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Revealing the differences of the representations of sounds from different directions in the human brain using
Yaping Liang1, Baolin Liu2, Xianglin Li3
1School of Computer and Communication Engineering, University of Science and Technology Beijing, Beijing, 100083, PR China; College of Intelligence and Computing, Tianjin University, Tianjin, 300350, PR China.
Abstract:
Many studies have focused on the processing mechanism of sound directions in the human brain, however, as far as we know, it remains unclear whether the representations of sounds from different directions are different. In the present study, 28 subjects were scanned while listening to sounds from different directions. We used the whole-brain functional connectivity (FC) analysis to explore which brain regions had significant changes. Our results revealed that sounds from different directions affected the FC in the widely distributed regions. Importantly, all regions showed significant differences in FC between the central and eccentric directions, while few regions showed a difference between the left and right directions. These findings revealed the differences in the representations of sounds from different directions.
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