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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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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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Lexical Frequency Affects Functional Activation and Accuracy in Picture Naming among Older and Younger Adults
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In: Psychol Aging (2020)
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Neural sensitivity to phonological characteristics is stable across the lifespan
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In: Neuroimage (2020)
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Investigating the effects of phonological neighbours on word retrieval and phonetic variation in word naming and picture naming paradigms ...
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Investigating the effects of phonological neighbours on word retrieval and phonetic variation in word naming and picture naming paradigms ...
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White Matter Disconnection is Related to Age-Related Phonological Deficits
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In: Brain Imaging Behav (2019)
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Investigating the effects of phonological neighbors on word retrieval and phonetic variation in word naming and picture naming paradigms
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In: Lang Cogn Neurosci (2019)
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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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Abstract:
Language production and cognitive control are complex processes that involve distinct, yet interacting, brain networks. However, the extent to which these processes interact and their neural bases has not been thoroughly examined. Here we investigated the neural and behavioral bases of language production and cognitive control, via a phonological Go No-Go picture naming task. Naming difficulty and cognitive control demands (i.e., conflict monitoring and response inhibition) were manipulated by varying the proportion of naming trials (Go trials) and inhibition trials (No-Go trials) across task runs. The results demonstrated that as task demands increased, participants’ behavioral performance declined (i.e., longer reaction times on naming trials, higher commission error rates on inhibition trials) while brain activation generally increased. Increased activation was found not only in within the language network, but also in domain-general control regions. Additionally, right superior and inferior frontal and left supramarginal gyri were sensitive to increased task difficulty during both language production and response inhibition. We also found both positive and negative brain-behavior correlations. Most notably, increased activation in sensory-motor regions, such as precentral and postcentral gyri, was associated with better behavioral performance, in both successful picture naming and successful inhibition. Moreover, comparing the strength of correlations across conditions indicated that the brain-behavior correlations in sensory-motor regions that were associated with improved performance became stronger as task demands increased. Overall, our results suggest that cognitive control demands affect language production, and that successfully coping with increases in task difficulty relies on both language specific and domain-general cognitive control regions.
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6301137/ https://doi.org/10.3758/s13415-018-0616-2 http://www.ncbi.nlm.nih.gov/pubmed/29923097
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Task difficulty modulates age-related differences in the behavioral and neural bases of language production
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Changes in White-Matter Connectivity in Late Second Language Learners: Evidence from Diffusion Tensor Imaging.
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In: Frontiers in psychology, vol 8, iss NOV (2017)
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Changes in White-Matter Connectivity in Late Second Language Learners: Evidence from Diffusion Tensor Imaging
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Age-related differences in resolving semantic and phonological competition during receptive language tasks
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Written distractor words influence brain activity during overt picture naming
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Age-related differences in the neural bases of phonological and semantic processes
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Electrophysiological differentiation of phonological and semantic integration in word and sentence contexts
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