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Faculty

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.

Jonathan D. Lichtenstein, PsyD, MBA, Assistant Professor of Psychiatry, Pediatrics, and The Dartmouth Institute for Health Policy and Clinical Practice

  • Director, Pediatric Neuropsychology
  • Associate Director of 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.

Sharee Light, PhD, Assistant Professor of Psychiatry

  • Director, Neuropsychology at New Hampshire Hospital
  • Clinical interests: Clinical neuropsychological and psychological evaluation of adults with an emphasis on changes in positive affectivity, social cognition, and executive function associated with neurological disorders (such as dementia, demyelinating diseases, stroke, and traumatic brain injury) and/or psychological disorders (such as Major Depressive Disorder, bipolar disorder, and schizophrenia); and improving the assessment of affective states during the course of the traditional clinical neuropsychological assessment.
  • Research interests: Affective neuroscience and clinical neuropsychology; particularly the role of the prefrontal cortex in modulating emotional experience with foci on positively valenced emotions such as joy and social-cognitive emotions such as empathy; study of anhedonia as a transdiagnostic symptom—as it cuts across several disorders including Major Depressive Disorder, schizophrenia, Parkinson’s disease, and some forms of dementia. Neuroimaging tools used to carry out this research include fMRI, rTMS, EEG, and EMG.

Robert M. Roth, PhD, ABPP-CN, Associate Professor of Psychiatry

  • Director, Clinical Neuropsychology Training Program
  • Director, DHMC Adult Neuropsychology Services
  • Clinical interests: Neuropsychology of psychiatric and complex neuropsychiatric disorders; executive functions; adult ADHD; 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.

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