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Recent Presentations

2024

Farhadi, A., Heinz, M.G. “Understanding the physiological roles of MOC efferent pathways for hearing in noise ” HWK Workshop on Auditory Efferents: Closing the Loop(s), Delmenhorst, Germany, November 4–6, 2024 

A. Sivaprakasam, S. Hauser, H. Bharadwaj, M. Heinz, “Subtypes of Sensorineural Hearing Loss Variably Alter the Neural Encoding of Fundamental Frequency. ” Auditory System Gordon Research Conference (GRC). Smithfield, RI, 2024. 

Bharadwaj, H., Kafi, H., Parida, S., and Heinz, M.G. “Overzealous tail: Distorted tonotopy degrades suprathreshold sound coding in sensorineural hearing loss” Mechanics of Hearing preprints, Ann Arbor MI, June 2024. 

Farhadi, A., Hauser, S., Sivaprakasam, A., and Heinz, M.G. “Simultaneous Recording of Otoacoustic Emissions and Envelope-Following Responses to Evaluate Efferent Influences on Neural Coding ” Mechanics of Hearing preprints, Ann Arbor MI, June 2024. 

Hauser, S., Sivaprakasam, A., Bharadwaj, H., and Heinz, M.G. “Precision Diagnostics for Complex Sensorineural Hearing Loss ” Mechanics of Hearing preprints, Ann Arbor MI, June 2024. 

Farhadi, A., Hauser, S., Sivaprakasam, A., and Heinz, M.G. “Evaluation of efferent influences on neural coding using preclinical models of sensorineural hearing loss ” The Journal of the Acoustical Society of America, 155, A40. May 2024, Ottawa, Ontario, Canada , poster. 

Patra, M., Mukesh, A., and Heinz, M. G. “Characterizing inner-hair-cell specific dysfunction from spike-train-derived transduction functions using a phenomenological auditory-nerve model” The Journal of the Acoustical Society of America, 155, A34. May 2024, Ottawa, Ontario, Canada , poster. 

Alexander, J., Heinz, M., Shader, M., Grama, A., Bartlett, E., and Simpson, J. “Addressing Hearing Health Equity in Indiana Using Precision Audiology ” Annual Convention of the Indiana Speech-Language-Hearing Association 2024, poster. 

Heinz, M.G. “Dissecting sensorineural hearing loss towards precision audiology,” Hearing, Balance, and Chemical Senses program (HBCS) Seminar Series, Kresge Hearing Research Institute, University of Michigan, Feb 2024. 

Farhadi, A., Patra, M., Sivaprakasam, A., and Heinz, M.G. “Investigating Potential Sources of Modulation Enhancement in Noise Through Physiologically Recorded and Model Neural Responses ” Assoc. for Res. in Otolaryngology Abstracts, S27, Feb 2024, poster. 

Sivaprakasam, A., Bharadwaj, H., and Heinz, M.G. “Cross-Species Investigations of Place and Time Coding of Pitch Using Envelope-Following Responses ” Assoc. for Res. in Otolaryngology Abstracts, S142, Feb 2024, poster. 

Athreya, V.M., Sivaprakasam, A., Ginsberg, H., Bharadwaj, H., and Heinz, M.G. “Pioneering Cortical Assays of Gap Detection to Explore Temporal Processing in Chinchilla Using a Multi-Channel Mini-EEG Cap ” Assoc. for Res. in Otolaryngology Abstracts, SU34, Feb 2024, poster. 

Patra, M., Farhadi, A., Sivaprakasam, A., Axe, D., and Heinz, M.G. “Refinement of Inner Hair Cell (IHC) Dysfunction in a Phenomenological Auditory Nerve (AN) Model Using Physiological and Single-Unit Recordings Following Selective IHC Dysfunction, ” Assoc. for Res. in Otolaryngology Abstracts, SU151,Feb 2024, poster. 

Hauser, S., Bharadwaj, H., and Heinz, M. G. “Contributions to Otoacoustic Emission Amplitudes Beyond Outer Hair Cells: Effects of Sedation and Inner Hair Cell Dysfunction, ” Assoc. for Res. in Otolaryngology Abstracts, SU175, Feb 2024, poster. 

