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National Center for Rehabilitative Auditory Research (NCRAR)

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Frederick (Erick) J. Gallun, Ph.D.

E-mail: Frederick.Gallun@va.gov 
Phone: 503-220-8262 ext. 57472

Current Appointments

  • Research Investigator
  • Associate Professor, Dept. Otolaryngology/Head & Neck Surgery and Neuroscience Graduate Program, Oregon Health and Science University

Research Interests

  • Exploring the potential impacts of age, hearing loss, and brain injury on the ability of listeners to extract information from complex auditory stimuli.
  • Development of portable, automated, rapid tests of auditory function based on current models of the processing associated with the central auditory system.

Current Research Projects

“Predicting the benefits of spatial and spectrotemporal cues”
Principal Investigator: Frederick J. Gallun, PhD
National Institutes of Health, NIDCD, R01 2012-2018 (no-cost extension).

“Efficient diagnostic tools to evaluate central auditory dysfunction”
Principal Investigator: Frederick J. Gallun, PhD;
Co-Principal Investigators: David Eddins, PhD and Aaron Seitz, PhD
National Institutes of Health, NIDCD, Translational R01 2016-2021.

“Individualized Signal Processing Strategy to Enhance Hearing Healthcare: Phase II” 
Principal Investigator: Lee Krause, PhD
Co-Principal Investigators: David Eddins, PhD and Frederick Gallun, PhD
National Institutes of Health, NIDCD, SBIR 2017-2019.

“Brain Training for Central Auditory Dysfunction After Traumatic Brain Injury”
Principal Investigator: Aaron Seitz, PhD
Co-Principal Investigator: Frederick Gallun, PhD
National Institutes of Health, NICHD, R03 2017-2019.

"Perception of dynamic acoustic signals by hearing impaired listeners"
Principal Investigator: Michelle Molis, PhD
Co-Investigators: Frederick Gallun, PhD and Marjorie Leek, PhD
National Institutes of Health, NIDCD, R01 2013-2018.

"Blast exposed Veterans with auditory complaints"
Principal Investigator: Sheila Pratt, PhD
Co-Principal Investigators: Lindsey Jorgensen, PhD; Frederick Gallun, PhD
VA RR&D Merit Award 2015-2019.

“Acoustic and Perceptual Effects of WDRC Amplification”
Principal Investigator: Pamela Souza, PhD
Co-Investigators: Frederick Gallun, PhD and Richard Wright, PhD
National Institutes of Health, NIDCD, R01 2016-2021.

“Using Electrophysiology to Complement Speech Understanding-in-Noise Measures”
Principal Investigator: Curtis Billings, PhD
Co-Investigator: Frederick Gallun, PhD
National Institutes of Health, NIDCD, R01 2016-2021.

“The Brain-Behavior Relationship: Age, Hearing, and their Effects on Understanding Speech in Noise”
Principal Investigator: Curtis Billings, PhD
Co-Investigator: Frederick Gallun, PhD
VA RR&D Merit Award 2016-2021.

“Adaptation, learning and training for spatial hearing in complex environments”
Principal Investigator: Norbert Kopço, PhD
European Union Marie Curie Research and Innovation Staff Exchange, 2016-2018 

Selected Honors and Service

  • Elected Fellow of the Acoustical Society of America
  • Editor-in-Chief (Hearing), Journal of Speech, Language, and Hearing Research (2017-2021)

Selected Recent Publications

Gallun, F.J., Lewis, M.S., Papesh, M.A. (2017) “Auditory complaints among blast-exposed Veterans” Brain Injury. 31(9), 1183-1187. http://dx.doi.org/10.1080/02699052.2016.1274781

Adler, H.J., Anbuhl, K.L., Atcherson, S.R., Barlow, N., Brennan, M.A., Brigande, J.V., Buran, B.N., Fraenzer, J.T., Gale, J.E., Gallun, F.J. and Gluck, S.D. (2017) “Community network for deaf scientists” Science, 356 (6336), 386-387. https://doi.org/10.1126/science.aan2330

Jakien, K.M., Kampel, S.D., Gallun, F.J. (2017) “Validating a rapid, automated test of spatial release from masking” American Journal of Audiology [Advance online publication], 1-12. https://doi.org/10.1044/2017_AJA-17-0013

Papesh, M.A., Folmer, R.L., Gallun, F.J., (2017) “Cortical measures of binaural processing predict spatial release from masking performance” Frontiers in Human Neuroscience, 11:124 http://dx.doi.org/10.3389/fnhum.2017.00124

Hoover, E., Souza, P.E., Gallun, F.J. (2017) “Auditory and cognitive factors associated with speech-in noise complaints following mild traumatic brain injury” Journal of the American Academy of Audiology. 28(4): 325-339. https://doi.org/10.3766/jaaa.16051.

