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Robert Shannon, PhD

TitleProfessor of Research Otolaryngology-Head & Neck Surgery
InstitutionUniversity of Southern California
DepartmentOtolaryngology
AddressJTC 806 W. Adams Boulevard
Health Sciences Campus
Los Angeles CA 90007
Phone+1 213 764 2825
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    Collapse Overview 
    Collapse Overview
    I am interested in how auditory information is coded in the nervous system. My original research attempted to find common elements in physiological responses and perception of acoustic sound. Since 1977 my research has focused primarily on prosthetic electrical stimulation to restore hearing: cochlear implants, brainstem implants and midbrain implants. My research programs range from the biophysics and psychophysics of electrical stimulation of the auditory system, to speech pattern recognition and the design of signal processing for prosthetic devices. Research on auditory prostheses spans the fields of biomedical engineering, anatomy, physiology, psychophysics, perceptual object formation and pattern recognition. Artificial activation of a sensory system at different levels of processing can reveal the importance of various cues to auditory perception. The comparison of simple and complex perception between normal hearing and prosthetic activation of the cochlea, auditory brainstem and auditory midbrain gives insights into processing, storage and retrieval of auditory information in the nervous system.


    Collapse Research 
    Collapse Research Activities and Funding
    Conference on Implantable Auditory Prostheses
    NIH/NIDCD R13DC015965Apr 1, 2017 - Mar 31, 2022
    Role: Co-Principal Investigator
    2013 and 2015 Conferences on Implantable Auditory Prostheses
    NIH/NIDCD R13DC013522Jul 1, 2013 - Jun 30, 2016
    Role: Principal Investigator
    2011 Conference on Implantable Auditory Prostheses
    NIH/NIDCD R13DC012024Jul 1, 2011 - Jun 30, 2012
    Role: Principal Investigator
    2009 Conference on Implantable Auditory Prostheses
    NIH/NIDCD R13DC010300Jul 1, 2009 - Jun 30, 2010
    Role: Principal Investigator
    2007 Conference on Implantable Auditory Prostheses
    NIH/NIDCD R13DC009206Jun 1, 2007 - May 31, 2008
    Role: Principal Investigator
    2005 Conference on Implantable auditory Prostheses
    NIH/NIDCD R13DC007831Jul 1, 2005 - Jun 30, 2006
    Role: Principal Investigator
    House Research Institute Core Center
    NIH/NIDCD P30DC006276Aug 1, 2003 - Jan 31, 2017
    Role: Principal Investigator
    2003 Conference on Implantable Auditory Prostheses
    NIH/NIDCD R13DC006256Aug 1, 2003 - Jul 31, 2004
    Role: Principal Investigator
    2001 Conference On Implantable Auditory Prosthses
    NIH/NIDCD R13DC005041Aug 1, 2001 - Jul 31, 2002
    Role: Principal Investigator
    1999 CONFERENCE ON IMPLANTABLE AUDITORY PROSTHESES
    NIH/NIDCD R13DC004172Aug 1, 1999 - Jul 31, 2000
    Role: Principal Investigator
    SPEECH PROCESSORS FOR AUDITORY PROSTHESES HOUSE EAR INST
    NIH/NIDCD N01DC092100Jan 1, 1999 - Dec 31, 2001
    Role: Principal Investigator
    1997 CONFERENCE ON IMPLANTABLE AUDITORY PROSTHESES
    NIH/NIDCD R13DC003385Aug 1, 1997 - Jul 31, 1998
    Role: Principal Investigator
    1995 CONFERENCE ON IMPLANTABLE AUDITORY PROSTHESES
    NIH/NIDCD R13DC002770Jul 1, 1995 - Jun 30, 1996
    Role: Principal Investigator
    Electric Stimulation of the Human Cochlea, Brainstem, and Midbrain
    NIH/NIDCD R01DC001526May 1, 1992 - Mar 31, 2014
    Role: Principal Investigator
    TEMPORAL PROCESSING IN COCHLEAR IMPLANTS
    NIH/NIDCD R29DC000409Apr 1, 1987 - Mar 31, 1992
    Role: Principal Investigator
    TEMPORAL PROCESSING IN COCHLEAR IMPLANTS
    NIH/NINDS R29NS024754Apr 1, 1987 - Mar 31, 1992
    Role: Principal Investigator

    Collapse ORNG Applications 
    Collapse Clinical Trials
    Collapse Websites

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
    List All   |   Timeline
    1. Wilkinson EP, Eisenberg LS, Krieger MD, Schwartz MS, Winter M, Glater JL, Martinez AS, Fisher LM, Shannon R. Initial Results of a Safety and Feasibility Study of Auditory Brainstem Implantation in Congenitally Deaf Children. Otol Neurotol. 2017 02; 38(2):212-220. PMID: 27898605.
