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Indiana University Bloomington
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Larry Humes

Distinguished Professor Speech and Hearing Sciences
Office: Speech and Hearing C181
Phone: (812) 855-3507


  • B.S. at Purdue University, 1975
  • M.A. at Central Michigan University, 1976
  • Ph.D. at Northwestern University, 1979

Research Interests

Auditory perception

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. He has served as an associate editor or editor for several prestigious journals in his field. From 2003-2005, he chaired a committee of the National Academies’ Institute of Medicine charged with performing a critical examination of the evidence regarding the presence of noise-induced hearing loss and tinnitus in U.S. military veterans since the 1940s.

Dissertation Committee Service

Bold student names indicate a cognitive science standalone student.

Author Dissertation Title Committee
Ferguson, S. H. Vowels in Clear and Conversational Speech: Talker Differences in Acoustic Features and Intelligibility for Normal-Hearing Listeners (July 2002) Kweley-Port, D. (Co-Chair), Watson, C. S., Humes, L. E., Pisoni, D. B. (Co-Chair), Jong, K. D.
Fogerty, DanielPerceptual Weighting of the Envelope and Fine Structure Across Frequency Bands During Continuous and Interrupted Speech (June 2010) Humes, L. (Co-Chair), Kewley-Port, D. (Co-Chair), Pisoni, D., Lentz, J.