Srinivasan, N.K., Stansell, M.M., Gallun, F.J. (2017) “The role of early and late reflections on spatial release from masking: Effects of age and hearing loss” Journal of the Acoustical Society of America, 141 EL185 http://dx.doi.org/10.1121/1.4973837
 
Ellinger, R.L., Jakien, K.M., Gallun, F.J. (2017) “The role of interaural differences in speech intelligibility in complex multitalker environments” Journal of the Acoustical Society of America, 141 EL170 http://doi.org/10.1121/1.4976113

Gallun, F.J., Lewis, M.S., Folmer, R.L., Hutter, M., Papesh, M.A., Belding, H., Leek, M.R. (2016) “Chronic effects of exposure to high-intensity blasts: Results on tests of Central Auditory Processing” Journal of Rehabilitation Research and Development, 53(6): 705-720. http://www.rehab.research.va.gov/jour/2016/536/pdf/jrrd-2014-12-0313.pdf

Srinivasan, N.K., Jakien, K.M, Gallun, F.J. (2016) “Release from masking for small separations: Effects of age and hearing loss” Journal of the Acoustical Society of America: Express Letters. 140, EL73. http://dx.doi.org/10.1121/1.4954386.

Souza, P., Wright, R., Blackburn, M., Tatman, R., Gallun, F. (2015). "Individual sensitivity to spectral and temporal cues in listeners with hearing impairment." Journal of Speech Language and Hearing Research. 58(2):520-34.

Gallun, F.J., McMillan, G.P., Molis, M.R., Kampel, S.D., Dann, S.M., Konrad-Martin, D. (2014) “Relating age and hearing loss to monaural, bilateral, and binaural temporal sensitivity” Frontiers in Neuroscience. 8:172. http://journal.frontiersin.org/article/10.3389/fnins.2014.00172/

Gallun, F.J., Diedesch, A.C., Kampel, S.D., Jakien, K.M. (2013). “Independent impacts of age and hearing loss on spatial release in a complex auditory environment” Frontiers in Neuroscience. 7:252. doi: http://journal.frontiersin.org/article/10.3389/fnins.2013.00252

Gallun, F.J., Diedesch, A.C., Kubli, L., Walden, T., Folmer, R.L., Lewis, M.S., McDermott, D.J., Fausti, S., Leek, M.R. (2012). “Performance on tests of central auditory processing by individuals exposed to high-intensity blasts” Journal of Rehabilitation Research and Development. 49(7), 1005-1024.

Selected Recent Presentations

Gallun, F.J. (2017) “Normative data for assessing performance on a rapid, automated test of speech-on-speech masking and spatial release from masking” 173rd Meeting of the Acoustical Society of America, Boston, MA

Gallun, F.J. (2017) “Developing portable automated methods for the diagnosis and rehabilitation of auditory processing deficits” Invited Seminar, University College London Ear Institute, London, UK

Gallun, F.J. (2017) “Applying the state of the art in research and technology to train auditory processing with engaging computer games”, 3rd Annual Workshop on Cognitive Neuroscience of Auditory and Cross-modal Perception, P.J. Šafárik University, Košice, Slovakia

Gallun, F.J. (2017) “Spatial release from masking: Effects of age and hearing loss” Invited Seminar, MRC Hearing Institute, Glasgow, Scotland and Nottingham, England

Gallun, F.J. & Molis, M.R. (2016). “Spectral ripple discrimination by listeners with older ears: Modeling and psychophysics”. International Hearing Aid Conference, Lake Tahoe, CA.

Gallun, F. J.
(2015). Assessing auditory processing abilities in blast-exposed Veterans. AudiologyOnline. http://www.audiologyonline.com/audiology-ceus/course/assessing-effects-blast-exposure-and-26974

Gallun, F. J. (2015). “Validating auditory complaints of blast-exposed Veterans” VA State of the Art Workshop on Traumatic Brain Injury 2015, Washington, DC

Gallun, F.J. (2014) “Central Auditory Processing following blast exposure in a Veteran population: Behavioral and electrophysiological evidence”, 32nd Annual Symposium of the National Neurotrauma Society, San Francisco, CA

For additional information on research, presentations and publications, please contact Dr. Gallun