Natan Davidovics, PhD

Natan Davidovics completed his doctoral degree in the department of Biomedical Engineering at Johns Hopkins University in March, 2012. He received his undergraduate degree in Biomedical Engineering from Rutgers University in 2005 with a focus on neuroscience and electrical engineering. His research background includes a wide range of neuroengineering projects including neural decoding for an EEG-controlled prosthetic hand, EEG-fMRI brain-computer interface, micro-electrode array fabrication for single-cell recording in rats, deep-brain stimulation for treatment of Parkinson's disease, and others. His PhD research focused on improving the communication between the vestibular prosthesis and the brain in animals with vestibular dysfunction. He is also the founder and editor of a weekly neuroengineering newsletter NEWRON (NeuroEngineering Weekly Review of the News). From 2012-2015, he was a systems engineer at Labyrinth Devices, LLC, a start-up company focused on helping to bring JH-VNEL technologies through the commercialization and regulatory processes required to make them accessible to patients. Since 2015, he has been a Product Development Manager at GluSense, a medical device company that produces implantable glucose sensors for use in closed-loop control of insulin pumps.Peer-Reviewed Publications:

N. Davidovics, M. Rahman, C. Dai, J. Ahn, G. Fridman, C. Della Santina, “Multichannel Vestibular Prosthesis Employing Modulation of Pulse Rate and Current with Alignment Precompensation Elicits Improved VOR Performance in Monkeys,” Journal of Association for Research in Otolaryngology. (In Review)

N. Davidovics, G. Fridman, C. Della Santina, “Co-Modulation of Stimulus Rate and Current from Elevated Baselines Expands Head Motion Encoding Range of the Vestibular Prosthesis,” Experimental Brain Research. 2012 May;218(3):389-400

M. Rahman, C. Dai, G. Fridman, N. Davidovics, B. Chiang, J. Ahn, R. Hayden, T. Melvin, D. Sun, C. Della Santina, “Restoring the 3D Vestibulo-Ocular Reflex Via Electrical Stimulation: The Johns Hopkins Multichannel Vestibular Prosthesis Project,” Proceedings of the 33rd Ann. Int. IEEE EMBS Conf. Boston, MA, USA, Aug 2011 (In Press)

N. Davidovics, G. Fridman, B. Chiang, C. Della Santina, “Effects of biphasic current pulse frequency, amplitude, duration and interphase gap on eye movement responses to prosthetic electrical stimulation of the vestibular nerve,” IEEE Trans. Neural Systems and Rehab Eng. 2011 Feb:19(1):84-94

C. Dai, G. Fridman, B. Chiang, N. Davidovics, T. Melvin, K. Cullen, C. Della Santina, “Cross-axis adaptation improves 3D vestibulo-ocular reflex alignment during chronic stimulation via a head-mounted multichannel vestibular prosthesis,” Experimental Brain Research (In Press)

G. Fridman, N. Davidovics, C. Dai, A. Migliaccio, C. Della Santina, “Vestibulo-ocular reflex responses to a multichannel vestibular prosthesis incorporating a 3D coordinate transformation for correction of misalignment,” Journal of Association for Research in Otolaryngology. 2010 Sep;11(3):367-81.

C. Della Santina, A. Migliaccio, R. Hayden, T. Melvin, G. Fridman, B. Chiang, N. Davidovics, C. Dai, J. Carey, L. Minor, I. Anderson, H. Park, S. Lyford-Pike, S. Tang “Current and Future Management of Bilateral Loss of Vestibular Sensation – An update on the Johns Hopkins Multichannel Vestibular Prosthesis Project,” Cochlear Implants International. 2010 Sep;11(2):2-11.

G. Singhal, S. Acharya, N. Davidovics, J. He, N. Thakor, “Including planning activity in input space distributes activation over a broader neuron population,” Proceedings of the 29th Ann. Int. Conf. IEEE Engineering in Med and Bio Soc. 5349:5352. Lyon, France, Aug 2007.

Conference Abstracts

N. Davidovics, G. Fridman, C. Della Santina, “Effects of Baseline Stimulation While Modulating Pulse Rate and Current Amplitude in the Vestibular Prosthesis,” Assoc for Research in Otolaryngology. ARO 2011, Baltimore, MD

G. Fridman, N. Davidovics, C. Dai, C. Della Santina, “Encoding Contralateral Head Rotation in a Vestibular Prosthesis Using Anodic DC Stimulation to Selectively Inhibit Vestibular Nerve,” Assoc for Research in Otolaryngology. ARO 2011, Baltimore, MD

C. Dai, G. Fridman, N. Davidovics, B. Chiang, C. Della Santina, “Restoration of 3D Vestibular Sensation via a Multichannel Vestibular Prosthesis in Rhesus Monkeys,” Assoc for Research in Otolaryngology. ARO 2011, Baltimore, MD

C. Dai, B. Chiang, G. Fridman, N. Davidovics, M. Rahman, J. Ahn, C. Della Santina, “3D Angular Vestibulo-Ocular Reflex Adaptation to Chronic Motion-modulated Multi-channel Prosthetic Stimulation of Semicircular Canal Ampullary Nerves,” Assoc for Research in Otolaryngology. ARO 2011, Baltimore, MD

N. Davidovics, G. Fridman, B. Chiang, C. Della Santina, “Effects of Stimulus Pulse Parameters on Eye Movement Responses to Stimulation Delivered by a Vestibular Prosthesis,” Neural Interfaces Conference. 2010, Long Beach, CA

C. Dai, G. Fridman, B. Chiang, N. Davidovics, C. Della Santina, “3D Angular VOR Adaptation to Chronic Motionmodulated Multi-channel Prosthetic Stimulation of Semicircular Canal Ampullary Nerves,” Assoc for Research in Otolaryngology. ARO 2010, Anaheim, CA

N. Davidovics, G. Fridman, C. Della Santina, “Linearity of Stimulus-Response Mapping During Semicircular Canal Stimulation Using a Vestibular Prosthesis,” Assoc for Research in Otolaryngology. ARO 2009, Baltimore, MD

N. Davidovics, N. Bhanpuri, L. Johnson, G. Colon, C. Smith, A. Wong , "NETI: the neuroengineering training initiative," IEEE/EMBS conference on Neural Engineering. May 2007, Hawaii

Presentations

N. Davidovics, M. Rahman, C. Dai, J. Ahn, G. Fridman, C. Della Santina, “Concurrent Modulation of Pulse Frequency and Current with Coordinate Transformation Yields Improved 3D VOR Dynamic Range, Symmetry and Alignment in Monkeys Using a Multichannel Vestibular Prosthesis,” Assoc for Research in Otolaryngology. ARO 2012, San Diego, CA

C. Della Santina, G. Fridman, C. Dai, N. Davidovics, B. Chiang, M. Rahman, D. Mitchell, K. Cullen, Z. Kalayjian, A. Andreou, A. Migliaccio, R. Hayden, T. Melvin, T. Lie, J. Ahn, D. Sun, N. Jones, N. Valentin, “Restoring the Sixth Sense in 3D: An Update on the Johns Hopkins Multichannel Vestibular Prosthesis Project,” Assoc for Research in Otolaryngology. ARO 2011, Baltimore, MD

G. Fridman, T.Melvin, N. Davidovics, C. Della Santina, “Linearity of the 3-D Vestibulo-Ocular Reflex Response to Electrical Stimulation,” BMES Annual Fall Meeting. 2008, St. Louis, MO

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