Kanthaiah Koka

Summary

Affiliation: University of Colorado Denver
Country: USA

Publications

  1. doi Electrocochleographic and mechanical assessment of round window stimulation with an active middle ear prosthesis
    Kanthaiah Koka
    Department of Physiology and Biophysics, University of Colorado Denver, Aurora, CO 80045, USA
    Hear Res 263:128-37. 2010
  2. pmc Sound pressure transformations by the head and pinnae of the adult Chinchilla (Chinchilla lanigera)
    Kanthaiah Koka
    Department of Physiology and Biophysics, University of Colorado Medical School, Aurora, CO, USA
    Hear Res 272:135-47. 2011
  3. doi Third-window vibroplasty with an active middle ear implant: assessment of physiologic responses in a model of stapes fixation in Chinchilla lanigera
    J Eric Lupo
    Department of Otolaryngology, University of Colorado School of Medicine, Aurora, Colorado 80045, USA
    Otol Neurotol 33:425-31. 2012
  4. doi Prospective electrophysiologic findings of round window stimulation in a model of experimentally induced stapes fixation
    J Eric Lupo
    Department of Otolaryngology, University of Colorado Denver School of Medicine, Aurora, Colorado, USA
    Otol Neurotol 30:1215-24. 2009
  5. doi The sound source distance dependence of the acoustical cues to location and their encoding by neurons in the inferior colliculus: implications for the Duplex theory
    Heath G Jones
    Department of Physiology and Biophysics, University of Colorado School of Medicine, Aurora, CO 80045, USA
    Adv Exp Med Biol 787:273-82. 2013
  6. pmc Postnatal development of sound pressure transformations by the head and pinnae of the cat: monaural characteristics
    Daniel J Tollin
    Department of Physiology and Biophysics, University of Colorado Health Sciences Center, Aurora, Colorado 80045, USA
    J Acoust Soc Am 125:980-94. 2009
  7. pmc The effects of experimentally induced conductive hearing loss on spectral and temporal aspects of sound transmission through the ear
    J Eric Lupo
    Department of Otolaryngology, University of Colorado Denver, Aurora, CO, USA
    Hear Res 272:30-41. 2011
  8. pmc Concurrent development of the head and pinnae and the acoustical cues to sound location in a precocious species, the chinchilla (Chinchilla lanigera)
    Heath G Jones
    Neuroscience Training Program, Department of Physiology and Biophysics, University of Colorado Denver School of Medicine, East 19th Avenue, Aurora, CO 80045, USA
    J Assoc Res Otolaryngol 12:127-40. 2011
  9. pmc The conductive hearing loss due to an experimentally induced middle ear effusion alters the interaural level and time difference cues to sound location
    Jennifer L Thornton
    Neuroscience Training Program, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
    J Assoc Res Otolaryngol 13:641-54. 2012
  10. pmc Postnatal development of cochlear microphonic and compound action potentials in a precocious species, Chinchilla lanigera
    Heath G Jones
    Neuroscience Training Program and Department of Physiology and Biophysics, University of Colorado School of Medicine, Aurora, Colorado 80045, USA
    J Acoust Soc Am 130:EL38-43. 2011

