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Mechanisms of cortical reorganization underlying the enhancement of speech processing have been poorly investigated. In the present study, we addressed changes in functional and effective connectivity induced in subjects who learned to deliberately increase activation in the right inferior frontal gyrus (rIFG), and improved their ability to identify emotional intonations by using a real-time fMRI Brain-Computer Interface. At the beginning of their training process, we observed a massive connectivity of the rIFG to a widespread network of frontal and temporal areas, which decreased and lateralized to the right hemisphere with practice. Volitional control of activation strengthened connectivity of this brain region to the right prefrontal cortex, whereas training increased its connectivity to bilateral precentral gyri. These findings suggest that changes of connectivity in a functionally specific manner play an important role in the enhancement of speech processing. Also, these findings support previous accounts suggesting that motor circuits play a role in the comprehension of speech. 相似文献
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Lebuda Izabela Karwowski Maciej Galang Adrianne John R. Szumski Grzegorz Firkowska-Mankiewicz Anna 《Current psychology (New Brunswick, N.J.)》2021,40(8):3629-3638
Current Psychology - This article investigates how Big Five personality traits are related to creative achievements and lawbreaking behavior in a large sample (N = 1669) of Polish... 相似文献
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Theoretical Medicine and Bioethics - According to the mainstream position in the bioethical definition of death debate, death is to be equated with the cessation of an organism. Given such a... 相似文献
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