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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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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.
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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
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URL: https://hdl.handle.net/10161/22534
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Transposed letter priming effects and allographic variation in Arabic: Insights from lexical decision and the same-different task. ...
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Transposed letter priming effects and allographic variation in Arabic: Insights from lexical decision and the same-different task.
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Language lateralisation measured across linguistic and national boundaries.
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In: Cortex; a journal devoted to the study of the nervous system and behavior, vol. 111, pp. 134-147 (2019)
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Learning nonwords: the Hebb repetition effect as a model of word learning. ...
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Semantic and phonological schema influence spoken word learning and overnight consolidation. ...
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Semantic and phonological schema influence spoken word learning and overnight consolidation.
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Learning nonwords: the Hebb repetition effect as a model of word learning.
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Co-occurrence frequency evaluated with large language corpora boosts semantic priming effects
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In: Quarterly journal of experimental psychology (2006) ; https://hal.univ-lille.fr/hal-01911765 ; Quarterly journal of experimental psychology (2006), 2017, 70 (9), pp.1922--1934. ⟨10.1080/17470218.2016.1215479⟩ (2017)
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Tone Attrition in Mandarin Speakers of Varying English Proficiency.
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In: Journal of speech, language, and hearing research : JSLHR, vol 60, iss 2 (2017)
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Online neural monitoring of statistical learning.
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In: Brain and Mind Institute Researchers' Publications (2017)
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The ERP signature of the contextual diversity effect in visual word recognition
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Frequency and predictability effects on event-related potentials during reading
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Neural Measures Reveal Implicit Learning during Language Processing.
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In: Brain and Mind Institute Researchers' Publications (2016)
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Acquisition of Novel Traces in Short-term Implicit Memory: Priming for Illegal Nonwords and New Associations
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In: Memory and Cognition (2015)
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Acquisition of Novel Traces in Short-term Implicit Memory: Priming for Illegal Nonwords and New Associations
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In: Memory and Cognition (2015)
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What do you mean by that?! An electrophysiological study of emotional and attitudinal prosody
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