People
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Graduate Research Assistant
Jian Yu
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News
Desirae Nelson, pictured above with Dr. Monita Chatterjee, a high school student at Charles Herbert Flowers High School, presented her work at the school's research symposium on April 22, 2008. Desirae spent the year as an intern in the CIP Lab, working on the phonemic restoration of degraded speech with Fabiola Peredo, Au.D. student, and Dr. Chatterjee.
Congratulations to Lauren Wawroski who succesfully defended her Au.D. Dissertation entitled "Speech Perception and Intonation Detection in Normally-Hearing Children and Children with Cochlear Implants" on 4/23/08
What We Do...
The goal of our lab is to investigate mechanisms underlying complex auditory perception with cochlear implants. Along the way, we hope to gain deeper insight into the workings of the normal auditory system, as well. Click here to look at our lab brochure.
We conduct psychophysical and speech perception experiments with cochlear implant users. A list of ongoing projects in the lab follows:
- Psychophysics
- Spectral pattern recognition in electrical hearing (Monita Chatterjee, Kara Schvartz)
- Multi-channel loudness summation in CIs (Kara Schvartz, Monita Chatterjee)
- Level-dependence of place and envelope sensitivity in CIs (Jian Yu, Monita Chatterjee, Anastasios Sarampalis)
- Stochastic resonance in CIs (Monita Chatterjee)
- Multi-channel F0 coding in CIs (Monita Chatterjee)
- Mechanisms Underlying Speech Perception with CIs
- Processing prosodic cues with CIs (Shu-Chen Peng)
- “Listening in the valleys” with cochlear implants (Shu-Chen Peng, Monita Chatterjee)
- F0 coding in CIs: Modulation frequency discrimination and speech intonation recognition (Monita Chatterjee, Shu-Chen Peng)
- Effects of aging on recognition of spectrally degraded speech ( Kara Schvartz, Monita Chatterjee, Sandra Gordon-Salant)
- FO processing by normal hearing and cochlear-implanted children ( Lauren Wawroski, Monita Chatterjee, Shu-Chen Peng)
Our cochlear-implanted participants play a critical role in our research and we owe them an enormous debt for their enthusiastic and untiring support of our work.
Student Dissertations in Progress
- Effects of aging on auditory processing with CIs (Kara Schvartz)
Collaborators and Friends (click here for pictures and bios!)
Funding
Our work is funded by the National Institute of Deafness and Other Communicative Disorders (NIDCD).
Support our Research!
If you would like to make a donation in support of our research, please contact Dr. Nan Ratner at (301) 405-4217 or nratner@hesp.umd.edu
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