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Kenneth S. Henry, Ph.D.

Kenneth S. Henry, Ph.D.

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About Me

Faculty Appointments

Associate Professor - Department of Otolaryngology (SMD)

Associate Professor - Department of Biomedical Engineering (SMD) - Joint

Associate Professor - Department of Neuroscience (SMD) - Joint

Research

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...
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.

Publications

Journal Articles

Normal behavioral discrimination of envelope statistics in budgerigars with kainate-induced cochlear synaptopathy.

Henry KS, Guo AA, Abrams KS

Hearing research.. 2023 December 9441 :108927. Epub 12/09/2023.

Sensitivity to direction and velocity of fast frequency chirps in the inferior colliculus of awake rabbit.

Mitchell PW, Henry KS, Carney LH

Hearing research.. 2023 November 15440 :108915. Epub 11/15/2023.

Histological Correlates of Auditory Nerve Injury from Kainic Acid in the Budgerigar (Melopsittacus undulatus).

Wang Y, Abrams KS, Youngman M, Henry KS

Journal of the Association for Research in Otolaryngology : JARO.. 2023 October 5 Epub 10/05/2023.

Mechanisms of masking by Schroeder-phase harmonic tone complexes in the budgerigar (Melopsittacus undulatus).

Henry KS, Wang Y, Abrams KS, Carney LH

Hearing research.. 2023 August 435 :108812. Epub 05/27/2023.

Tone in Noise Detection in Children with a History of Temporary Conductive Hearing Loss.

McKenna Benoit M, Henry KS, Orlando M, Wong S, Allen P

Journal of the Association for Research in Otolaryngology : JARO.. 2022 December 23 (6):751-758. Epub 10/24/2022.

Animal models of hidden hearing loss: Does auditory-nerve-fiber loss cause real-world listening difficulties?

Henry KS

Molecular and cellular neurosciences.. 2022 January 118 :103692. Epub 12/07/2021.

Animals models of hidden hearing loss: Does auditory-nerve-fiber loss cause real-world listening difficulties?

Henry, Kenneth S.

Molecular and Cellular Neuroscience. 2022; 118(Special Issue: Inner Ear Biology).

Responses to dichotic tone-in-noise stimuli in the inferior colliculus.

Fan L, Henry KS, Carney LH

Frontiers in neuroscience.. 2022 16 :997656. Epub 12/01/2022.

Responses to diotic tone-in-noise stimuli in the inferior colliculus: stimulus envelope and neural fluctuation cues.

Fan L, Henry KS, Carney LH

Hearing research.. 2021 September 15409 :108328. Epub 08/02/2021.

Midbrain-Level Neural Correlates of Behavioral Tone-in-Noise Detection: Dependence on Energy and Envelope Cues.

Wang Y, Abrams KS, Carney LH, Henry KS

The Journal of neuroscience : the official journal of the Society for Neuroscience.. 2021 August 2541 (34):7206-7223. Epub 07/15/2021.

Effects of Kainic Acid-Induced Auditory Nerve Damage on Envelope-Following Responses in the Budgerigar (Melopsittacus undulatus).

Wilson JL, Abrams KS, Henry KS

Journal of the Association for Research in Otolaryngology : JARO.. 2021 February 22 (1):33-49. Epub 10/19/2020.

Normal Tone-In-Noise Sensitivity in Trained Budgerigars despite Substantial Auditory-Nerve Injury: No Evidence of Hidden Hearing Loss.

Henry KS, Abrams KS

The Journal of neuroscience : the official journal of the Society for Neuroscience.. 2021 January 641 (1):118-129. Epub 11/11/2020.

Identifying cues for tone-in-noise detection using decision variable correlation in the budgerigar (Melopsittacus undulatus).

Henry KS, Amburgey KN, Abrams KS, Carney LH

The Journal of the Acoustical Society of America.. 2020 February 147 (2):984. Epub 1900 01 01.

Sensorineural Hearing Loss Diminishes Use of Temporal Envelope Cues: Evidence From Roving-Level Tone-in-Noise Detection.

Leong UC, Schwarz DM, Henry KS, Carney LH

Ear and hearing.. 2020 41 (4):1009-1019. Epub 1900 01 01.

Divergent Auditory Nerve Encoding Deficits Between Two Common Etiologies of Sensorineural Hearing Loss.

