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Domain-general subregions of the medial prefrontal cortex contribute to recovery of language after stroke
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Task-induced brain activity in aphasic stroke patients: what is driving recovery?
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Cognitive control and its impact on recovery from aphasic stroke
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Cognitive control and its impact on recovery from aphasic stroke
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Task-induced brain activity in aphasic stroke patients: what is driving recovery?
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The contribution of the inferior parietal cortex to spoken language production
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Hemispheric Asymmetries in Speech Perception: Sense, Nonsense and Modulations
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An Investigation of Twenty/20 Vision in Reading
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Abstract:
One functional anatomical model of reading, drawing on human neuropsychological and neuroimaging data, proposes that a region in left ventral occipitotemporal cortex (vOT) becomes, through experience, specialized for written word perception. We tested this hypothesis by presenting numbers in orthographical and digital form with two task demands, phonological and numerical. We observed a main effect of task on left vOT activity but not stimulus type, with increased activity during the phonological task that was also associated with increased activity in the left inferior frontal gyrus, a region implicated in speech production. Region-of-interest analysis confirmed that there was equal activity for orthographical and digital written forms in the left vOT during the phonological task, despite greater visual complexity of the orthographical forms. This evidence is incompatible with a predominantly feedforward model of written word recognition that proposes that the left vOT is a specialized cortical module for word recognition in literate subjects. Rather, the physiological data presented here fits better with interactive computational models of reading that propose that written word recognition emerges from bidirectional interactions between three processes: visual, phonological, and semantic. Further, the present study is in accord with others that indicate that the left vOT is a route through which nonlinguistic stimuli, perhaps high contrast two-dimensional objects in particular, gain access to a predominantly left-lateralized language and semantic system.
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Keyword:
Articles
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URL: https://doi.org/10.1523/JNEUROSCI.2740-11.2011 http://www.ncbi.nlm.nih.gov/pubmed/21994379 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6703380/
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A comparison of sensory-motor activity during speech in first and second languages
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Two Tongues, One Brain: Imaging Bilingual Speech Production
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The Contribution of the Parietal Lobes to Speaking and Writing
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The Contribution of the Parietal Lobes to Speaking and Writing
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The contribution of the parietal lobes to speaking and writing
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The Contribution of the Parietal Lobes to Speaking and Writing
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Lexical retrieval constrained by sound structure : the role of the left inferior frontal gyrus
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Temporal lobe regions engaged during normal speech comprehension
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Language systems in normal and aphasic human subjects: functional imaging studies and inferences from animal studies
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