Dr. Riggs completed his undergraduate degree at the University of Kentucky in Linguistics. He then went on to get his masters in Communicative Disorders at the University of Louisville, where he also received both his medical degree and PhD in Anatomy and Neurobiolgy. After medical school he took his neurology training at the University of Alabama at Birmingham; and then came to Rochester to complete a fellowship in Experimental Therapeutics as well as a second fellowship in Cognitive & Behavioral Neurology.
Dr. Riggs examines the role of visual perception on language abilities in patients with Alzheimer's disease. He is also interested in how the brain works to produce or support consciousness, judgment, insight, reasoning, language, and other higher cognitive functions, and he is studying the special needs of patients with cognitive impairment at the end of life.