Viswanathan, V., Heinz, M.G., and Shinn-Cunningham, B. “Impact of Reduced Spectral Resolution on Temporal-Coherence-Based Source Segregation, ” Assoc. for Res. in Otolaryngology Abstracts, SU179, Feb 2024, poster.

2023

Heinz, M.G. “Dissecting sensorineural hearing loss towards precision audiology ” Biomedical Engineering Seminar Series, University of Miami, October 2023.

Heinz, M.G. “The importance of distorted tonotopy in degraded speech intelligibility with noise-induced hearing loss: Potential contributions to individual differences ” 14th International Workshop on Auditory Processing, Cody, Wyoming, August 2023.

A. Sivaprakasam, S. Hauser, N. Seidl, D. Hake, H. Bharadwaj, M. Heinz “Towards an Open-Source Precision Audiological Diagnostics Core for Large-Scale Data Analysis ” presented at the Virtual Conference on Computational Audiology 2023.

Hauser, S., Heinz, M. G., and Bharadwaj, H. . “Cross-species characterization of joint otoacoustic emission profiles in sensorineural hearing loss” The Journal of the Acoustical Society of America, 153, A161. [1st place student award]. May 2023, Chicago, IL.

Patra, M., Sivaprakasam, A., Axe, D., and Heinz, M. G. “Testing phenomenological auditory-nerve model predictions for selective inner- and outer-hair-cell dysfunction” The Journal of the Acoustical Society of America, 153, A337. May 2023, Chicago, IL

Heinz, M.G. “Dissecting sensorineural hearing loss towards precision audiology ” Biomedical Engineering Seminar Series, University of Rochester, April 2023.

Sivaprakasam, A., Athreya, V.M., Ginsberg, H., Bharadwaj, H., and Heinz, M. “A Chinchilla Mini-EEG Cap Improves Cross-Species Translation for Cortical and Subcortical Evoked Potentials ” Assoc. for Res. in Otolaryngology Abstracts, SU188, Feb 2023, poster. 

Sivaprakasam, A., Schweinzger, I., Bharadwaj, H., and Heinz, M. “Upper-Harmonic Deficits in Temporal Envelope Coding of Tone Complexes and Amplitude Modulations Differentiate Inner Hair Cell Damage From Synaptopathy ” Assoc. for Res. in Otolaryngology Abstracts, SU126, Feb 2023, poster. 

Viswanathan, V., Bharadwaj, H., Heinz, M., Shinn-Cunningham, B. “Induced Alpha and Beta Electroencephalographic Rhythms Covary With Single-Trial Speech Intelligibility in Competition ” Assoc. for Res. in Otolaryngology Abstracts, SU14, Feb 2023, poster. 

Deloche, F., Sivaprakasam, A., Heinz, M. “Effect of Suppressive Masking on the Dynamic Range of Auditory-Nerve Responses: Characterization with Forward-Masked Compound Action Potentials ” Assoc. for Res. in Otolaryngology Abstracts, SA21, Feb 2023, poster. 

2022

Deloche, F., Parida, S., Sivaprakasam, A., and Heinz, M.G. (accepted talk). “Estimation of Cochlear Frequency Selectivity Using a Convolution Model of Forward-Masked Compound Action Potentials,” Assoc. for Res. in Otolaryngology Abstracts, 45, Feb 2022, San Jose CA.

Märcher-Rørsted, J., Hjortkjær, J., Encina-Llamas, G., Dau, T., and Heinz, M.G. (accepted talk). “Interactions Between Peripheral and Central Measures of Temporal Coding in a Chinchilla Model of Noise-Induced Cochlear Synaptopathy,” Assoc. for Res. in Otolaryngology Abstracts, 45, Feb 2022, San Jose CA.

Schweinzger, I., Sivaprakasam, A., and Heinz, M.G. (accepted poster). “Differentiating Inner Hair Cell Dysfunction From Cochlear Synaptopathy Using Non-Invasive Measures of Temporal Envelope Coding in Chinchilla,” Assoc. for Res. in Otolaryngology Abstracts, 45, Feb 2022, San Jose CA.

