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A Bayesian optimization approach for rapidly mapping residual network function in stroke. ...
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A Bayesian optimization approach for rapidly mapping residual network function in stroke
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In: Brain (2021)
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A Bayesian optimization approach for rapidly mapping residual network function in stroke.
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The psychological correlates of distinct neural states occurring during wakeful rest
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In: ISSN: 2045-2322 ; EISSN: 2045-2322 ; Scientific Reports ; https://hal.archives-ouvertes.fr/hal-03052796 ; Scientific Reports, Nature Publishing Group, 2020, 10 (1), pp.21121. ⟨10.1038/s41598-020-77336-z⟩ (2020)
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The psychological correlates of distinct neural states occurring during wakeful rest.
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The psychological correlates of distinct neural states occurring during wakeful rest
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In: Sci Rep (2020)
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Stimulating Multiple-Demand Cortex Enhances Vocabulary Learning
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Domain-general subregions of the medial prefrontal cortex contribute to recovery of language after stroke
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Stimulating Multiple-Demand Cortex Enhances Vocabulary Learning
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Network dysfunction predicts speech production after left hemisphere stroke
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Convergent and divergent fMRI responses in children and adults to increasing language production demands
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Convergent and Divergent fMRI Responses in Children and Adults to Increasing Language Production Demands
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Convergent and Divergent fMRI Responses in Children and Adults to Increasing Language Production Demands
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Semantic retrieval during overt picture description: Left anterior temporal or the parietal lobe?
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Cognitive control and its impact on recovery from aphasic stroke
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Overlapping Networks Engaged during Spoken Language Production and Its Cognitive Control
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Abstract:
Spoken language production is a complex brain function that relies on large-scale networks. These include domain-specific networks that mediate language-specific processes, as well as domain-general networks mediating top-down and bottom-up attentional control. Language control is thought to involve a left-lateralized fronto-temporal-parietal (FTP) system. However, these regions do not always activate for language tasks and similar regions have been implicated in nonlinguistic cognitive processes. These inconsistent findings suggest that either the left FTP is involved in multidomain cognitive control or that there are multiple spatially overlapping FTP systems. We present evidence from an fMRI study using multivariate analysis to identify spatiotemporal networks involved in spoken language production in humans. We compared spoken language production (Speech) with multiple baselines, counting (Count), nonverbal decision (Decision), and “rest,” to pull apart the multiple partially overlapping networks that are involved in speech production. A left-lateralized FTP network was activated during Speech and deactivated during Count and nonverbal Decision trials, implicating it in cognitive control specific to sentential spoken language production. A mirror right-lateralized FTP network was activated in the Count and Decision trials, but not Speech. Importantly, a second overlapping left FTP network showed relative deactivation in Speech. These three networks, with distinct time courses, overlapped in the left parietal lobe. Contrary to the standard model of the left FTP as being dominant for speech, we revealed a more complex pattern within the left FTP, including at least two left FTP networks with competing functional roles, only one of which was activated in speech production.
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Keyword:
Articles
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URL: http://www.ncbi.nlm.nih.gov/pubmed/24966373 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4069351 https://doi.org/10.1523/JNEUROSCI.0428-14.2014
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Sensory-Motor Integration during Speech Production Localizes to Both Left and Right Plana Temporale
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Cognitive control and its impact on recovery from aphasic stroke
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