Journal article
Sex differences in adolescent ADHD: Findings from concurrent EEG and EDA
Clinical Neurophysiology, Vol.116(6), pp.1455-1463
2005
Abstract
Objective: Attention Deficit Hyperactivity Disorder (ADHD) occurs more frequently in male children and adolescents than in females, with a ratio of approximately 3 to 1. We determined whether psychophysiological differences are associated with the expression of ADHD in males and females, using simultaneously recorded electroencephalography (EEG) and electrodermal activity (EDA). Methods: Quantitative EEG and EDA measures were acquired simultaneously and continuously (2 min) during an eyes closed resting condition for 70 ADHD adolescents (48 males, 22 females) and their age- and sex-matched controls. Results: Males and females with ADHD were differentiated by both EEG theta activity and EDA. ADHD males showed increased theta (widespread), whereas ADHD females showed a localised frontal enhancement of theta with reduced rate of EDA decrement. These sex differences were unrelated to ADHD subtype. Conclusions: These findings suggest that different psychophysiological processes may underlie ADHD in each sex. The profile of theta enhancement in ADHD males is consistent with a developmental deviation model of ADHD, whereas ADHD in females may be better understood within an arousal model, which emphasizes both central and autonomic function. Significance: These findings highlight the potential for concurrent EDA measures to inform EEG studies of ADHD, particularly in regard to sex differences. © 2005 International Federation of Clinical Neurophysiology. Published by Elsevier Ireland Ltd. All rights reserved.
Details
- Title
- Sex differences in adolescent ADHD: Findings from concurrent EEG and EDA
- Authors
- Daniel F Hermens (Author) - University of SydneyM R Kohn (Author) - University of SydneyS D Clarke (Author) - University of SydneyE Gordon (Author) - University of SydneyL M Williams (Author) - University of Sydney
- Publication details
- Clinical Neurophysiology, Vol.116(6), pp.1455-1463
- Publisher
- Elsevier Ireland Ltd.
- Date published
- 2005
- DOI
- 10.1016/j.clinph.2005.02.012
- ISSN
- 1388-2457
- Organisation Unit
- University of the Sunshine Coast, Queensland; Thompson Institute
- Language
- English
- Record Identifier
- 99450475402621
- Output Type
- Journal article
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- Domestic collaboration
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- Clinical Neurology
- Neurosciences
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Source: InCites