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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, Amburgey KN, Abrams KS, Carney LH. "Identifying cues for tone-in-noise detection using decision variable correlation in the budgerigar (Melopsittacus undulatus)." The Journal of the Acoustical Society of America.. 2020 Feb 0; 147(2):984.

Leong UC, Schwarz DM, Henry KS, Carney LH. "Sensorineural Hearing Loss Diminishes Use of Temporal Envelope Cues: Evidence From Roving-Level Tone-in-Noise Detection." Ear and hearing.. 2020 Jan 23; Epub 2020 Jan 23.

Henry KS, Sayles M, Hickox AE, Heinz MG. "Divergent Auditory Nerve Encoding Deficits Between Two Common Etiologies of Sensorineural Hearing Loss." The Journal of neuroscience : the official journal of the Society for Neuroscience.. 2019 Aug 28; 39(35):6879-6887. Epub 2019 Jul 08.