About Us
About the Practice
Precision Neuropsychology, PLLC was established by Dr. DeRight in 2020. The practice performs both clinical and forensic neuropsychological evaluations. Clinical cases are typically scheduled on Wednesdays and Thursdays and involve referrals from neurologists, psychiatrists, primary care practitioners, and self-referrals for various cognitive and emotional concerns. Forensic cases span a wide range of civil, criminal, and quasi-legal settings.
About Dr. DeRight
Dr. DeRight is the only board certified clinical neuropsychologist specializing in adults that is licensed in Virginia, Maryland, and Washington, DC. He is one of the few board certified neuropsychologists in northern Virginia and one of 14 board certified neuropsychologists with offices in the Washington DC metro area.
Education
Bachelor of Science: Neuroscience
Master’s and PhD: Clinical Psychology
Predoctoral Internship
Postdoctoral Fellowship
Licensure and Board Certifications
American Board of Professional Psychology
Board Certified in Clinical Neuropsychology
Washington, DC
Licensed Clinical Psychologist
Virginia
Licensed Clinical Psychologist
Maryland
Licensed Clinical Psychologist
PSYPACT
Authority to Practice Interjurisdictional Telepsychology (APIT)
Temporary Authorization to Practice (TAP)
Dr. DeRight is authorized to practice telepsychology across 40+ U.S. states and territories under PSYPACT. This multi-state agreement allows eligible psychologists to provide services across state lines via in-person and secure telehealth platforms.
As of 2025, Dr. DeRight can offer services to clients located in the following jurisdictions: Alabama, Arizona, Arkansas, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Idaho, Illinois, Indiana, Kansas, Kentucky, Maine, Maryland, Michigan, Minnesota, Mississippi, Missouri, Nebraska, Nevada, New Hampshire, New Jersey, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, and the Commonwealth of the Northern Mariana Islands.
PSYPACT does not currently authorize providers to practice telepsychology in Alaska, California, Guam, Louisiana, Massachusetts, New Mexico, New York, Oregon, Puerto Rico, or the U.S. Virgin Islands, abut there are ways for Dr. DeRight to obtain special permission to practice there as needed.
Practice Location
The McLean office serves as the primary location for evaluations and services, though evaluations are occasionally completed at other locations for forensic or independent evaluations. All clinical neuropsychological evaluations take place in the McLean, VA office.
Publications
Dr. DeRight is the author of Essential Neuropsychology: A Concise Handbook for Adult Practitioners (Springer Nature) and co-author of multiple peer-reviewed publications and legal practitioner guides. He has served as a consulting expert for true crime documentaries and regularly presents at national professional conferences.
About this book
The goal of this book is to provide brief-but-comprehensive information that can aid in rapid differential diagnosis and allow for more thorough follow-up if needed. This guide is intended to fit easily into the pocket of a lab coat or on your desk, giving readers an efficient way to find information about a specific disease or disorder to prepare for an upcoming case. The book is divided into two parts: Part 1 involves general psychometric and reference information including score classifications, formulas for score conversion, likelihood chaining, and reliable change, psychometric data for stand-alone and embedded PVTs, and the effects of common medications on cognition. Part 2 of the book is organized alphabetically by disease or disorder to promote quick searching, and each chapter provides straightforward information including definitions, subtypes, etiology, epidemiology, course, diagnostic criteria, expectations for test results, and links to more comprehensive sources. Wheneverpossible, information is gathered through up-to-date literature and high quality pubilcations such as systematic reviews or meta-analyses. Helpful references are provided for more extensive follow-up or further reading.
Peer-Reviewed Journal Articles
Buchholz, A. S., DeRight, J., Gerner, G. J., & Schretlen, D. J. (2023). Do “effort tests” really test effort? Neuropsychology, 37(1), 104–112.
Kamath, V., Chaney, G.-A., DeRight, J., & Onyike, C. U. (2018). A meta-analysis of neuropsychological, social cognitive, and olfactory functioning in the behavioral and language variants of frontotemporal dementia. Psychological Medicine, 1–12.
DeRight, J., Jorgensen, R. S., & Cabral, M. (2015). Composite cardiovascular risk scores and neuropsychological test performance: A meta-analytic review. Annals of Behavioral Medicine, 9(3), 344–357. https://doi.org/10.1007/s12160-014-9681-0
DeRight, J., & Jorgensen, R. S. (2015). “I just want my research credit”: Frequency of suboptimal effort in a non-clinical healthy undergraduate sample. The Clinical Neuropsychologist, 29(1), 101–117. https://doi.org/10.1080/13854046.2014.989267
DeRight, J., & Carone, D. A. (2015). Assessment of effort in children: A systematic review. Child Neuropsychology, 21(1), 1–24. https://doi.org/10.1080/09297049.2013.864383
Books & Book Chapters
DeRight, J. & Vartkessian, E. (2022). Working with the Expert. In E. Kelley (Ed.), Representing People with Dementia: A Practical Guide for Criminal Defense Lawyers (pp. 141–153). American Bar Association. ISBN: 1639051325
DeRight, J. (2022). Essential Neuropsychology: A Concise Handbook for Adult Practitioners. Springer Nature. ISBN: 978-3030853716
DeRight, J. (2019). History of “Frontal” Syndromes and Executive Dysfunction. In J. Bogousslavsky, F. Boller, & M. Iwata (Eds.), A History of Neuropsychology: Frontiers in Neurology and Neuroscience, Vol. 44 (pp. 100–107). Karger. https://doi.org/10.1159/000494957
DeRight, J. (2014). Detection of Dementia Risk in Primary Care: Preliminary Investigation of a Compositive Dementia Risk Score in Veterans (Doctoral dissertation, Syracuse University).
DeRight, J. (2011). Feedback, Task Demand, and Cognitive Test Performance in College Students (Master’s Thesis, Syracuse University).