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Social and emotion dimensional organizations in the abstract semantic space: the neuropsychological evidence
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In: Sci Rep (2021)
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Representational similarity analysis reveals task-dependent semantic influence of the visual word form area
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Doctor, Teacher, and Stethoscope: Neural Representation of Different Types of Semantic Relations
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Neural representation of visual concepts in people born blind
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Domain Selectivity in the Parahippocampal Gyrus Is Predicted by the Same Structural Connectivity Patterns in Blind and Sighted Individuals
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The Left Fusiform Gyrus is a Critical Region Contributing to the Core Behavioral Profile of Semantic Dementia
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Areas Recruited during Action Understanding Are Not Modulated by Auditory or Sign Language Experience
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Reading Without Speech Sounds: VWFA and its Connectivity in the Congenitally Deaf
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Altered connectivity of the dorsal and ventral visual regions in dyslexic children: a resting-state fMRI study
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Abstract:
While there is emerging evidence from behavioral studies that visual attention skills are impaired in dyslexia, the corresponding neural mechanism (i.e., deficits in the dorsal visual region) needs further investigation. We used resting-state fMRI to explore the functional connectivity (FC) patterns of the left intraparietal sulcus (IPS) and the visual word form area (VWFA) in dyslexic children (N = 21, age mean = 12) and age-matched controls (N = 26, age mean = 12). The results showed that the left IPS and the VWFA were functionally connected to each other in both groups and that both were functionally connected to left middle frontal gyrus (MFG). Importantly, we observed significant group differences in FC between the left IPS and the left MFG and between the VWFA and the left MFG. In addition, the strengths of the identified FCs were significantly correlated with the score of fluent reading, which required obvious eye movement and visual attention processing, but not with the lexical decision score. We conclude that dyslexics have deficits in the network composed of the prefrontal, dorsal visual and ventral visual regions and may have a lack of modulation from the left MFG to the dorsal and ventral visual regions.
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Keyword:
Neuroscience
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4564758/ https://doi.org/10.3389/fnhum.2015.00495 http://www.ncbi.nlm.nih.gov/pubmed/26441595
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An fMRI Study of Grammatical Morpheme Processing Associated with Nouns and Verbs in Chinese
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Resting-State Functional Connectivity Patterns Predict Chinese Word Reading Competency
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