The Amethyst Team includes a clinical neuropsychologist, school psychologist, licensed professional counselor, testing administrators, and a friendly office staff. Our experienced team is led by Dr. Sarah Dyer, a long-term resident of southern Illinois. She specializes in neuropsychological assessment across the lifespan. Previously, Dr. Dyer was the supervising neuropsychologist at Hesed Psychological Services Swansea location. Dr. Dyer's Education: SIU-CARBONDALE Ph.D., Clinical Psychology FLORIDA STATE UNIVERSITY M.S., Clinical Psychology PRINCETON UNIVERSITY B.A., Psychology