BRYAN PFINGST

Summary

Affiliation: University of Michigan
Country: USA

Publications

  1. ncbi request reprint Effects of pulse separation on detection thresholds for electrical stimulation of the human cochlea
    B E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan Medical Center, Ann Arbor 48109 0506, USA
    Hear Res 98:77-92. 1996
  2. pmc Psychophysical assessment of stimulation sites in auditory prosthesis electrode arrays
    Bryan E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan Health System, Ann Arbor, MI 48109 5506, USA
    Hear Res 242:172-83. 2008
  3. pmc Across-site patterns of modulation detection in listeners with cochlear implants
    Bryan E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, Ann Arbor, Michigan 48109 5616, USA
    J Acoust Soc Am 123:1054-62. 2008
  4. pmc Spectral and temporal cues for speech recognition: implications for auditory prostheses
    Li Xu
    School of Hearing, Speech and Language Sciences, Ohio University, Athens, OH 45701, USA
    Hear Res 242:132-40. 2008
  5. pmc Effects of deafening and cochlear implantation procedures on postimplantation psychophysical electrical detection thresholds
    Gina L Su
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, 1150 West Medical Center Drive, Ann Arbor, MI 48109 5616, USA
    Hear Res 241:64-72. 2008
  6. pmc Across-site patterns of modulation detection: relation to speech recognition
    Soha N Garadat
    Department of Otolaryngology, Kresge Hearing Research Institute, University of Michigan, Ann Arbor, Michigan 48109 5616, USA
    J Acoust Soc Am 131:4030-41. 2012
  7. pmc Detection of pulse trains in the electrically stimulated cochlea: effects of cochlear health
    Bryan E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, 1150 West Medical Center Drive, Ann Arbor, Michigan 48109 5616, USA
    J Acoust Soc Am 130:3954-68. 2011
  8. pmc Effects of electrode configuration on cochlear implant modulation detection thresholds
    Bryan E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, Ann Arbor, Michigan 48109 5616, USA
    J Acoust Soc Am 129:3908-15. 2011
  9. pmc Cochlear infrastructure for electrical hearing
    Bryan E Pfingst
    Department of Otolaryngology, Kresge Hearing Research Institute, University of Michigan, 1150 West Medical Center Drive, Ann Arbor, MI 48109 5616, USA
    Hear Res 281:65-73. 2011
  10. pmc Effects of carrier pulse rate and stimulation site on modulation detection by subjects with cochlear implants
    Bryan E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, Ann Arbor 48109 0506, USA
    J Acoust Soc Am 121:2236-46. 2007

