‚ÄčSarah Grinn

  • Position: Assistant Professor
  • Department: Audiology
  • Campus Address:  Health Professions Building 2173
  • Phone:  989-774-7291
  • Email: sarah.grinn@cmich.edu
  • Area(s) of Expertise: Noise-induced hearing loss, Electrophysiology, External and Middle Ear Mechanics


AUD 744: Occupational and Recreational Hearing Conservation
AUD 731: Diagnostic Testing
AUD 750: Advanced Hearing Science
CSD 331: Introduction to Audiology

Degrees and Universities:

B.A., Michigan State University, 2013
Au.D., The University of Florida, 2017
Ph.D., The University of Texas at Dallas, 2019

Research Area(s):

  • Auditory effects of isolated or frequent recreational noise insults sustained in normal hearing populations
  • Role of pre-cochlear amplification in noise-induced hearing loss vulnerability

Research Funding:

  • National Institutes of Health R21, 2021 (under review)
  • National Institutes of Health LRP Clinical Research Award, 2021 (under review)
  • Faculty Research and Creative Endeavors Grant, 2020 (awarded)
  • American Academy of Audiology New Investigator Grant, 2018 (awarded)
  • Texas Speech-Language-Hearing Foundation Research Grant, 2018 (awarded)
  • National Hearing Conservation Student Research Grant, 2017 (awarded)
  • Susan and Jim Jerger Research in Audiology Fellowship, 2017 (awarded)

Professional Organizations:

National Hearing Conservation Association
American Speech-Language-Hearing Association
American Academy of Audiology

Honors and Recognitions:

  • Central Michigan University Grantsmanship Certificate - 2020 Office of Research and Graduate Studies
  • UT Dallas Ph.D. Student Research Presentation Travel Award - 2018 World Congress of Audiology
  • UT Dallas Ph.D. Student Research Presentation Travel Award - 2018 American Academy of Audiology Conference
  • ASHA Audiology and Hearing Science Research Travel Award - 2017 ASHA Convention
  • Future Leaders in Audiology Student Award - 2017 FLASC Conference
  • Todd H. Porter Student Poster Award - 2016 Texas Academy of Audiology Conference


  1. Grinn S., Trevino M., Lobarinas E. (2021). Noise-induced Hearing Loss Susceptibility Correlated with External-Ear Amplification in Chinchilla (under review).
  2. Grinn S., Le Prell C.G. (2021). Modeling individual Noise-Induced Hearing Loss Risk with Proxy Measurements of External-Ear Amplification. Journal of the Acoustical Society of America (accepted May 2, 2021; JASA-05916R2).
  3. Grinn S., Le Prell C.G. (2019). Noise-dose Estimated With and Without Pre-cochlear Amplification. Journal of the Acoustical Society of America, 146(5), 3967-3977. DOI: 10.1121/1.5132546.  
  4. Grinn S., Wiseman K.B., Baker J.A., Le Prell C.G. (2017). Hidden Hearing Loss? No Effect of Common Recreational Noise Exposure on Cochlear Nerve Response Amplitude. Frontierin Neuroscience, 11:465. DOI: 10.3389/fnins.2017.00465

Curriculum Vitae