Henry KS, Sayles M, Hickox AE, Heinz MG

The Journal of neuroscience : the official journal of the Society for Neuroscience.. 2019 August 2839 (35):6879-6887. Epub 07/08/2019.

Effects of selective auditory-nerve damage on the behavioral audiogram and temporal integration in the budgerigar.

Wong SJ, Abrams KS, Amburgey KN, Wang Y, Henry KS

Hearing research.. 2019 March 15374 :24-34. Epub 01/23/2019.

Persistent Auditory Nerve Damage Following Kainic Acid Excitotoxicity in the Budgerigar (Melopsittacus undulatus).

Henry KS, Abrams KS

Journal of the Association for Research in Otolaryngology : JARO.. 2018 August 19 (4):435-449. Epub 05/09/2018.

Challenging One Model With Many Stimuli: Simulating Responses in the Inferior Colliculus.

Fan L, Henry KS, Carney LH

Acta acustica united with acustica : the journal of the European Acoustics Association (EEIG).. 2018 104 (5):895-899. Epub 1900 01 01.

Formant-frequency discrimination of synthesized vowels in budgerigars (Melopsittacus undulatus) and humans.

Henry KS, Amburgey KN, Abrams KS, Idrobo F, Carney LH

The Journal of the Acoustical Society of America.. 2017 October 142 (4):2073. Epub 1900 01 01.

Midbrain Synchrony to Envelope Structure Supports Behavioral Sensitivity to Single-Formant Vowel-Like Sounds in Noise.

Henry KS, Abrams KS, Forst J, Mender MJ, Neilans EG, Idrobo F, Carney LH

Journal of the Association for Research in Otolaryngology : JARO.. 2017 February 18 (1):165-181. Epub 10/20/2016.

Neural correlates of behavioral amplitude modulation sensitivity in the budgerigar midbrain.

Henry KS, Neilans EG, Abrams KS, Idrobo F, Carney LH

Journal of neurophysiology.. 2016 April 115 (4):1905-16. Epub 02/03/2016.

Distorted Tonotopic Coding of Temporal Envelope and Fine Structure with Noise-Induced Hearing Loss.

Henry KS, Kale S, Heinz MG

The Journal of neuroscience : the official journal of the Society for Neuroscience.. 2016 February 1736 (7):2227-37. Epub 1900 01 01.

Habitat-related differences in auditory processing of complex tones and vocal signal properties in four songbirds.

Lucas JR, Vélez A, Henry KS

Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology.. 2015 April 201 (4):395-410. Epub 02/15/2015.

Sensorineural hearing loss amplifies neural coding of envelope information in the central auditory system of chinchillas.

Zhong Z, Henry KS, Heinz MG

Hearing research.. 2014 March 309 :55-62. Epub 12/04/2013.

Noise-induced hearing loss increases the temporal precision of complex envelope coding by auditory-nerve fibers.

Henry KS, Kale S, Heinz MG

Frontiers in systems neuroscience. 2014 8 :20. Epub 02/17/2014.

Effects of sensorineural hearing loss on temporal coding of narrowband and broadband signals in the auditory periphery.

Henry KS, Heinz MG

Hearing research.. 2013 September 303 :39-47. Epub 01/29/2013.

Diminished temporal coding with sensorineural hearing loss emerges in background noise.

Henry KS, Heinz MG

Nature neuroscience.. 2012 October 15 (10):1362-4. Epub 09/09/2012.

Two measures of temporal resolution in brown-headed cowbirds (Molothrus ater).

Gall MD, Henry KS, Lucas JR

Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology.. 2012 January 198 (1):61-8. Epub 10/11/2011.

Auditory brainstem responses predict auditory nerve fiber thresholds and frequency selectivity in hearing impaired chinchillas.

Henry KS, Kale S, Scheidt RE, Heinz MG

Hearing research.. 2011 October 280 (1-2):236-44. Epub 06/15/2011.

Songbirds tradeoff auditory frequency resolution and temporal resolution.

Henry KS, Gall MD, Bidelman GM, Lucas JR

Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology.. 2011 April 197 (4):351-9. Epub 01/12/2011.

Vocally correlated seasonal auditory variation in the house sparrow (Passer domesticus).

Henry KS, Lucas JR

The Journal of experimental biology.. 2009 December 212 (Pt 23):3817-22. Epub 1900 01 01.