      View in: PubMed
    2. Sennaroglu L, Colletti V, Lenarz T, Manrique M, Laszig R, Rask-Andersen H, Göksu N, Offeciers E, Saeed S, Behr R, Bayazit Y, Casselman J, Freeman S, Kileny P, Lee DJ, Shannon R, Kameswaran M, Hagr A, Zarowski A, Schwartz MS, Bilginer B, Kishore A, Sennaroglu G, Yücel E, Saraç S, Atas A, Colletti L, O'Driscoll M, Moon IS, Gärtner L, Huarte A, Nyberg G, Mocan BÖ, Atay G, Bajin MD, Çinar BÇ, Batuk MÖ, Yarali M, Aydinli FE, Aslan F, Kirazli MC, Özkan HB, Hans JM, Kosaner J, Polak M. Consensus statement: Long-term results of ABI in children with complex inner ear malformations and decision making between CI and ABI. Cochlear Implants Int. 2016 07; 17(4):163-171. PMID: 27442073.
      View in: PubMed
    3. Shannon R. Is Birdsong More Like Speech or Music? Trends Cogn Sci. 2016 Apr; 20(4):245-247. PMID: 26944220.
      View in: PubMed
    4. Fisher LM, Eisenberg LS, Krieger M, Wilkinson EP, Shannon R. Regulatory and funding strategies to develop a safety study of an auditory brainstem implant in young children who are deaf. Ther Innov Regul Sci. 2015 Sep; 49(5):659-665. PMID: 26366332.
      View in: PubMed
    5. Shannon R. Auditory implant research at the House Ear Institute 1989-2013. Hear Res. 2015 Apr; 322:57-66. PMID: 25449009; PMCID: PMC4380593.
    6. Colletti L, Shannon R, Colletti V. The development of auditory perception in children after auditory brainstem implantation. Audiol Neurootol. 2014; 19(6):386-94. PMID: 25377987; PMCID: PMC4289463.
    7. Lim HH, Shannon R. Two Laskers and Counting: Learning From the Past Enables Future Innovations With Central Neural Prostheses. Brain Stimul. 2015 May-Jun; 8(3):439-41. PMID: 25468073.
      View in: PubMed
    8. Goldsworthy RL, Shannon R. Training improves cochlear implant rate discrimination on a psychophysical task. J Acoust Soc Am. 2014 Jan; 135(1):334-41. PMID: 24437773; PMCID: PMC3985914.
    9. Srinivasan AG, Padilla M, Shannon R, Landsberger DM. Improving speech perception in noise with current focusing in cochlear implant users. Hear Res. 2013 May; 299:29-36. PMID: 23467170; PMCID: PMC3639477.
    10. Colletti L, Shannon R, Colletti V. Auditory brainstem implants for neurofibromatosis type 2. Curr Opin Otolaryngol Head Neck Surg. 2012 Oct; 20(5):353-7. PMID: 22886036.
      View in: PubMed
    11. Srinivasan AG, Shannon R, Landsberger DM. Improving virtual channel discrimination in a multi-channel context. Hear Res. 2012 Apr; 286(1-2):19-29. PMID: 22616092.
      View in: PubMed
    12. Shannon R. Advances in auditory prostheses. Curr Opin Neurol. 2012 Feb; 25(1):61-6. PMID: 22157109; PMCID: PMC4123811.
