R Y Litovsky

Summary

Affiliation: University of Wisconsin
Country: USA

Publications

  1. pmc Speech intelligibility in free field: spatial unmasking in preschool children
    Soha N Garadat
    Waisman Center University of Wisconsin Madison, Madison, Wisconsin 53705, USA
    J Acoust Soc Am 121:1047-55. 2007
  2. pmc Reaching for sound measures: an ecologically valid estimate of spatial hearing in 2- to 3-year-old children with bilateral cochlear implants
    Ruth Y Litovsky
    University of Wisconsin Madison, 1500 Highland Avenue, Madison, WI 53705, USA
    Otol Neurotol 34:429-35. 2013
  3. pmc Studies on bilateral cochlear implants at the University of Wisconsin's Binaural Hearing and Speech Laboratory
    Ruth Y Litovsky
    Waisman Center, University of Wisconsin Madison, Madison, WI 53705, USA
    J Am Acad Audiol 23:476-94. 2012
  4. ncbi request reprint Effect of degraded binaural cues in cochlear implant users and normal hearing listeners on spatial release from masking
    Ruth Litovsky
    University of Wisconsin, Madison, 53705
    J Acoust Soc Am 131:3340. 2012
  5. pmc Benefits of bilateral cochlear implants and/or hearing aids in children
    Ruth Y Litovsky
    Binaural Hearing and Speech Lab, Waisman Center, University of Wisconsin Madison, Madison, WI 53705 1103, USA
    Int J Audiol 45:S78-91. 2006
  6. pmc Simultaneous bilateral cochlear implantation in adults: a multicenter clinical study
    Ruth Litovsky
    University of Wisconsin, Waisman Center, Room 521, 1500 Highland Avenue, Madison WI 53705, USA
    Ear Hear 27:714-31. 2006
  7. ncbi request reprint Precedence effect in children and adults: Effects of heard and unheard echoes on localization accuracy
    Ruth Litovsky
    Waisman Ctr, Univ of Wisconsin, 1500 Highland Ave, Madison, WI 53705
    J Acoust Soc Am 125:2690. 2009
  8. pmc Spatial hearing and speech intelligibility in bilateral cochlear implant users
    Ruth Y Litovsky
    Department of Communicative Disorders, Waisman Center, University of Wisconsin Madison, Madison, Wisconsin 53705, USA
    Ear Hear 30:419-31. 2009
  9. pmc Effect of age at onset of deafness on binaural sensitivity in electric hearing in humans
    Ruth Y Litovsky
    University of Wisconsin Waisman Center, 1500 Highland Avenue, Madison, Wisconsin 53705, USA
    J Acoust Soc Am 127:400-14. 2010
  10. pmc Difference in precedence effect between children and adults signifies development of sound localization abilities in complex listening tasks
    Ruth Y Litovsky
    Waisman Center, University of Wisconsin, 1500 Highland Avenue, Madison, Wisconsin 53705, USA
    J Acoust Soc Am 128:1979-91. 2010

