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The depersonalized brain : new evidence supporting a distinction between depersonalization and derealization from discrete patterns of autonomic suppression observed in a non-clinical sample

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Dewe, Hayley, Watson, Derrick G., Kessler, Klaus and Braithwaite, Jason J. (2018) The depersonalized brain : new evidence supporting a distinction between depersonalization and derealization from discrete patterns of autonomic suppression observed in a non-clinical sample. Consciousness and Cognition, 63 . pp. 29-46. doi:10.1016/j.concog.2018.06.008

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Official URL: https://doi.org/10.1016/j.concog.2018.06.008

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Abstract

Depersonalization and derealization are characterised by feelings of detachment from one’s bodily self / surroundings and a general emotional numbness. We explored predisposition to trait-based experiences of depersonalization / derealization-type experiences and autonomic arousal toward simulated body-threats, which were delivered to the participant’s own body (i.e. Self) and when observed being delivered to another individual (i.e. Other). Ninety participants took part in an “Implied Body-Threat Illusion” task (Dewe, Watson, & Braithwaite, 2016) and autonomic arousal was recorded via standardised skin conductance responses and finger temperature. Autonomic suppression in response to threats delivered to the Self correlated with increases in trait-based depersonalization-type experiences. In contrast, autonomic suppression for threats delivered to Others correlated with trait-based derealization-like experiences. Body-temperature and anticipatory arousal did not correlate reliably with predisposition to depersonalization- or derealization-type experiences. The theoretical implications of these findings are discussed in terms of a fronto-limbic autonomic suppression mechanism.

Item Type: Journal Article
Subjects: R Medicine > RC Internal medicine
Divisions: Faculty of Science > Psychology
Library of Congress Subject Headings (LCSH): Depersonalization, Galvanic skin response, Self-consciousness (Awareness)
Journal or Publication Title: Consciousness and Cognition
Publisher: Academic Press
ISSN: 1053-8100
Official Date: August 2018
Dates:
DateEvent
August 2018Published
18 June 2018Available
6 June 2018Accepted
Volume: 63
Page Range: pp. 29-46
DOI: 10.1016/j.concog.2018.06.008
Status: Peer Reviewed
Publication Status: Published
Publisher Statement: © 2018, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/.
Access rights to Published version: Restricted or Subscription Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
UNSPECIFIEDFundação Bialhttp://dx.doi.org/10.13039/501100005032
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