    13. Otto SR, Moore J, Linthicum F, Hitselberger W, Brackmann D, Shannon R. Histopathological analysis of a 15-year user of an auditory brainstem implant. Laryngoscope. 2012 Mar; 122(3):645-8. PMID: 22253008; PMCID: PMC3860275.
    14. Colletti L, Mandalà M, Shannon R, Colletti V. Estimated net saving to society from cochlear implantation in infants: a preliminary analysis. Laryngoscope. 2011 Nov; 121(11):2455-60. PMID: 22020896.
      View in: PubMed
    15. Colletti L, Mandalà M, Zoccante L, Shannon R, Colletti V. Infants versus older children fitted with cochlear implants: performance over 10 years. Int J Pediatr Otorhinolaryngol. 2011 Apr; 75(4):504-9. PMID: 21277638.
      View in: PubMed
    16. Srinivasan AG, Landsberger DM, Shannon R. Current focusing sharpens local peaks of excitation in cochlear implant stimulation. Hear Res. 2010 Dec 01; 270(1-2):89-100. PMID: 20850513; PMCID: PMC2997903.
    17. Shannon R, Cruz RJ, Galvin JJ. Effect of stimulation rate on cochlear implant users' phoneme, word and sentence recognition in quiet and in noise. Audiol Neurootol. 2011; 16(2):113-23. PMID: 20639631; PMCID: PMC2948665.
    18. Colletti V, Shannon R, Carner M, Veronese S, Colletti L. Complications in auditory brainstem implant surgery in adults and children. Otol Neurotol. 2010 Jun; 31(4):558-64. PMID: 20393378.
      View in: PubMed
    19. Colletti V, Shannon R, Carner M, Veronese S, Colletti L. Outcomes in nontumor adults fitted with the auditory brainstem implant: 10 years' experience. Otol Neurotol. 2009 Aug; 30(5):614-8. PMID: 19546832.
      View in: PubMed
    20. Galvin JJ, Fu QJ, Shannon R. Melodic contour identification and music perception by cochlear implant users. Ann N Y Acad Sci. 2009 Jul; 1169:518-33. PMID: 19673835; PMCID: PMC3627487.
    21. Moore DR, Shannon R. Beyond cochlear implants: awakening the deafened brain. Nat Neurosci. 2009 Jun; 12(6):686-91. PMID: 19471266.
      View in: PubMed
    22. Carner M, Colletti L, Shannon R, Cerini R, Barillari M, Mucelli RP, Colletti V. Imaging in 28 children with cochlear nerve aplasia. Acta Otolaryngol. 2009 Apr; 129(4):458-61. PMID: 19263257.
      View in: PubMed
    23. Colletti V, Shannon R, Carner M, Veronese S, Colletti L. Progress in restoration of hearing with the auditory brainstem implant. Prog Brain Res. 2009; 175:333-45. PMID: 19660666.
      View in: PubMed
    24. Otto SR, Shannon R, Wilkinson EP, Hitselberger WE, McCreery DB, Moore JK, Brackmann DE. Audiologic outcomes with the penetrating electrode auditory brainstem implant. Otol Neurotol. 2008 Dec; 29(8):1147-54. PMID: 18931643.
      View in: PubMed
    25. Schwartz MS, Otto SR, Shannon R, Hitselberger WE, Brackmann DE. Auditory brainstem implants. Neurotherapeutics. 2008 Jan; 5(1):128-36. PMID: 18164492.
      View in: PubMed
    26. Baskent D, Shannon R. Combined effects of frequency compression-expansion and shift on speech recognition. Ear Hear. 2007 Jun; 28(3):277-89. PMID: 17485977.
      View in: PubMed
    27. Colletti V, Shannon R, Carner M, Sacchetto L, Turazzi S, Masotto B, Colletti L. The first successful case of hearing produced by electrical stimulation of the human midbrain. Otol Neurotol. 2007 Jan; 28(1):39-43. PMID: 17195744.
      View in: PubMed
    28. Baskent D, Shannon R. Frequency transposition around dead regions simulated with a noiseband vocoder. J Acoust Soc Am. 2006 Feb; 119(2):1156-63. PMID: 16521776.