Viswanathan, V., Shinn-Cunningham, B., and Heinz, M.G. (accepted talk). “Speech Categorization Reveals the Role of Early-Stage Temporal-Coherence Processing in Auditory Scene Analysis,” Assoc. for Res. in Otolaryngology Abstracts, 45, Feb 2022, San Jose CA.

2021

Sivaprakasam, A., Bharadwaj, H., and Heinz, M. (2021) "The Role of Envelope and Temporal Fine Structure in Auditory Neural Coding of Timbre in Normal and Impaired Hearing," Society for Neuroscience Abstracts,  P441.06.

Heinz, M.G., and Parida, S. “Enhanced envelope coding following acoustic trauma degrades speech-in-noise coding,” Conference on Sound Perception, Poznan, Poland (virtual), September 2021.

Parida, S., and Heinz, M.G. (2021). “Representation of Voice Pitch in Discharge Patterns of Auditory-Nerve Fibers Following Noise-Induced Hearing Loss,” Assoc. for Res. in Otolaryngology Abstracts, 44, PD36.

Deloche, F., and Heinz, M.G. (2021). “Estimation of Cochlear Excitation Patterns Using a Model of Forward-Masked Compound Action Potentials,” Assoc. for Res. in Otolaryngology Abstracts, 44, T11.

Viswanathan, V. Shinn-Cunningham, B. and Heinz, M.G. (2021). “Effects of Masker Modulation Spectra and Fine Structure on Consonant Confusions,” Assoc. for Res. in Otolaryngology Abstracts, 44, T125.

2020

Parida S, Heinz MG (2020) "Degradation of Speech-In-Noise Coding in Auditory-Nerve Fibers Following Cochlear Hearing Loss: Insights from Spectro-Temporal and Information-Theoretic Approaches"  ARO.

2019

Viswanathan V, Bharadwaj H, Shinn-Cunningham B, Heinz MG (2019) "Electroencephalographic Signatures of the Neural Representation of Speech During Selective Attention." ARO.

Dougherty K, Ginsberg H, Mai A, Parida S, Simpson J, Heinz MG, Bharadwaj H (2019) "Non-Invasive Assays of Cochlear Synaptopathy in Humans and Chinchillas." ARO.

Parida S, Heinz MG (2019) "Effects of Noise-Induced Hearing Loss on Speech-In-Noise Envelope Coding "  ARO.

Parida S, Heinz MG (2019) "Evidence for distorted tonotopy following noise-induced hearing loss using speech frequency following responses "  MARC.

Viswanathan V, Bharadwaj H, Shinn-Cunningham B, Heinz MG (2019) "Evaluating human neural envelope coding as the basis of speech intelligibility in noise." ASA.

Parida S, Heinz MG (2019) "Effects of noise-induced hearing loss on speech-in-noise envelope coding: Inferences from single-unit and non-invasive measures in animals "  ARO.

2018

Axe DR, Muthaiah VP, Heinz MG (2018) "Both inner and outer hair-cell dysfunction degrade neural coding of perceptually relevant complex sounds." ARO.

Maulden AC, Walls MK, Muthaiah VP, Heinz MG (2018) "The effects of cochlear synaptopathy on chinchilla amplitude-modulation detection thresholds." ARO.

Parida S, Heinz MG (2018) "Neurophysiological Evaluation of Speech Masking Release Based on the Envelope Power Spectrum Model "  ARO.

2017

Axe DR, Heinz MG (2017) "Changes in Temporal Coding of Frequency Modulation Following Inner Hair-cell Impairment." ARO.

Hegland EH, Strickland EA, Heinz MG (2017) "Modeling Suppression, Gain, and Age-Related Effects Using an Auditory-Nerve Model." ARO.

Maulden AC, Walls MK, Sayles M, Heinz MG (2017) "Comparison of Psychometric and Neurometric Amplitude-Modulation Detection Thresholds in Normal-Hearing Chinchillas." ARO.

Parida S, Heinz MG (2017) "Neurophysiological Evaluation of the Speechbased Envelope Power Spectrum Model "  ASA.