Dr. Sigurros (Rosa) Davidsdottir is a staff neuropsychologist at the MGH Psychology Assessment Center and an instructor at Harvard Medical School. She received her Ph.D. in Clinical Psychology from Boston University in 2007, specializing in clinical neuropsychology and conducting research on Parkinson’s Disease. She completed a predoctoral internship at Long Island Jewish Medical Center and a postdoctoral fellowship at Harvard Medical School (MGH/BWH). She has been a licensed clinical psychologist in Massachusetts since 2008.

Dr. Davidsdottir has been a psychologist at the MGH Psychology Assessment Center since 2009 and performs neuropsychological evaluations of adults. She has a particular interest and expertise in cognitive aging and brain health, and neurodegenerative conditions including Alzheimer’s disease, Lewy Body Dementia, frontotemporal disorders and Parkinson’s disease. She works with the DBS team of the MGH Parkinson’s Disease and Movement Disorders Team, and assesses mood and cognition as a part of the presurgical process. She also has expertise in stroke disorders / cerebrovascular conditions, including CAA and CADASIL, and is experienced in evaluating stroke-related sequelae of individuals who have suffered strokes at a relatively young as well as older age. Following assessments, she meets with patients to discuss results and recommendations for care relating to their condition. Her current research interests mainly involve cognitive sequelae of cerebrovascular disease. Dr. Davidsdottir is involved in clinical training and directs the Psychology Assessment Center Neuropsychology Practicum Program.