      View in: PubMed
    29. Stickney GS, Loizou PC, Mishra LN, Assmann PF, Shannon R, Opie JM. Effects of electrode design and configuration on channel interactions. Hear Res. 2006 Jan; 211(1-2):33-45. PMID: 16338109.
      View in: PubMed
    30. Chatterjee M, Galvin JJ, Fu QJ, Shannon R. Effects of stimulation mode, level and location on forward-masked excitation patterns in cochlear implant patients. J Assoc Res Otolaryngol. 2006 Mar; 7(1):15-25. PMID: 16270234; PMCID: PMC2504584.
    31. Colletti V, Shannon R. Open set speech perception with auditory brainstem implant? Laryngoscope. 2005 Nov; 115(11):1974-8. PMID: 16319608.
      View in: PubMed
    32. Baskent D, Shannon R. Interactions between cochlear implant electrode insertion depth and frequency-place mapping. J Acoust Soc Am. 2005 Mar; 117(3 Pt 1):1405-16. PMID: 15807028.
      View in: PubMed
    33. Friesen LM, Shannon R, Cruz RJ. Effects of stimulation rate on speech recognition with cochlear implants. Audiol Neurootol. 2005 May-Jun; 10(3):169-84. PMID: 15724088.
      View in: PubMed
    34. Shannon R. Speech and music have different requirements for spectral resolution. Int Rev Neurobiol. 2005; 70:121-34. PMID: 16472633.
      View in: PubMed
    35. Baskent D, Shannon R. Frequency-place compression and expansion in cochlear implant listeners. J Acoust Soc Am. 2004 Nov; 116(5):3130-40. PMID: 15603158.
      View in: PubMed
    36. Shannon R, Fu QJ, Galvin J. The number of spectral channels required for speech recognition depends on the difficulty of the listening situation. Acta Otolaryngol Suppl. 2004 May; (552):50-4. PMID: 15219048.
      View in: PubMed
    37. Kuchta J, Otto SR, Shannon R, Hitselberger WE, Brackmann DE. The multichannel auditory brainstem implant: how many electrodes make sense? J Neurosurg. 2004 Jan; 100(1):16-23. PMID: 14743907.
      View in: PubMed
    38. Baskent D, Shannon R. Speech recognition under conditions of frequency-place compression and expansion. J Acoust Soc Am. 2003 Apr; 113(4 Pt 1):2064-76. PMID: 12703717.
      View in: PubMed
    39. Schwartz MS, Otto SR, Brackmann DE, Hitselberger WE, Shannon R. Use of a multichannel auditory brainstem implant for neurofibromatosis type 2. Stereotact Funct Neurosurg. 2003; 81(1-4):110-4. PMID: 14742973.
      View in: PubMed
    40. Shannon R. The relative importance of amplitude, temporal, and spectral cues for cochlear implant processor design. Am J Audiol. 2002 Dec; 11(2):124-7. PMID: 12691223.
      View in: PubMed
    41. Fu QJ, Shannon R, Galvin JJ. Perceptual learning following changes in the frequency-to-electrode assignment with the Nucleus-22 cochlear implant. J Acoust Soc Am. 2002 Oct; 112(4):1664-74. PMID: 12398471.
      View in: PubMed
    42. Fu QJ, Shannon R. Frequency mapping in cochlear implants. Ear Hear. 2002 Aug; 23(4):339-48. PMID: 12195176.
      View in: PubMed
    43. Shannon R, Galvin JJ, Baskent D. Holes in hearing. J Assoc Res Otolaryngol. 2002 Jun; 3(2):185-99. PMID: 12162368; PMCID: PMC3202404.
    44. Otto SR, Brackmann DE, Hitselberger WE, Shannon R, Kuchta J. Multichannel auditory brainstem implant: update on performance in 61 patients. J Neurosurg. 2002 Jun; 96(6):1063-71. PMID: 12066908.
      View in: PubMed
    45. Zeng FG, Grant G, Niparko J, Galvin J, Shannon R, Opie J, Segel P. Speech dynamic range and its effect on cochlear implant performance. J Acoust Soc Am. 2002 Jan; 111(1 Pt 1):377-86. PMID: 11831811.
      View in: PubMed