Michael Heinz

Research Interests / Training Areas:

  • Sensorineural hearing loss
  • Neural coding in normal and impaired auditory systems
  • Models of auditory signal processing and perception


Michael G. Heinz is a Professor at Purdue University, with a joint appointment in Speech, Language and Hearing Sciences and Biomedical Engineering. He received an Sc.B. degree in Electrical Engineering from Brown University in 1992. He then completed a Masters in Electrical and Computer Engineering at Johns Hopkins University in 1994, where, he performed psychoacoustical experiments measuring the ability of human listeners to detect signals in noise. In 2000, he received a Ph.D. from the MIT Division of Health Sciences and Technology in the area of Speech and Hearing Sciences. His dissertation involved computational and theoretical modeling to quantify the amount of information in auditory-nerve responses for psychoacoustical tasks. His post-doctoral work was in Biomedical Engineering at the Johns Hopkins University School of Medicine, where his work evaluated possible neural correlates of loudness recruitment by comparing neurophysiological responses from single auditory-nerve fibers in animals with normal hearing and noise-induced hearing loss. In 2005, he joined the faculty at Purdue as an Assistant Professor, where his lab has been investigating the relation between neurophysiological and perceptual responses to sound with normal and impaired hearing through the coordinated use of neurophysiology, computational modeling, and psychoacoustics. He teaches classes in both SLHS and BME. In 2010, he was elected a Fellow of the Acoustical Society of America, and currently serves as Chair of the ASA Technical Committee on Psychological and Physiological Acoustics. In addition to ASA, he is also a member of the Association for Research in Otolaryngology and the Society for Neuroscience.

Recent Publications:

Smalt, C., Heinz, M.G., and Strickland, E. A. (in press). “Modeling the time-varying and level dependent effects of the medial olivocochlear reflex in auditory-nerve responses,” J. Assoc. Res. Otolaryngol.

Henry, K.S., and Heinz, M.G. (2013). “Effects of sensorineural hearing loss on temporal coding of narrowband and broadband signals in the auditory periphery,” Hear. Res., 303, 39-47.

Henry, K.S., and Heinz, M.G. (2012). “Diminished temporal coding with sensorineural hearing loss emerges in background noise,” Nat. Neurosci., 15, 1362-1364.

Swaminathan, J. and Heinz, M.G. (2012). “Psychophysiological analyses demonstrate the importance of neural envelope coding for speech perception in noise,” J. Neurosci., 32, 1747-1756.

Heinz, M.G. (2012). Intensity coding throughout the auditory system. In K.L. Tremblay and R.F. Burkard (Eds.) Translational Perspectives in Auditory Neuroscience: Normal Aspects of Hearing, Plural Publishing, pp. 349-386.

Heinz, M.G. (2010). “Computational modeling of sensorineural hearing loss,” In R. Meddis, E.A. Lopez-Poveda, R.R. Fay, A.N. Popper (Eds.), Computational Models of the Auditory System [Springer Handbook of Auditory Research (SHAR)], Springer, New York, pp. 177-202.

Michael Heinz


Lyles-Porter Hall, Room 3064
Peirce Hall, Room 386 H
Phone: 765-496-6627,
765-496-2613 (lab)

Auditory Neurophysiology and Modeling Lab

Speech, Language, & Hearing Sciences, Lyles-Porter Hall, 715 Clinic Drive, West Lafayette, IN 47907-2122, PH: (765) 494-3789

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