Collaborators

Detail Information

Publications28

  1. ncbi request reprint Effects of pulse separation on detection thresholds for electrical stimulation of the human cochlea
    B E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan Medical Center, Ann Arbor 48109 0506, USA
    Hear Res 98:77-92. 1996
    ..However, significant variation in this measure across species has been seen...
  2. pmc Psychophysical assessment of stimulation sites in auditory prosthesis electrode arrays
    Bryan E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan Health System, Ann Arbor, MI 48109 5506, USA
    Hear Res 242:172-83. 2008
    ..Another approach is to revise stimulation parameters for ineffective sites in an effort to improve acuity at those sites. In this paper, we discuss data supporting these approaches and some potential pitfalls...
  3. pmc Across-site patterns of modulation detection in listeners with cochlear implants
    Bryan E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, Ann Arbor, Michigan 48109 5616, USA
    J Acoust Soc Am 123:1054-62. 2008
    ..MDTs sampled from multiple sites in a listener's electrode array might be useful for diagnosing across-subject differences in speech recognition with cochlear implants and for guiding strategies to improve the individual's perception...
  4. pmc Spectral and temporal cues for speech recognition: implications for auditory prostheses
    Li Xu
    School of Hearing, Speech and Language Sciences, Ohio University, Athens, OH 45701, USA
    Hear Res 242:132-40. 2008
    ..Most current auditory prostheses seem to deliver adequate temporal-envelope information, but the number of effective channels is suboptimal, particularly for speech recognition in noise, lexical tone recognition, and music perception...
  5. pmc Effects of deafening and cochlear implantation procedures on postimplantation psychophysical electrical detection thresholds
    Gina L Su
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, 1150 West Medical Center Drive, Ann Arbor, MI 48109 5616, USA
    Hear Res 241:64-72. 2008
    ..They also suggest that surviving hair cells influence electrical threshold levels...
  6. pmc Across-site patterns of modulation detection: relation to speech recognition
    Soha N Garadat
    Department of Otolaryngology, Kresge Hearing Research Institute, University of Michigan, Ann Arbor, Michigan 48109 5616, USA
    J Acoust Soc Am 131:4030-41. 2012
    ..Better speech recognition was observed when the processor MAP consisted of sites with best masked MDTs, suggesting that temporal modulation sensitivity has important contributions to speech recognition with a cochlear implant...
  7. pmc Detection of pulse trains in the electrically stimulated cochlea: effects of cochlear health
    Bryan E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, 1150 West Medical Center Drive, Ann Arbor, Michigan 48109 5616, USA
    J Acoust Soc Am 130:3954-68. 2011
    ..The amount of multipulse integration was correlated with the health of the implanted cochlea with implications for perception of more complex prosthetic stimuli...
  8. pmc Effects of electrode configuration on cochlear implant modulation detection thresholds
    Bryan E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, Ann Arbor, Michigan 48109 5616, USA
    J Acoust Soc Am 129:3908-15. 2011
    ....
  9. pmc Cochlear infrastructure for electrical hearing
    Bryan E Pfingst
    Department of Otolaryngology, Kresge Hearing Research Institute, University of Michigan, 1150 West Medical Center Drive, Ann Arbor, MI 48109 5616, USA
    Hear Res 281:65-73. 2011
    ..Results of these studies support the efforts to improve the biological infrastructure in the implanted ear and guide strategies which optimize stimulation patterns to match patient-specific conditions in the cochlea...
  10. pmc Effects of carrier pulse rate and stimulation site on modulation detection by subjects with cochlear implants
    Bryan E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, Ann Arbor 48109 0506, USA
    J Acoust Soc Am 121:2236-46. 2007
    ..The data suggest a distinct disadvantage to using carrier pulse rates as high as 4000 pps. Stimulation site should be considered in evaluating modulation detection ability...
  11. pmc Psychophysical metrics and speech recognition in cochlear implant users
    Bryan E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan Health System, Ann Arbor, MI 48109 0506, USA
    Audiol Neurootol 10:331-41. 2005
    ..Thus, these psychophysical metrics are effective for diagnosis of individual differences in performance of subjects with cochlear implants. Furthermore, they point to some potentially useful treatment procedures...
  12. pmc Across-site threshold variation in cochlear implants: relation to speech recognition
    Bryan E Pfingst
    Department of Otolaryngology, Kresge Hearing Research Institute, University of Michigan Health System, Ann Arbor, MI 48109, USA
    Audiol Neurootol 9:341-52. 2004
    ....
  13. pmc Across-site variation in detection thresholds and maximum comfortable loudness levels for cochlear implants
    Bryan E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, Ann Arbor, MI 48109 0506, USA
    J Assoc Res Otolaryngol 5:11-24. 2004
    ..Control studies suggested that these results were not an artifact of the scale, and not due to differences in inherent variability of the psychophysical measures, or to the method of quantifying across-site variation...
  14. pmc Effects of electrode configuration and place of stimulation on speech perception with cochlear prostheses
    B E Pfingst
    Department of Otolaryngology, Kresge Hearing Research Institute, University of Michigan Health System, Ann Arbor, MI 48109 0506, USA
    J Assoc Res Otolaryngol 2:87-103. 2001
    ..Correlations of subjective judgments of sound quality with speech-recognition ability were moderate, suggesting that the mechanisms contributing to subjective quality and speech-recognition ability do not completely overlap...
  15. ncbi request reprint Effects of stimulus level on electrode-place discrimination in human subjects with cochlear implants
    B E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, Ann Arbor 48109 0506, USA
