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Kenneth S. Henry, Ph.D.

Contact Information

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Office: (585) 275-4851

Faculty Appointments



Of ~35,000 neurons present in each cochlea at birth, 1000-2000 are lost per decade due to normal aging and exposure to loud sound. Further neurons may be lost from overexposure to loud sounds, but the consequences of cochlear neurodegeneration are not well understood. Our lab uses behavioral operant conditioning experiments in an avian model species to characterize the effects of cochlear neurodegeneration on behavioral sensitivity to complex sounds. We also use neural recordings from the inferior colliculus of the midbrain to identify the changes in central processing that underlie deficits in auditory perception.


Journal Articles

Henry KS, Wang Y, Abrams KS, Carney LH. "Mechanisms of masking by Schroeder-phase harmonic tone complexes in the budgerigar (Melopsittacus undulatus)." Hearing research.. 2023 Aug; 435:108812. Epub 2023 May 27.

McKenna Benoit M, Henry KS, Orlando M, Wong S, Allen P. "Tone in Noise Detection in Children with a History of Temporary Conductive Hearing Loss." Journal of the Association for Research in Otolaryngology : JARO.. 2022 Oct 24; Epub 2022 Oct 24.

Henry, Kenneth S. "Animals models of hidden hearing loss: Does auditory-nerve-fiber loss cause real-world listening difficulties?" . Molecular and Cellular Neuroscience. 2022; 118(Special Issue: Inner Ear Biology).