‚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 643: Disorders of Hearing
AUD 731: Advanced Diagnostic Testing
CSD 537: Music and Hearing Science

Degrees and Universities:

Ph.D., The University of Texas at Dallas
Au.D., The University of Florida
B.S., Michigan State University

Research Area(s):

Auditory effects of isolated or frequent recreational noise insults sustained in normal hearing populations
Role of external-ear amplification in noise-induced hearing loss susceptibility

Research Funding:

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

Professional Organizations:

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

Honors and Recognitions:

Provost's Award for Outstanding Research and Creative Activity Nominee - 2021 Office of Research and Graduate Studies
Central Michigan University Grantsmanship Certificate - 2020 Office of Research and Graduate Studies
UT Dallas Ph.D. Student Research Presentation Award - 2018 World Congress of Audiology
UT Dallas Ph.D. Student Research Presentation Award - 2018 American Academy of Audiology Conference
ASHA Audiology and Hearing Science Research Award - 2017 American Speech-Language Hearing Association Convention
Future Leaders in Audiology Student Award - 2017 FLASC Conference
Todd H. Porter Student Poster Award - 2016 Texas Academy of Audiology Conference


Grinn S, Le Prell CG. (2021) Effects of Firearm Use on Cochlear Nerve Response in Normal-Hearing Young Adults (under review).

Grinn S, Trevino M, Lobarinas E. (2021). Noise-induced Hearing Loss Susceptibility Correlated with External-Ear Amplification in Chinchilla (under review).

Grinn S, Le Prell CG, Finemore K. Preservation of Extended High Frequency Thresholds in Young, Normal Hearing Firearm Users (under review).

Grinn S, Le Prell CG. Modeling individual noise-induced hearing loss risk with proxy measurements of external-ear amplification. J Acoust Soc Am. 2021 Jun;149(6):3975. doi: 10.1121/10.0005061.

Grinn S, Le Prell CG. Noise-dose estimated with and without pre-cochlear amplification. J Acoust Soc Am. 2019 Nov;146(5), 3967. doi: 10.1121/1.5132546.  

Grinn S, Wiseman KB, Baker JA, Le Prell CG. Hidden Hearing Loss? No Effect of Common Recreational Noise Exposure on Cochlear Nerve Response Amplitude in Humans. Front Neurosci. 2017 Sep 1;11:465. doi: 10.3389/fnins.2017.00465

Curriculum Vitae