Detail Information

Publications32

  1. pmc Speech intelligibility in free field: spatial unmasking in preschool children
    Soha N Garadat
    Waisman Center University of Wisconsin Madison, Madison, Wisconsin 53705, USA
    J Acoust Soc Am 121:1047-55. 2007
    ..These tests have potentially useful applications in clinical settings, where bilateral fittings of amplification devices are evaluated...
  2. pmc Reaching for sound measures: an ecologically valid estimate of spatial hearing in 2- to 3-year-old children with bilateral cochlear implants
    Ruth Y Litovsky
    University of Wisconsin Madison, 1500 Highland Avenue, Madison, WI 53705, USA
    Otol Neurotol 34:429-35. 2013
    ..A novel reaching for sound (RFS) methodology can yield a high level of spatial hearing ability in 2- to 3-year-old children with normal hearing and with bilateral cochlear implants (BiCIs)...
  3. pmc Studies on bilateral cochlear implants at the University of Wisconsin's Binaural Hearing and Speech Laboratory
    Ruth Y Litovsky
    Waisman Center, University of Wisconsin Madison, Madison, WI 53705, USA
    J Am Acad Audiol 23:476-94. 2012
    ..By using CI simulations (with vocoders) and studying NH listeners under degraded listening conditions, we are able to tease apart limitations due to the hardware/software of the CI systems from limitations due to neural pathology...
  4. ncbi request reprint Effect of degraded binaural cues in cochlear implant users and normal hearing listeners on spatial release from masking
    Ruth Litovsky
    University of Wisconsin, Madison, 53705
    J Acoust Soc Am 131:3340. 2012
    ..Work supported by NIH-NIDCD (grants 5R01DC003083 and 5R01DC8365)...
  5. pmc Benefits of bilateral cochlear implants and/or hearing aids in children
    Ruth Y Litovsky
    Binaural Hearing and Speech Lab, Waisman Center, University of Wisconsin Madison, Madison, WI 53705 1103, USA
    Int J Audiol 45:S78-91. 2006
    ..Future advances in binaural fitting strategies and improved speech processing schemes that maximize binaural sensitivity will no doubt contribute to increasing the binaurally-driven advantages in persons with bilateral CIs...
  6. pmc Simultaneous bilateral cochlear implantation in adults: a multicenter clinical study
    Ruth Litovsky
    University of Wisconsin, Waisman Center, Room 521, 1500 Highland Avenue, Madison WI 53705, USA
    Ear Hear 27:714-31. 2006
    ....
  7. ncbi request reprint Precedence effect in children and adults: Effects of heard and unheard echoes on localization accuracy
    Ruth Litovsky
    Waisman Ctr, Univ of Wisconsin, 1500 Highland Ave, Madison, WI 53705
    J Acoust Soc Am 125:2690. 2009
    ..These data suggest that the precedence effect is less effective at facilitating sound localization in young children than in adults. [Work supported by NIDCD Grant R01DC008957.]...
  8. pmc Spatial hearing and speech intelligibility in bilateral cochlear implant users
    Ruth Y Litovsky
    Department of Communicative Disorders, Waisman Center, University of Wisconsin Madison, Madison, Wisconsin 53705, USA
    Ear Hear 30:419-31. 2009
    ..The third aim was to examine whether sound lateralization (right versus left) emerges before sound localization within a hemifield...
  9. pmc Effect of age at onset of deafness on binaural sensitivity in electric hearing in humans
    Ruth Y Litovsky
    University of Wisconsin Waisman Center, 1500 Highland Avenue, Madison, Wisconsin 53705, USA
    J Acoust Soc Am 127:400-14. 2010
    ..There were no effects of place of stimulation on binaural sensitivity, suggesting that there is no indication of a dependence of ITD sensitivity on apical vs basal electrode location...
  10. pmc Difference in precedence effect between children and adults signifies development of sound localization abilities in complex listening tasks
    Ruth Y Litovsky
    Waisman Center, University of Wisconsin, 1500 Highland Avenue, Madison, Wisconsin 53705, USA
    J Acoust Soc Am 128:1979-91. 2010
    ..The errors are greater for children than adults. Results are discussed in the context of maturation of auditory and non-auditory factors...
  11. pmc Review of recent work on spatial hearing skills in children with bilateral cochlear implants
    Ruth Y Litovsky
    University of Wisconsin Madison, Highland Avenue, Madison, WI 53705, USA
    Cochlear Implants Int 12:S30-4. 2011
    ..Review of recent studies on spatial-hearing abilities in children who use bilateral cochlear implants (BiCIs); compare performance of children who use BiCIs with children who have normal hearing...
  12. ncbi request reprint Speech intelligibility and spatial release from masking in young children
    Ruth Y Litovsky
    Waisman Center, University of Wisconsin Madison, 1500 Highland Avenue, Madison, Wisconsin 53705, USA
    J Acoust Soc Am 117:3091-9. 2005
    ..The potential utility of the measures used here for studying hearing-impaired children is also discussed...
  13. ncbi request reprint Neural correlates of the precedence effect in the inferior colliculus: effect of localization cues
    R Y Litovsky
    Eaton Peabody Laboratory, Massachusetts Eye and Ear Infirmary, Boston, MA 02143, USA
    J Neurophysiol 87:976-94. 2002
    ..Neurons showing such dissociations may play an important role in the PE when the lead and the lag originate from very different directions...
  14. ncbi request reprint Bilateral cochlear implants in adults and children
    Ruth Y Litovsky
    Waisman Center, University of Wisconsin Madison, 53705, USA
    Arch Otolaryngol Head Neck Surg 130:648-55. 2004
    ..To measure the benefit (ie, sound localization and speech intelligibility in noise) of bilateral cochlear implants (CIs) in adults and in children...
  15. ncbi request reprint Functional role of the human inferior colliculus in binaural hearing
    Ruth Y Litovsky
    Boston University, Hearing Research Center, MA, USA
    Hear Res 165:177-88. 2002
    ....
  16. pmc Role of binaural hearing in speech intelligibility and spatial release from masking using vocoded speech
    Soha N Garadat
    Waisman Center, University of Wisconsin, Madison, WI 53705, USA
    J Acoust Soc Am 126:2522-35. 2009
    ..The nearly normal binaural benefits under present simulation conditions and the lack of order of processing effect further suggest that preservation of binaural cues is likely to improve performance in bilaterally implanted recipients...
