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Hearing Science Lab Members


Glenis Long, Ph.D. ( Glenis Long specializes in research on otoacoustic emissions or sounds generated by the human cochlea (inner ear). She is the director of The Graduate Center's Hearing Science Laboratory where these emissions are used as a noninvasive tool for investigating cochlear mechanisms. This research is combined with psychoacoustic research to better understand the perceptual consequences of cochlear nonlinearity and distortion. Professor Long has done research in the United States, Germany, and England, and taught at Purdue University before coming to The Graduate Center. Her work represents an unusual combination of mathematical modeling with laboratory research. She is also involved in the development of better clinical tools for the evaluation of hearing loss. Professor Long studied experimental psychology at Canterbury University (B.A., M.A.) and Princeton University (M.A., Ph.D.). She has written for a broad spectrum of journals, has been active in professional organizations, and was elected as a fellow of the Acoustical Society of America for services to research in psychoacoustics and otoacoustic emissions.


Graduate Students

Shukry Abdelrazeq ( Hi. I’m Shukry Abdelrazeq. I’m a PhD candidate at the Graduate Center-City University of New York. I received my Master’s degree in Audiology from John’s University and my undergraduate bachelor of arts in Speech Pathology from Queens College. I’m interested in auditory processing disorders (APD), specifically speech-in-noise deficits. There’s evidence in the literature that suggests that the medial olivocochlear (MOC) efferent system can modify our ability to response when listening in noise resulting in better detection of the speech signal. Therefore, the speech-in-noise deficit often seen in APD may be the results of a dysfunction in the MOC system. In humans, we can estimate MOC function by measuring changes they produce in otoacoustic emissions (OAE). In addition, to its role in modifying cochlear response in noise, the MOC system is believe to be modulated by the attention centers in the brain, which suggest that the MOC system can be used to investigate attention deficit hyperactivity disorders (ADHD), which often co-occurs with APD. Therefore, the goal of my current research is to investigate the MOC system in order to highlight possible neurophysiological abnormalities underlying speech-in-noise deficits in APD as well as the co-morbidity between APD and ADHD. 

Simon Henin ( Simon's research focuses on the dynamic processing of the cochlea via non-invasive otoacoustic measurement techniques. Specifically, using adapted psychophysical paradigms in SFOAE as a measure of dynamic changes in cochlear compression.

Maryam Naghibolhosseini ( 

Joshua J. Hajicek ( SFOAE may be more sensitive to subclinical changes in hearing due to over exposure to noise. However, SFOAE are rarely, if ever used, in the clinic. This is because of slow measurement methods and difficulty separating stimulus from the OAE without introducing artifacts. My research will focus on improving and validating SFOAE with a single continuously swept primary tone and the measurement of cochlear latency.



Suzanne Thompson ( I'm currently a Level 2 doctoral student at the CUNY Graduate Center. I was a Science Fellow in the Hearing Science Lab from 2006-2008. I am now an Assistant Professor in the Speech Communication Studies at Iona College in New Rochelle, NY. My research interests include distortion product otoacoustic emissions and middle ear transmission. I hope to be level 3 by the spring of 2009. I enjoy spending my free time with my family and nephew on Long Island.