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Cognitive load and autonomic response patterns under negative priming demand in depersonalization‐derealization disorder

Overview of attention for article published in European Journal of Neuroscience, February 2016
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Title
Cognitive load and autonomic response patterns under negative priming demand in depersonalization‐derealization disorder
Published in
European Journal of Neuroscience, February 2016
DOI 10.1111/ejn.13183
Pubmed ID
Authors

Erwin Lemche, Mauricio Sierra-Siegert, Anthony S David, Mary L Phillips, David Gasston, Steven C R Williams, Vincent P Giampietro

Abstract

Previous studies have yielded evidence for cognitive processing abnormalities and alterations of autonomic functioning in Depersonalization-Derealization Disorder (DPRD). However multimodal neuroimaging and psychophysiology studies have not yet been conducted to test for functional and effective connectivity under cognitive stress in DPRD patients. DPRD and non-referred control (NC) subjects underwent a combined Stroop/Negative Priming task, and the neural correlates of Stroop Interference Effect, Negative Priming Effect, error rates, cognitive load span, and average amplitude of skin conductance responses were ascertained for both groups. Evoked hemodynamic responses for basic Stroop/Negative Priming activations were compared. For basic Stroop to neutral contrast, DPRD patients differed in the location (inferior vs superior lobule) of the parietal region involved, but showed similar activations in the left frontal region. In addition, DPRD patients also co-activated the dorsomedial prefrontal cortex (DMPFC BA9) and PCC (BA31), which were also found to be the main between-group difference regions. These regions furthermore showed connectivity with frequency of depersonalization states. Evoked hemodynamic responses drawn from ROIs indicated significant between-group differences in 30-40% of time points. Brain-behaviour correlations differed mainly in laterality yet only slightly in regions. A reversal of autonomic patterning became evident in DPRD patients for cognitive load spans, indicating less effective arousal suppression under cognitive stress: DPRD patients showed positive associations of cognitive load with autonomic responses, whereas controls exhibit respective inverse association. Overall, the results of the present study show only minor executive cognitive peculiarities, but further support the notion of abnormalities in autonomic functioning in DPRD patients. This article is protected by copyright. All rights reserved.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 70 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Germany 1 1%
Unknown 69 99%

Demographic breakdown

Readers by professional status Count As %
Student > Master 15 21%
Student > Ph. D. Student 12 17%
Researcher 7 10%
Student > Bachelor 7 10%
Other 5 7%
Other 9 13%
Unknown 15 21%
Readers by discipline Count As %
Psychology 22 31%
Neuroscience 10 14%
Medicine and Dentistry 7 10%
Nursing and Health Professions 3 4%
Engineering 2 3%
Other 7 10%
Unknown 19 27%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 16 February 2016.
All research outputs
#19,985,639
of 24,558,777 outputs
Outputs from European Journal of Neuroscience
#5,497
of 6,057 outputs
Outputs of similar age
#304,377
of 413,037 outputs
Outputs of similar age from European Journal of Neuroscience
#69
of 78 outputs
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