Maurissa Abecassis, PhD
Assistant Professor of Psychiatry
Director, Adult Neuropsychology at Hanover Psychiatry

  • Clinical Interests: Neuropsychological Assessment of patients with psychiatric, neurological, and complex medical conditions; learning disability and Adult ADHD evaluations; Spinal cord stimulator and Pain pump evaluations; cognitive remediation/intervention for college age students (e.g., CBT for ADHD) and for adults across the lifespan.
  • Research Interests: Development and changes in executive functions across the lifespan; Executive functions in the transition to parenthood and links with child outcomes; Neuropsychological functioning of women; Neuropsychological functioning and skills training in surgical residents.

Jennifer Amato, PsyD
Instructor in Psychiatry
Pediatric Neuropsychologist

  • Clinical interests: Neuropsychology of children and adolescents with complex medical conditions; developmental disabilities; congenital and genetic disorders; communication and language disorders; d/Deaf or hard of hearing populations; hearing loss.
  • Research interests: Obstetric complications and neurodevelopmental outcomes; maternal-fetal health; factors impacting the intergenerational cycle of adverse childhood events; improving the scholastic experience of children with intellectual disabilities; program evaluation.

Jonathan D. Lichtenstein, PsyD, MBA
Assistant Professor of Psychiatry, Pediatrics, and The Dartmouth Institute for Health Policy and Clinical Practice
Director, Neuropsychological Services
Director, Pediatric and Sports Neuropsychology
Associate Director, Clinical Neuropsychology Training Program

  • Clinical interests: Neuropsychology of children and adolescents; sports neuropsychology; concussion management; interdisciplinary medicine; autism spectrum disorders.
  • Research interests: Assessment and factors of recovery in sport-related concussion; pediatric performance validity testing; program evaluation; over-prescribing in vulnerable pediatric populations; cognitive and social effects of cancer and its treatments; supported employment.

Robert M. Roth, PhD, ABPP-CN
Associate Professor of Psychiatry
Director, Clinical Neuropsychology Training Program
Director, Adult Neuropsychology
Interim Director, Neuropsychology at NHH

  • Clinical interests: Neuropsychology of psychiatric and complex neuropsychiatric disorders; executive functions; movement disorders; deep brain stimulation.
  • Research interests: Assessment, etiology and treatment of executive dysfunction and motivational systems abnormality (e.g., reward, apathy) in psychiatric and neurological disorders (e.g., ADHD, OCD, schizophrenia, movement disorders, addictions); obesity (bariatric and other intervention effects on cognition, prediction of treatment outcome, addiction transfer); test development.

Heather A. Wishart, PhD,
Associate Professor of Psychiatry
Director, Brain Imaging Laboratory and Brain Research Network

  • Clinical interests: multiple sclerosis; neuro-oncology
  • Research interests: Multiple Sclerosis: Imaging-genetics; cognitive genetics; pain imaging; pharmacologic fMRI; cognition/cognitive rehabilitation; neuro-oncology: tumor segmentation; cognition.