  17. pmc Effects of simulated spectral holes on speech intelligibility and spatial release from masking under binaural and monaural listening
    Soha N Garadat
    Waisman Center, University of Wisconsin, 1500 Highland Avenue, Madison, Wisconsin 53705, USA
    J Acoust Soc Am 127:977-89. 2010
    ..It is possible that customized programming for bilateral CI processors based on knowledge about dead regions can enhance performance in adverse listening situations...
  18. ncbi request reprint Physiological studies of the precedence effect in the inferior colliculus of the kitten
    R Y Litovsky
    Department of Neurophysiology, University of Wisconsin, Madison 53706, USA
    J Acoust Soc Am 103:3139-52. 1998
    ..Thus, the neural mechanisms that might be involved in the first stages of processing PE stimuli may be in place well before the behavioral correlate develops...
  19. ncbi request reprint Physiological studies of the precedence effect in the inferior colliculus of the cat. II. Neural mechanisms
    R Y Litovsky
    Department of Neurophysiology, University of Wisconsin, Madison 53706, USA
    J Neurophysiol 80:1302-16. 1998
    ....
  20. ncbi request reprint The benefit of binaural hearing in a cocktail party: effect of location and type of interferer
    Monica L Hawley
    Hearing Research Center and Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA
    J Acoust Soc Am 115:833-43. 2004
    ....
  21. pmc Role of masker predictability in the cocktail party problem
    GARY L JONES
    Department of Physiology, University of Wisconsin Madison, Madison, Wisconsin 53705, USA
    J Acoust Soc Am 124:3818-30. 2008
    ..These results suggest that knowing the number and location(s) of maskers may not necessarily contribute significantly to solving the cocktail party problem, at least not when the location of the target is known...
  22. ncbi request reprint Speech intelligibility and localization in a multi-source environment
    M L Hawley
    Hearing Research Center, Boston University, Massachusetts 02215, USA
    J Acoust Soc Am 105:3436-48. 1999
    ..For these experiments, the performance in the speech intelligibility experiment was not limited by localization ability...
  23. pmc Predicting echo thresholds from speech onset characteristics
    Scott D Miller
    Department of Psychology and Waisman Center, University of Wisconsin, Madison, Wisconsin 53706, USA
    J Acoust Soc Am 125:EL134-40. 2009
    ..Results were used to evaluate two predictive heuristics adapted from perceptual center (p-center) models...
  24. doi request reprint Using the observer-based psychophysical procedure to assess localization acuity in toddlers who use bilateral cochlear implants
    Tina M Grieco-Calub
    Waisman Center, University of Wisconsin Madison, Madison, Wisconsin 53705, USA
    Otol Neurotol 29:235-9. 2008
    ..Localization acuity will emerge in deaf children who receive bilateral cochlear implants (BI-CIs) before the age of 3 years but not in age-matched children who use a single device...
  25. pmc Effect of masker type and age on speech intelligibility and spatial release from masking in children and adults
    Patti M Johnstone
    Waisman Center University of Wisconsin Madison, Binaural Hearing and Speech Laboratory, 1500 Highland Avenue, Room 523, Madison, Wisconsin 53706, USA
    J Acoust Soc Am 120:2177-89. 2006
    ....
  26. pmc Bilateral cochlear implants in children: localization acuity measured with minimum audible angle
    Ruth Y Litovsky
    Waisman Center, University of Wisconsin Madison, Madison, Wisconsin 53705, USA
    Ear Hear 27:43-59. 2006
    ..In addition, to investigate the extent to which a hearing aid in the nonimplanted ear can also provide benefits on this task...
  27. ncbi request reprint Failure to unlearn the precedence effect
    R Y Litovsky
    Hearing Research Center and Department of Biomedical Engineering, Boston University, Massachusetts 02215, USA
    J Acoust Soc Am 108:2345-52. 2000
    ..Several possible explanations for the discrepancies between the present study and Saberi and Perrott's finding are discussed...
  28. ncbi request reprint The precedence effect
    R Y Litovsky
    Hearing Research Center, Boston University, Massachusetts 02215, USA
    J Acoust Soc Am 106:1633-54. 1999
    ..It is probably only through the combined efforts of these fields that a full theory of precedence will evolve and useful models will be developed...
  29. pmc Spoken word recognition in toddlers who use cochlear implants
    Tina M Grieco-Calub
    University of Wisconsin, Waisman Center, 1500 Highland Avenue, Room 565, Madison, WI 53705, USA
    J Speech Lang Hear Res 52:1390-400. 2009
    ..The purpose of this study was to assess the time course of spoken word recognition in 2-year-old children who use cochlear implants (CIs) in quiet and in the presence of speech competitors...
  30. ncbi request reprint Localization dominance in the median-sagittal plane: effect of stimulus duration
    Roberto M Dizon
    Hearing Research Center, Boston University, Boston, Massachusetts 02215, USA
    J Acoust Soc Am 115:3142-55. 2004
    ..These results suggest that accurate localization of a co-located lead-lag pair is necessary for localization dominance to occur when the lag is spatially separated from the lead...
  31. pmc Binaural unmasking with bilateral cochlear implants
    Christopher J Long
    Medical Research Council Cognition and Brain Sciences Unit, 15 Chaucer Rd, Cambridge, CB2 2EF, UK
    J Assoc Res Otolaryngol 7:352-60. 2006
    ..Furthermore, because the tested patients had been deprived of binaural hearing for eight or more years, our results show that some sensitivity to time-varying interaural cues can persist over extended periods of binaural deprivation...
  32. ncbi request reprint The role of head-induced interaural time and level differences in the speech reception threshold for multiple interfering sound sources
    John F Culling
    School of Psychology, Cardiff University, Cardiff, CF10 3YG, United Kingdom
    J Acoust Soc Am 116:1057-65. 2004
    ..Thus, an explanation of speech understanding in complex listening environments based on the combination of best-ear listening and binaural unmasking (without involving sound-localization) cannot be excluded...

