Clinical Psychopharmacology and Neuroscience 2019; 17(4): 509-516  
Altered Auditory P300 Performance in Parents with Attention Deficit Hyperactivity Disorder Offspring
Mei Hung Chi1, Ching-Lin Chu1,2,3, I Hui Lee1, Yi-Ting Hsieh1, Ko Chin Chen1, Po See Chen1,3, Yen Kuang Yang1,3,4
1Department of Psychiatry, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, 2Department of Educational Psychiatry & Counseling, National Pingtung University, Pingtung, 3Institute of Behavioral Medicine, College of Medicine, National Cheng Kung University, Tainan, 4Department of Psychiatry, National Cheng Kung University Hospital, Dou-Liou Branch, Yunlin, Taiwan
Correspondence to: Yen Kuang Yang
Department of Psychiatry, National Cheng Kung University Hospital, 138 Sheng Li Road, North Dist., Tainan 70403, Taiwan
E-mail: ykyang@mail.ncku.edu.tw
ORCID: https://orcid.org/0000-0001-9355-9636
Received: January 23, 2019; Revised: May 2, 2019; Accepted: June 23, 2019; Published online: November 30, 2019.
© The Korean College of Neuropsychopharmacology. All rights reserved.

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Objective: Altered event-related potential (ERP) performances have been noted in attention deficit hyperactivity disorder (ADHD) patients and reflect neurocognitive dysfunction. Whether these ERP alterations and correlated dysfunctions exist in healthy parents with ADHD offspring is worth exploring.
Methods: Thirteen healthy parents with ADHD offspring and thirteen healthy controls matched for age, sex and years of education were recruited. The auditory oddball paradigm was used to evaluate the P300 wave complex of the ERP, and the Wechsler Adult Intelligence Scale-Revised, Wisconsin Card Sorting Test, and continuous performance test were used to measure neurocognitive performance.
Results: Healthy parents with ADHD offspring had significantly longer auditory P300 latency at Fz than control group. However, no significant differences were found in cognitive performance.
Conclusion: The presence of a subtle alteration in electro-neurophysiological activity without explicit neurocognitive dysfunction suggests potential candidate of biological marker for parents with ADHD offspring.
Keywords: Attention deficit disorder with hyperactivity; Cognition; Evoked potentials; P300; Parents.


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