2019
DOI: 10.1155/2019/7084186
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Covert Intention to Answer to Self-Referential Questions Is Represented in Alpha-Band Local and Interregional Neural Synchronies

Abstract: The most fundamental and simplest intention for interpersonal communication may be the intentions to answer “yes” or “no” to a question, based on a binary decision. However, the neural mechanism of this type of intention has not been investigated in detail. The main purpose of this study was to investigate cortical processing of the “yes/no” intentions to answer self-referential questions. Multichannel electroencephalograms (EEGs) were recorded while covertly answering self-referential questions with either “y… Show more

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Cited by 1 publication
(5 citation statements)
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References 50 publications
(84 reference statements)
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“…The higher alpha power is attributed to active inhibitory control to block incoming stimuli during WM retention, for efficient cortical information processing [38, 39, 42, 43]. Our results showed higher parietal alpha power for “no” compared to “yes,” which may imply higher cognitive load during retaining “no” in minds compared to “yes” [2]. The greater increase in alpha-band activity for “no” may reflect the increased WM load during the intention retention.…”
Section: Discussionmentioning
confidence: 82%
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“…The higher alpha power is attributed to active inhibitory control to block incoming stimuli during WM retention, for efficient cortical information processing [38, 39, 42, 43]. Our results showed higher parietal alpha power for “no” compared to “yes,” which may imply higher cognitive load during retaining “no” in minds compared to “yes” [2]. The greater increase in alpha-band activity for “no” may reflect the increased WM load during the intention retention.…”
Section: Discussionmentioning
confidence: 82%
“…The useful features for the “yes/no” decoding in the alpha band were found to be concentrated in the parietal region at 800–1200 ms from the CSP algorithm. Recently, we showed that the alpha rhythms in the right parietal region are differentiated between the intentions to answers either “yes” or “no” in minds, presumably due to the difference in cognitive loads for the WM retention [2]. Several previous studies showed that the higher parietal alpha power reflects increased memory load [38, 39] or attentional demand [40, 41] during WM retention.…”
Section: Discussionmentioning
confidence: 99%
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