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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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Abstract:
The observation of other people’s actions recruits a network of areas including the inferior frontal gyrus (IFG), the inferior parietal lobule (IPL), and posterior middle temporal gyrus (pMTG). These regions have been shown to be activated through both visual and auditory inputs. Intriguingly, previous studies found no engagement of IFG and IPL for deaf participants during non-linguistic action observation, leading to the proposal that auditory experience or sign language usage might shape the functionality of these areas. To understand which variables induce plastic changes in areas recruited during the processing of other people’s actions, we examined the effects of tasks (action understanding and passive viewing) and effectors (arm actions vs. leg actions), as well as sign language experience in a group of 12 congenitally deaf signers and 13 hearing participants. In Experiment 1, we found a stronger activation during an action recognition task in comparison to a low-level visual control task in IFG, IPL and pMTG in both deaf signers and hearing individuals, but no effect of auditory or sign language experience. In Experiment 2, we replicated the results of the first experiment using a passive viewing task. Together, our results provide robust evidence demonstrating that the response obtained in IFG, IPL, and pMTG during action recognition and passive viewing is not affected by auditory or sign language experience, adding further support for the supra-modal nature of these regions.
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Keyword:
Neuroscience
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URL: https://doi.org/10.3389/fnhum.2016.00094 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4781852/
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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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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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