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Neural Basis for Producing Temporal Order Shigeru Kitazawa 1 1Graduate School of Frontier Biosciences, Osaka University Keyword: こころの時間 , A系列 , B系列 , 楔前部 , α波 , mental time , A series , B series , precuneus , alpha rhythm pp.1203-1211
Published Date 2017/11/1
DOI https://doi.org/10.11477/mf.1416200896
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Abstract

It has been proposed that a position in time can be discriminated in two ways. First, each position is either past, present, or future (A series). Second, each position is either before or after another (B series). In this review, we aim to infer how the two series are represented in the brain on the basis of findings from clinical, neurophysiological, and neuroimaging studies. We suggest that the precuneus and posterior cingulate cortex are critically involved in the A series. In the B series, we suggest that a group of events are represented in space around the intraparietal cortex and are combined with the temporal directional cue provided by the motion signals in the left temporo-parietal junction. We also review a report that states that the B series is affected by alpha rhythm, the source of which is located in the precuneus. Taken together, we suggest that the precuneus and the regions adjacent to it play key roles in representing the A and B series.


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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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