Neuropsychology
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- Neuropsychology
Dr. Molly Memel is a board-certified clinical neuropsychologist who specializes in care for adults with various neurological conditions, including Alzheimer’s disease, Parkinson’s disease, stroke, frontotemporal dementia, epilepsy, traumatic brain injuries, and multiple sclerosis. Dr. Memel earned her doctoral degree in clinical psychology with an emphasis in neuropsychology at the University of Arizona where she utilized multiple neuroimaging techniques to study the impact of age-related changes in brain structure and function on memory. She completed a neuropsychology focused internship at the...
- Forensic Psychology, Neuropsychology, Psychology
Rachyll Dempsey, Psy.D., Q.M.E, ABPP, is a forensic neuropsychologist with offices throughout the San Francisco Bay Area and practicing throughout California. Licensed as a Clinical Psychologist in 2006, she has been a Qualified Medical Evaluator since 2014 and an Independent Practitioner through CASOMB (California Sex Offender Management Board) since 2012. Further, she attained Board Certification in Forensic Psychology through the American Board of Professional Psychology (ABPP) in 2017. Dr. Dempsey has dedicated her career to building her specialty in psychological...
- Neuropsychology
Dr. Richard Zumwalt is a neuropsychologist specializing in brain related disorders and psychological evaluations, psychotherapy and pre-employment psychological evaluations for first responders. Dr. Zumwalt is a California Police Officers Standards and Training (POST) approved psychological evaluator. Dr. Zumwalt specializes in personal injury, and workers compensation evaluations for traumatic brain injury, trauma, anxiety, depression and addictions. Personal History: Dr. Zumwalt was a member of Arizona State University’s only Rose Bowl Champion Football Team and spent three year playing professional football for...
- Forensic Psychology, Neuropsychology
Roger Karlsson, Ph.D., ABPP, Q.M.E., has been a licensed Psychologist and Psychotherapist since 1993, and is board certified in Forensic Psychology and a Qualified Medical Examiner. He earned his Ph.D. in Clinical Psychology and Clinical Science at the University of California in 2005. Dr. Karlsson a member of the California Psychological Association, Fellow of the American Academy for Forensic Psychology, Fulbright Fellow, International Psychoanalytic Association, Swedish Psychoanalytic Society, San Francisco Center for Psychoanalysis, and the Santa Clara County Psychological Association.
- Neuropsychology, Psychology
Dr. Collier is a clinical neuropsychologist with advanced expertise in brain development and the neurocognitive effects of injury. Dr. Collier specializes in comprehensive neuropsychological evaluations for traumatic brain injury (TBI), attention disorders, and neurodevelopmental conditions in both pediatric and adult populations, with particular emphasis on complex differential diagnosis and functional outcomes. In addition to assessment, Dr. Collier provides psychotherapy and cognitive rehabilitation for individuals across the lifespan. Dr. Collier’ clinical approach is results-driven and firmly grounded in evidence-based practices, including...