    Hear Res 134:105-15. 1999
    ..These results suggest interactions between current spread and the condition of the implanted cochlea as underlying mechanisms...
  16. ncbi request reprint Effects of stimulus configuration on psychophysical operating levels and on speech recognition with cochlear implants
    B E Pfingst
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan Medical Center, Ann Arbor 48109 0506, USA
    Hear Res 112:247-60. 1997
    ....
  17. pmc Effects of hearing preservation on psychophysical responses to cochlear implant stimulation
    Stephen Y Kang
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, Ann Arbor, MI 48109 5616, USA
    J Assoc Res Otolaryngol 11:245-65. 2010
    ..We hypothesize that the differences in detection thresholds between groups are caused by the electrical activation of the hair cells in group I animals and/or differences between groups in the condition of the spiral ganglion neurons...
  18. pmc Effects of stimulus level on speech perception with cochlear prostheses
    Kevin H Franck
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan Health System, Ann Arbor 48109 0506, USA
    J Assoc Res Otolaryngol 4:49-59. 2003
    ..These results suggest that if speech processors are programmed to optimize level for each individual, speech perception performance could be improved...
  19. pmc Over-expression of BDNF by adenovirus with concurrent electrical stimulation improves cochlear implant thresholds and survival of auditory neurons
    JENNIFER A CHIKAR
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan Medical School, Ann Arbor, MI 48109 5616, United States
    Hear Res 245:24-34. 2008
    ..These results indicate that the changes in the anatomy of the auditory nerve induced by the combination of Ad.BDNF inoculation and the electrical stimulation used for testing improved functional measures of CI performance...
  20. pmc Transgenic BDNF induces nerve fiber regrowth into the auditory epithelium in deaf cochleae
    Seiji B Shibata
    Kresge Hearing Research Institute, Department of Otolaryngology, The University of Michigan, 1150 W Med Cntr Dr, Ann Arbor, MI 48109 5648, USA
    Exp Neurol 223:464-72. 2010
    ..This model also provides a general experimental stage for drawing nerve fibers into a tissue devoid of neurons, and studying the interaction between the nerve fibers and the tissue...
  21. pmc Visualization of spiral ganglion neurites within the scala tympani with a cochlear implant in situ
    JENNIFER A CHIKAR
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, 1150 W Medical Center Drive, Room 4605 Med Sci II, Ann Arbor, MI 48109 5616, USA
    J Neurosci Methods 179:201-7. 2009
    ..This paper presents a novel histological technique that enables simultaneous visualization of the in situ cochlear implant and neurofilament-labeled nerve processes within the scala tympani, and the spatial relationship between them...
  22. ncbi request reprint Current-level discrimination using bipolar and monopolar electrode configurations in cochlear implants
    Ward R Drennan
    Department of Otolaryngology, Kresge Hearing Research Institute, University of Michigan, Ann Arbor, 48109 0506, USA
    Hear Res 202:170-9. 2005
    ....
  23. pmc Features of stimulation affecting tonal-speech perception: implications for cochlear prostheses
    Li Xu
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, Ann Arbor 48109, USA
    J Acoust Soc Am 112:247-58. 2002
    ..A third experiment showed that recognition of processed FM patterns that mimic Mandarin tone patterns was poor when temporal envelope and duration cues were removed...
  24. ncbi request reprint Efficacy of a cochlear implant simultaneous analog stimulation strategy coupled with a monopolar electrode configuration
    Li Xu
    Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, Ann Arbor, Michigan, USA
    Ann Otol Rhinol Laryngol 114:886-93. 2005
    ..The present study was performed to evaluate the efficacy and clinical feasibility of using monopolar stimulation with the Clarion Simultaneous Analog Stimulation (SAS) strategy in patients with cochlear implants...
  25. pmc Current-level discrimination in the context of interleaved, multichannel stimulation in cochlear implants: effects of number of stimulated electrodes, pulse rate, and electrode separation
    Ward R Drennan
    Kresge Hearing Research Institute, University of Michigan, Ann Arbor, MI 48109 0506, USA
    J Assoc Res Otolaryngol 7:308-16. 2006
    ..This might have been the result of adaptation to the clinical pulse rate, or listeners might have chosen their inherently best pulse rate during the clinical fitting...
  26. doi request reprint Frontiers of auditory prosthesis research: implications for clinical practice
    Bryan E Pfingst
    Hear Res 242:1-2. 2008
  27. pmc Relative importance of temporal envelope and fine structure in lexical-tone perception
    Li Xu
    J Acoust Soc Am 114:3024-7. 2003
  28. pmc Relative contributions of spectral and temporal cues for phoneme recognition
    Li Xu
    School of Hearing, Speech and Language Sciences, Ohio University, Athens, Ohio 45701, USA
    J Acoust Soc Am 117:3255-67. 2005
    ..Information transfer analyses showed different relative contributions of spectral and temporal cues in the perception of various phonetic/acoustic features...

Research Grants21

  1. FUNCTIONAL EFFECTS OF DEAFNESS AND NEURAL STIMULATION
    BRYAN PFINGST; Fiscal Year: 1999
    ..Spiral ganglion cell counts will also be taken after animals are sacrificed. ..
  2. FEATURES OF STIMULATION IMPORTANT FOR ELECTRICAL HEARING
    BRYAN PFINGST; Fiscal Year: 2003
    ..abstract_text> ..
  3. Acoustic and electrical hearing after Atoh1 treatment
    BRYAN PFINGST; Fiscal Year: 2007
    ....
  4. Acoustic and electrical hearing after Atoh1 treatment
    Bryan E Pfingst; Fiscal Year: 2010
    ....
  5. Across-Site Patterns of Perception with Cochlear Implants
    Bryan E Pfingst; Fiscal Year: 2010
    ....
  6. FUNCTIONAL EFFECTS OF DEAFNESS AND NEURAL STIMULATION
    BRYAN PFINGST; Fiscal Year: 2005
    ....
  7. Acoustic and electrical hearing after Atoh1 treatment
    BRYAN PFINGST; Fiscal Year: 2009
    ..abstract_text> ..