Good question! A Psychologist can be a clinician (a therapist) or a research or academic practitioner. A Neuropsychologist is a specialist in brain function, and works as an academician, a researcher, and/or a consultant, often based in a hospital or rehab.
Dr. Marian K. Shapiro
(natural or not), such as sports concussions, stroke, Alzheimer’s, excessive drug use that caused the brain to suffer, therefore caused issues.