Research Grants14

  1. Binaural Hearing in Children in Complex Environments
    Ruth Litovsky; Fiscal Year: 2003
    ..The long-term goal of this work is to extend our measures of auditory abilities to populations of children with sensori-neural hearing loss and with cognitive disabilities, including attention deficit disorders and autism. ..
  2. Spatial Hearing in Children with Normal Hearing and Bilateral Cochlear Implants
    Ruth Y Litovsky; Fiscal Year: 2010
    ..Findings from the BI-CI studies will provide quantitative measures of bilateral benefit in children and will be enlightening about the role of auditory plasticity and experience in a young human population. ..
  3. Spatial Hearing in Children with Normal Hearing and Bilateral Cochlear Implants
    Ruth Litovsky; Fiscal Year: 2009
    ..Findings from the BI-CI studies will provide quantitative measures of bilateral benefit in children and will be enlightening about the role of auditory plasticity and experience in a young human population. ..
  4. Spatial Hearing in Children with Normal Hearing and Bilateral Cochlear Implants
    Ruth Litovsky; Fiscal Year: 2009
    ..Findings from the BI-CI studies will provide quantitative measures of bilateral benefit in children and will be enlightening about the role of auditory plasticity and experience in a young human population. ..
  5. Directional Hearing in Complex Auditory Environments
    Ruth Litovsky; Fiscal Year: 2007
    ..Studies in Aim 3 might contribute to the future design of hearing aids and cochlear implants that take advantage of binaural cues and compensate for the degradation of functioning in noisy and reverberant environments. ..
  6. Functional Abilities in Children With Bilateral Hearing
    Ruth Litovsky; Fiscal Year: 2005
    ..In addition, the research might provide some insight into situations in which bilateral hearing, with dual CIs, or with a CI/HA combination, should or should not be pursued. ..
  7. Binaural Sensitivity and Spatial Hearing in Bilateral Cochlear Implant Users
    Ruth Y Litovsky; Fiscal Year: 2010
    ..saving an ear" for future technology. If bilateral CIs cannot ultimately provide excellent binaural hearing, and if alternative treatments for deafness become feasible, our work will be of importance to pediatric decision making. ..