Collaborators

Detail Information

Publications22

  1. doi Electrocochleographic and mechanical assessment of round window stimulation with an active middle ear prosthesis
    Kanthaiah Koka
    Department of Physiology and Biophysics, University of Colorado Denver, Aurora, CO 80045, USA
    Hear Res 263:128-37. 2010
    ..Mechanical stimulation of the RW with an AMEP produces cochlear responses (CMs) and stapes velocities that are functionally equivalent to acoustic stimulation...
  2. pmc Sound pressure transformations by the head and pinnae of the adult Chinchilla (Chinchilla lanigera)
    Kanthaiah Koka
    Department of Physiology and Biophysics, University of Colorado Medical School, Aurora, CO, USA
    Hear Res 272:135-47. 2011
    ..Removal of the pinnae eliminated the spectral notch cues, reduced the acoustic gain and the ILDs, altered the acoustic axis, and reduced the ITDs...
  3. doi Third-window vibroplasty with an active middle ear implant: assessment of physiologic responses in a model of stapes fixation in Chinchilla lanigera
    J Eric Lupo
    Department of Otolaryngology, University of Colorado School of Medicine, Aurora, Colorado 80045, USA
    Otol Neurotol 33:425-31. 2012
    ..Mechanical stimulation through a cochlear third window into the scala tympani in a chinchilla model with normal and fixed stapes can generate cochlear responses equivalent to acoustic stimuli...
  4. doi Prospective electrophysiologic findings of round window stimulation in a model of experimentally induced stapes fixation
    J Eric Lupo
    Department of Otolaryngology, University of Colorado Denver School of Medicine, Aurora, Colorado, USA
    Otol Neurotol 30:1215-24. 2009
    ....
  5. doi The sound source distance dependence of the acoustical cues to location and their encoding by neurons in the inferior colliculus: implications for the Duplex theory
    Heath G Jones
    Department of Physiology and Biophysics, University of Colorado School of Medicine, Aurora, CO 80045, USA
    Adv Exp Med Biol 787:273-82. 2013
    ..Using information theoretic methods, we ­demonstrate that a population of IC neurons can encode the full range of acoustic ILDs across frequency that would be experienced as a joint function of source location and distance...
  6. pmc Postnatal development of sound pressure transformations by the head and pinnae of the cat: monaural characteristics
    Daniel J Tollin
    Department of Physiology and Biophysics, University of Colorado Health Sciences Center, Aurora, Colorado 80045, USA
    J Acoust Soc Am 125:980-94. 2009
    ..These monaural acoustical properties of the head and pinnae in the cat are mature by 16 weeks...
  7. pmc The effects of experimentally induced conductive hearing loss on spectral and temporal aspects of sound transmission through the ear
    J Eric Lupo
    Department of Otolaryngology, University of Colorado Denver, Aurora, CO, USA
    Hear Res 272:30-41. 2011
    ..Upon ear plugging with acoustic foam, a mild CHL is induced. Furthermore, the CHL induced by acoustic foam results in substantial changes in the magnitudes of both the ITD and ILD cues to sound location...
  8. pmc Concurrent development of the head and pinnae and the acoustical cues to sound location in a precocious species, the chinchilla (Chinchilla lanigera)
    Heath G Jones
    Neuroscience Training Program, Department of Physiology and Biophysics, University of Colorado Denver School of Medicine, East 19th Avenue, Aurora, CO 80045, USA
    J Assoc Res Otolaryngol 12:127-40. 2011
    ..The dimension of the head and pinnae in the chinchilla as well as the acoustical properties associated with them are mature by ~6 weeks...
  9. pmc The conductive hearing loss due to an experimentally induced middle ear effusion alters the interaural level and time difference cues to sound location
    Jennifer L Thornton
    Neuroscience Training Program, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
    J Assoc Res Otolaryngol 13:641-54. 2012
    ..The data show that in an experimental model of OME, ILDs and ITDs are shifted in the spatial direction of the ear without the experimental effusion...
  10. pmc Postnatal development of cochlear microphonic and compound action potentials in a precocious species, Chinchilla lanigera
    Heath G Jones
    Neuroscience Training Program and Department of Physiology and Biophysics, University of Colorado School of Medicine, Aurora, Colorado 80045, USA
    J Acoust Soc Am 130:EL38-43. 2011
    ..CAP thresholds reached adult-like values between P7-P14, but the suprathreshold CAP amplitude continued to increase until ∼P28. The results confirm the auditory precociousness of the chinchilla...
  11. doi Active middle ear implant application in case of stapes fixation: a temporal bone study
    Arnaud Deveze
    Department of Physiology and Biophysics, School of Medicine, University of Colorado Denver, Aurora, Colorado 80045, U S A
