Position Title
Associate Member, Environmental Health Sciences Center
Dr. David Randal Hessel is a Professor in the Division of Clinical Psychiatry. His research focus is primarily on fragile X-associated disorders, such as fragile X syndrome and fragile X-associated tremor ataxia syndrome (FXTAS).
Positions at UC Davis
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Professor, Division of Clinical Psychiatry
Major Research Papers
Zafarullah M, Durbin-Johnson B, Fourie ES, Hessl DR, Rivera SM, Tassone F. Metabolomic Biomarkers Are Associated With Area of the Pons in Fragile X Premutation Carriers at Risk for Developing FXTAS. Front Psychiatry. 2021 Aug 16;12:691717. doi:10.3389/fpsyt.2021.691717. PMID:34483988.
Kaat AJ, McKenzie FJ, Shields RH, LaForte E, Coleman J, Michalak C, Hessl DR. Assessing processing speed among individuals with intellectual and developmental disabilities: A match-to-sample paradigm. Child Neuropsychol. 2022 Jan;28(1):1-13. doi:10.1080/09297049.2021.1938987. Epub 2021 Jun 14. PMID:34126855.
Hessl D, Libero L, Schneider A, Kerns C, Winder-Patel B, Heath B, Lee J, Coleman C, Sharma N, Solomon M, Nordahl CW, Amaral DG. Fear Potentiated Startle in Children With Autism Spectrum Disorder: Association With Anxiety Symptoms and Amygdala Volume. Autism Res. 2021 Mar;14(3):450-463. doi:10.1002/aur.2460. Epub 2020 Dec 29. PMID:33372389.
Solomon M, Gordon A, Iosif AM, Geddert R, Krug MK, Mundy P, Hessl D. Using the NIH Toolbox to Assess Cognition in Adolescents and Young Adults with Autism Spectrum Disorders. Autism Res. 2021 Mar;14(3):500-511. doi:10.1002/aur.2399. Epub 2020 Oct 2. PMID:33006263.
Westmark CJ, Kniss C, Sampene E, Wang A, Milunovich A, Elver K, Hessl D, Talboy A, Picker J, Haas-Givler B, Esler A, Gropman AL, Uy R, Erickson C, Velinov M, Tartaglia N, & Berry-Kravis EM. Soy-based infant formula is associated with an increased prevalence of comorbidities in fragile X syndrome. Nutrients. 2020;12(10):3136. doi:10.3390/nu1210
- BA, UCLA, 1989
- MS, Child Clinical Psychology, University of Washington, 1995
- PhD, Child Clinical Psychology and Developmental Psychology, University of Washington, 1997
- UC Davis Academic Senate Research Travel Award (2008)
- UC Davis finalist - John Merck Scholars Program, Biology of Developmental Disabilities in Children (2008)
- Dean’s Team Award for Excellence, UC Davis School of Medicine (2009)
- Jarrett Cole Clinical Award, National Fragile X Foundation, for “Dedicated Service to Families in the Worldwide Fragile X Community” (2012)
- The John Merck Fun's Developmental Disabilities Translational Research Program Scholar (2012)