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Puria is an Associate Editor for the Acoustical Society of America (JASA) and was on the editorial board for the Journal of the Association for Research in Otolaryngology (JARO).īiomedical Engineering ZOOM Seminar at 3:00 PM ETĮngineered Blood Vessels as Platforms for Understanding Vascular Diseasesĭirector of Research and Professor, Department of Mechanics, Ecole Polytechnique, FranceĪBSTRACT: Vascular diseases are among the leading causes of mortality worldwide. He has published over 70 papers in peer-reviewed journals, holds over 50 US patents, and has co-edited two books. He served on the NIH AUD study section for the National Institute on Deafness and Other Communication Disorders (NIDCD). He is also the Director of Admissions for the Harvard Graduate program on Speech and Hearing & Bioscience Technology, is a fellow of the Acoustical Society of America, and Chair of the International Hearing Aid Research Conference (IHCON). Puria is the Associate Director of the Eaton-Peabody Laboratories, is an Amelia-Peabody Scientist at Massachusetts Eye and Ear, and an Associate Professor in the Department of Otolaryngology-HNS at Harvard Medical School. He currently studies the biomechanics of the middle ear and cochlea using imaging modalities such as OCT and uCT and physiology using laser 3D Doppler vibrometers that are incorporated into finite element models. His doctoral thesis, A theory of cochlear input impedance and middle ear parameter estimation was the foundation for his later career. These results are being incorporated into new finite element models.īIO: Sunil Puria received his bachelor’s degree from the City College of New York (BEEE, 1983), his master’s degree from Columbia University (MS, 1985), and his doctoral degree from the City University of New York (PhD, 1991), all in the field of Electrical Engineering. OCT is also used to make in vivo vibrometry measurements through the gerbil round window membrane with a bandwidth of 80 kHz, sub nano-meter noise floor, and a spatial resolution that is better than what any other group has published. The in vivo morphology of key anatomical structures and fluid spaces of the organ of Corti were obtained. OCT was employed to obtain volumetric images of the high-frequency hook region of the gerbil cochlea, as viewed through the round-window membrane. Our lab uses optical coherence tomography (OCT) and finite element models to study structure function relationships of cochlear function. How thousands of OHCs, acting through the local cytoarchitecture of the organ of Corti, work to achieve cochlear amplification is not fully understood. The motor element of this cochlear amplification is the outer hair cell (OHC), that expands and contracts lengthwise in response to a change in receptor potential at audio frequencies. Cochlear motions in response to sound are amplified using metabolic energy.
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Imaging, Physiology and Biomechanics of HearingĪssociate Professor, Department of Otolaryngology-HNS, Harvard Medical SchoolĪBSTRACT: The great sensitivity and frequency selectivity of mammalian hearing originates in the mechanical properties of the cochlea. To view pictures of Poster Presentations, click here!! To view pictures of BME Award Recipients, click here !!! Following the various presentations, Professors Mitchell Schaffler, Chair of BME, Steven Nicoll, Awards Committee Chair, and Jeffrey Garanich, MTM Director presented awards for academic excellence and research performance. Grove School of Engineering faculty, graduate students, and undergraduates participated. This event included poster and device presentations by graduating seniors. The CCNY Department of Biomedical Engineering and The New York Center for Biomedical Engineering hosted BME DAY 2022 on May 6, 2022. BME DAY 2022 "Continuing The Tradition of Excellence!"