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@ARTICLE{Alexandros:1034748,
author = {Alexandros, Boulakis Paradeisios and John, Simos Nicholas
and Stefania, Zoi and Sepehr, Mortaheb and Christina,
Schmidt and Federico, Raimondo and Athena, Demertzi},
title = {{V}ariations of autonomic arousal mediate the reportability
of mind-blanking occurrences},
journal = {bioRxiv beta},
address = {Cold Spring Harbor},
publisher = {Cold Spring Harbor Laboratory, NY},
reportid = {FZJ-2024-07505},
year = {2024},
abstract = {Mind-blanking (MB) is the inability to report mental events
during unconstraint thinking. Previous work shows that MB is
linked to decreased levels of cortical arousal, indicating
dominance of cerebral mechanisms when reporting mental
states. What remains inconclusive is whether MB can also
ensue from autonomic arousal manipulations, pointing to the
implication of peripheral physiology to mental events. Using
experience-sampling, neural, and physiological measurements
in 26 participants, we first show that MB was reported more
frequently in low arousal conditions, elicited by sleep
deprivation. Also, there was partial evidence for a higher
number of MB reports in high arousal conditions, elicited by
intense physical exercise. Transition probabilities revealed
that, after sleep deprivation, mind-wandering was more
likely to be followed by MB and less likely to be followed
by more mind-wandering reports. Using classification
schemes, we show higher performance of a balanced random
forest classifier trained on both neural and physiological
markers in comparison to performance when solely neural or
physiological were used. Collectively, we show that both
cortical and autonomic arousal affect MB report occurrences.
Our results establish that MB is supported by combined
brain-body configurations, and, by linking mental and
physiological states they pave the way for novel, embodied
accounts of spontaneous thinking.},
cin = {INM-7},
ddc = {570},
cid = {I:(DE-Juel1)INM-7-20090406},
pnm = {5251 - Multilevel Brain Organization and Variability
(POF4-525)},
pid = {G:(DE-HGF)POF4-5251},
typ = {PUB:(DE-HGF)25},
doi = {10.1101/2024.03.26.586648},
url = {https://juser.fz-juelich.de/record/1034748},
}