. - : MIT Press - Journals, 2021
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3
Age-related differences in resolving semantic and phonological competition during receptive language tasks.
Abstract: Receptive language (e.g., reading) is largely preserved in the aging brain, and semantic processes in particular may continue to develop throughout the lifespan. We investigated the neural underpinnings of phonological and semantic retrieval in older and younger adults during receptive language tasks (rhyme and semantic similarity judgments). In particular, we were interested in the role of competition on language retrieval and varied the similarities between a cue, target, and distractor that were hypothesized to affect the mental process of competition. Behaviorally, all participants responded faster and more accurately during the rhyme task compared to the semantic task. Moreover, older adults demonstrated higher response accuracy than younger adults during the semantic task. Although there were no overall age-related differences in the neuroimaging results, an Age×Task interaction was found in left inferior frontal gyrus (IFG), with older adults producing greater activation than younger adults during the semantic condition. These results suggest that at lower levels of task difficulty, older and younger adults engaged similar neural networks that benefited behavioral performance. As task difficulty increased during the semantic task, older adults relied more heavily on largely left hemisphere language regions, as well as regions involved in perception and internal monitoring. Our results are consistent with the stability of language comprehension across the adult lifespan and illustrate how the preservation of semantic representations with aging may influence performance under conditions of increased task difficulty.
Keyword: Adult; Aged; Aging; Brain; Brain Mapping; Comprehension; Female; Humans; Judgment; Language Tests; Magnetic Resonance Imaging; Male; Mental Recall; Middle Aged; Phonetics; Reaction Time; Semantics; Young Adult
URL: https://hdl.handle.net/10161/22534
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4
Lexical Frequency Affects Functional Activation and Accuracy in Picture Naming among Older and Younger Adults
In: Psychol Aging (2020)
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5
Neural sensitivity to phonological characteristics is stable across the lifespan
In: Neuroimage (2020)
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6
Investigating the effects of phonological neighbours on word retrieval and phonetic variation in word naming and picture naming paradigms ...
Haoyun Zhang; Carlson, Matthew T.; Diaz, Michele T.. - : Taylor & Francis, 2019
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7
Investigating the effects of phonological neighbours on word retrieval and phonetic variation in word naming and picture naming paradigms ...
Haoyun Zhang; Carlson, Matthew T.; Diaz, Michele T.. - : Taylor & Francis, 2019
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8
White Matter Disconnection is Related to Age-Related Phonological Deficits
In: Brain Imaging Behav (2019)
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9
Investigating the effects of phonological neighbors on word retrieval and phonetic variation in word naming and picture naming paradigms
In: Lang Cogn Neurosci (2019)
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10
Task difficulty modulates brain-behavior correlations in language production and cognitive control: Behavioral and fMRI evidence from a phonological Go No-Go picture naming paradigm
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11
Task difficulty modulates age-related differences in the behavioral and neural bases of language production
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12
Changes in White-Matter Connectivity in Late Second Language Learners: Evidence from Diffusion Tensor Imaging.
In: Frontiers in psychology, vol 8, iss NOV (2017)
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13
Changes in White-Matter Connectivity in Late Second Language Learners: Evidence from Diffusion Tensor Imaging
Rossi, Eleonora; Cheng, Hu; Kroll, Judith F.. - : Frontiers Media S.A., 2017
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14
Age-related differences in resolving semantic and phonological competition during receptive language tasks
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15
Written distractor words influence brain activity during overt picture naming
Diaz, Michele T.; Hogstrom, Larson J.; Zhuang, Jie. - : Frontiers Media S.A., 2014
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16
Age-related differences in the neural bases of phonological and semantic processes
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17
Electrophysiological differentiation of phonological and semantic integration in word and sentence contexts
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