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Peripheral hypoarousal but not preparation-vigilance impairment endures in adhd remission

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Objective: This study investigates whether impairments associated with persistent ADHD—impaired attention allocation (P3 amplitude), peripheral hypoarousal (skin conductance level [SCL]), and adjustment in preparatory state (contingent negative variation [CNV])—reflect enduring deficits unrelated to...

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Bibliographic Details
Main Authors: James, Sarah-Naomi (Author) , Brandeis, Daniel (Author) , Banaschewski, Tobias (Author)
Format: Article (Journal)
Language:English
Published: March 31, 2017
In: Journal of attention disorders

ISSN:1557-1246
DOI:10.1177/1087054717698813
Online Access:Verlag, Volltext: http://dx.doi.org/10.1177/1087054717698813
Verlag, Volltext: https://doi.org/10.1177/1087054717698813
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Author Notes:Sarah-Naomi James, Celeste H.M. Cheung, Anna-Sophie Rommel, Gráinne McLoughlin, Daniel Brandeis, Tobias Banaschewski, Philip Asherson, and Jonna Kuntsi
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Summary:Objective: This study investigates whether impairments associated with persistent ADHD—impaired attention allocation (P3 amplitude), peripheral hypoarousal (skin conductance level [SCL]), and adjustment in preparatory state (contingent negative variation [CNV])—reflect enduring deficits unrelated to ADHD outcome or are markers of ADHD remission. Method: Young people with childhood ADHD (73 persisters and 18 remitters) and 144 controls were compared on neurophysiological measures during two conditions (baseline and fast-incentive) of a four-choice reaction time task. Results: ADHD remitters differed from persisters, and were indistinguishable from controls, on baseline P3 amplitude and fast-incentive CNV amplitude (p ≤ .05). ADHD remitters differed from controls (p ≤ .01), and were indistinguishable from persisters (p > .05), on baseline SCL. Conclusion: Preparation-vigilance measures were markers of ADHD remission, confirming previous findings with other measures. Yet, SCL-measured peripheral hypoarousal emerges as an enduring deficit unrelated to ADHD improvement. Future studies should explore potential compensatory mechanisms that enable efficient preparation-vigilance processes in ADHD remitters.
Item Description:First published March 31, 2017
Gesehen am 10.07.2018
Physical Description:Online Resource
ISSN:1557-1246
DOI:10.1177/1087054717698813

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