Professor Humes is an expert in auditory perception, with special expertise in the effects of hearing impairment and aging on auditory perception. His most recent research activities have been focused on age-related changes in speech perception and the evaluation of treatments for speech-perception deficits, including hearing aids and auditory training.

Audiology, Speech-Language Pathology, Cognitive Science
PhD, Northwestern University, Audiology and Hearing Science, 1979
MA, Central Michigan University, Audiology, 1976
BS, Purdue University, Audiology, Speech Sciences and Psychology, 1975
acoustic waves bioelectric phenomena clinical engineering speech pathology & disorders ears & hearing audiology physical sciences
American Speech-Language-Hearing Association