Professor Emeritus
College of Medicine
Department of Psychiatry and Behavioral Health
Nisonger Center
Nisonger Dual Diagnosis Clinic


General Research: Dr. Arnold’s research focuses on new drug development and alternative and complementary treatments for autism and ADHD. His research includes aromatic essential oil therapy for autism spectrum disorder, omega-3 fatty acids for mood disorders, neurofeedback for ADHD, nutrition and mental health, and clinical trials.

Clinical Interests: Aromatic essential oil therapy and autism spectrum disorder, omega-3 fatty acids and mood disorders, neurofeedback and ADHD, nutrition and mental health, clinical trials, new drug development, alternative and complementary treatments.

PubMed Articles

Research Techniques: Clinical trials

Current Research Projects:
International Collaborative ADHD Neurofeedback (ICAN) study
Essential Oils for Quality of Life in Autism
New long-acting medication for ADHD

Active Funding:

Selected Publications: 260 articles, 70 chapters, 9 books

Current Staff:

Jill Hollway, PhD, research scientist
Jessica Hollway, MD, child/adolescent psychiatrist
Craig Williams, MD, child/adolescent psychiatrist
Rachel Bergman, coordinator
Taylor Wong, coordinator

Education and Training:

MD: The Ohio State University College of Medicine, Summa cum laude
MEd: Johns Hopkins Evening College

Internship: University of Oregon
Residency: Psychiatry, Johns Hopkins University
Child Psychiatry Residency, Johns Hopkins University 

Editorial Activities:

JAACAP - Reviewer
J. Attn. Disorders - Reviewer
J. Child & Adolescent Psychopharmacology - Reviewer
JAMA Psychiatry - Reviewer


1963 C.V. Mosby Book Award
1969 Invited to join Phi Delta Kappa, professional education fraternity
1974 Initiated into Phi Kappa Phi Honor Society
1985 Listed in Marquis Who's Who; 1988 Listed in International Who's Who in Medicine
1992 Psychiatrist of the Year, Psychiatric Society of Central Ohio
1996 NIH Director's Award for work on NIMH Multimodal Treatment Study of Children with ADHD
2002 Award of Excellence as researcher, teacher, clinician & administrator from Child and Adolescent Psychiatrists of Central Ohio
2014 CHADD Hall of Fame
2015 Research Award Ohio Psychiatric Physicians Research Foundation

My Clinical Bio

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