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A functional dissociation of the left frontal regions that contribute to single word production tasks
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In: Neuroimage (2021)
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Lesions that do or do not impair digit span: a study of 816 stroke survivors
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In: Brain Commun (2021)
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Damage to Broca’s area does not contribute to long-term speech production outcome after stroke
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In: Brain (2021)
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Brain regions that support accurate speech production after damage to Broca’s area
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In: Brain Commun (2021)
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Right cerebral motor areas that support accurate speech production following damage to cerebellar speech areas
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In: Neuroimage Clin (2021)
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Research on bilingualism as discovery science
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In: Brain Lang (2021)
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A Data-Based Approach for Selecting Pre- and Intra-Operative Language Mapping Tasks
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In: Front Neurosci (2021)
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Neuromodulatory Control and Language Recovery in Bilingual Aphasia: An Active Inference Approach
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In: Behav Sci (Basel) (2020)
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Abstract:
Understanding the aetiology of the diverse recovery patterns in bilingual aphasia is a theoretical challenge with implications for treatment. Loss of control over intact language networks provides a parsimonious starting point that can be tested using in-silico lesions. We simulated a complex recovery pattern (alternate antagonism and paradoxical translation) to test the hypothesis—from an established hierarchical control model—that loss of control was mediated by constraints on neuromodulatory resources. We used active (Bayesian) inference to simulate a selective loss of sensory precision; i.e., confidence in the causes of sensations. This in-silico lesion altered the precision of beliefs about task relevant states, including appropriate actions, and reproduced exactly the recovery pattern of interest. As sensory precision has been linked to acetylcholine release, these simulations endorse the conjecture that loss of neuromodulatory control can explain this atypical recovery pattern. We discuss the relevance of this finding for other recovery patterns.
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Keyword:
Article
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URL: https://doi.org/10.3390/bs10100161 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7588909/ http://www.ncbi.nlm.nih.gov/pubmed/33096824
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The Flipped Classroom: An Innovative Approach to Medical Education in Ophthalmology
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In: J Acad Ophthalmol (2020)
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Kagta Iwitkekne Parikwaki - Parantunka ; Dicionário Palikur-Português e Vocabulário Português-Palikur
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Literacy for the 21st Century: A Balanced Approach, 3rd edition
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Brief Stimulus Exposure Fully Remediates Temporal Processing Deficits Induced by Early Hearing Loss
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Phase Relationships of Hydrous Alkalic Magmas at High Pressures: Production of Nepheline Hawaiitic to Mugearitic liquids by Amhibole-Dominated Fractional Crystallization within the Lithospheric Mantle
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In: Journal of Petrology (2015)
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Phase Relationships of Hydrous Alkalic Magmas at High Pressures: Production of Nepheline Hawaiitic to Mugearitic liquids by Amhibole-Dominated Fractional Crystallization within the Lithospheric Mantle
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In: Journal of Petrology (2015)
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Dissociating the semantic function of two neighbouring subregions in the left lateral anterior temporal lobe
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Comparing language outcomes in monolingual and bilingual stroke patients
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Matrix analytic methods with Markov decision processes for hydrological applications.
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Dissecting the functional anatomy of auditory word repetition
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Sensory-to-motor integration during auditory repetition: a combined fMRI and lesion study
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