    Otol Neurotol 31:1027-34. 2010
    ..Driving the oval window directly with an active middle ear implant (AMEI) can produce high levels of input to the inner ear...
  12. doi Physiological assessment of active middle ear implant coupling to the round window in Chinchilla lanigera
    J Eric Lupo
    Department of Otolaryngology, University of Colorado School of Medicine, Aurora, Colorado 80045, USA
    Otolaryngol Head Neck Surg 145:641-7. 2011
    ..To study the effects of various active middle ear implant loading parameters on round window stimulation in an animal model...
  13. pmc Conductive hearing loss induced by experimental middle-ear effusion in a chinchilla model reveals impaired tympanic membrane-coupled ossicular chain movement
    Jennifer L Thornton
    Department of Physiology and Biophysics, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA
    J Assoc Res Otolaryngol 14:451-64. 2013
    ....
  14. pmc Round window membrane implantation with an active middle ear implant: a study of the effects on the performance of round window exposure and transducer tip diameter in human cadaveric temporal bones
    Stephane Tringali
    Department of Physiology and Biophysics, University of Colorado Medical School, Aurora, Colo, USA
    Audiol Neurootol 15:291-302. 2010
    ..To assess the importance of 2 variables, transducer tip diameter and resection of the round window (RW) niche, affecting the optimization of the mechanical stimulation of the RW membrane with an active middle ear implant (AMEI)...
  15. pmc Varying overall sound intensity to the two ears impacts interaural level difference discrimination thresholds by single neurons in the lateral superior olive
    Jeffrey J Tsai
    Department of Physiology and Biophysics, University of Colorado Health Sciences Center, Aurora, Colorado, USA
    J Neurophysiol 103:875-86. 2010
    ..Testable predictions of this model and comparison to other computational models addressing stimulus invariance were considered...
  16. pmc Postnatal development of sound pressure transformations by the head and pinnae of the cat: Binaural characteristics
    Daniel J Tollin
    Department of Physiology and Biophysics, University of Colorado Health Sciences Center, Aurora, Colorado 80045, USA
    J Acoust Soc Am 126:3125-36. 2009
    ..ILD and ITD cues in cats reach maturity by approximately 16 and approximately 22 weeks, respectively, which match the time period over which the pinnae and head dimensions reach maturity...
  17. doi Intraoperative adjustments to optimize active middle ear implant performance
    Stephane Tringali
    Department of Otolaryngology, University of Colorado Medical School, Aurora, USA
    Acta Otolaryngol 131:27-35. 2011
    ....
  18. pmc The acoustical cues to sound location in the rat: measurements of directional transfer functions
    Kanthaiah Koka
    Department of Physiology and Biophysics, University of Colorado Health Sciences Center, Stop 8307, P O Box 6511, Aurora, Colorado 80045, USA
    J Acoust Soc Am 123:4297-309. 2008
    ..Removal of the pinna eliminated the spectral notches, reduced the acoustic gain and ILDs, altered the acoustical axis, and reduced the ITDs...
  19. ncbi The distance-dependence of interaural level difference cues to sound location and their encoding by neurons the inferior colliculus - implications for the Duplex theory
    Heath G Jones
    Department of Physiology and Biophysics, University of Colorado Medical School, Aurora, CO 80045
    J Acoust Soc Am 131:3305. 2012
    ..We demonstrate that a population of neurons is sufficient to encode the frequency-dependent range of ILDs that would be experienced as a function of location and distance. (R01-DC01155)...
  20. pmc Interaural level difference discrimination thresholds for single neurons in the lateral superior olive
    Daniel J Tollin
    Department of Physiology and Biophysics, University of Colorado Health Sciences Center, Aurora, Colorado 80045, USA
    J Neurosci 28:4848-60. 2008
    ..5 dB, with a median of 2.3 dB. These findings support the hypothesis that the LSO plays a role in the extraction of ILD, and that the representation of ILD by LSO neurons may set a lower bound on the behavioral sensitivity to ILDs...
  21. pmc Toward a mouse neuroethology in the laboratory environment
    Anthony M Oliva
    Department of Cell and Developmental Biology, University of Colorado Medical School, Aurora, Colorado, United States of America
    PLoS ONE 5:e11359. 2010
    ....
  22. ncbi Improvement of spatial selectivity and decrease of mutual information of tri-polar concentric ring electrodes
    Kanthaiah Koka
    Department of Physiology and Biophysics, University of Colorado at Denver Health Sciences Center, Denver, CO, USA
    J Neurosci Methods 165:216-22. 2007
    ..These characteristics should make tri-polar concentric electrodes beneficial for EEG applications...