I am currently a Research Fellow at the Athinoula A. Martinos Center for Biomedical Imaging at Massachusetts General Hospital (MGH; Charlestown, MA). I recently finished my PhD in Biomedical Engineering at the Auditory Neuroscience Laboratory, Center for Computation Neuroscience and Neural Technology at Boston University, (Boston, MA). I am also affiliated with the McGovern Institute of Brain Research at Massachusetts Institute of Technology (MIT; Cambridge, MA) where I conduct some of my human neuroimaging experiments.
My work is interdisciplinary in nature and is broadly based on the use of behavioral experiments, computational models and neuroimaging techniques to study the mechanisms underlying auditory perception in typical humans and in clinical conditions such as central auditory processing disorders (CAPD) and autism spectrum disorders (ASD). In particular, I am interested in how we process sounds and analyze acoustic scenes that contain many sources of sound such as in everyday environments. To experimentally investigate auditory processing along different levels of the auditory pathway, I use otoacoustic emissions, electrophysiological responses from the brainstem and cortical spatio-temporal imaging methods such as electroencephalography (EEG) and magnetoencephalography (MEG). I also attempt to take advantage of the vibrant auditory research community in the Boston area through active collaborations. Though I primarily engage in basic scientific research, the overarching goal of my research is to help in developing methods and devices that will (1) assist patients with hearing difficulties, (2) serve as biomarkers for diagnosis and (importantly) stratification of neurological disorders, (3) decode brain signals for brain-machine interfaces and (4) mimic perception in machines. Please visit my research page for some more information.
"Hari is brilliant and excellent at explaining concepts. Give this man a job as a professor already! "
- Anonymous student while evaluating my role in teaching BE401 Signals and Systems at Boston University. Visit my teaching page for more information and unedited student reviews.
5/6/2014: PhD dissertation "Individual Differences in Supra-Threshold Auditory Perception - Mechanisms and Objective Correlates", was chosen as the Best Dissertation in BME this year at Boston University.
5/5/2014: Presented invited talk titled "Individual differences revealed by listening in a complex/crowded scene" at the 167th Meeting of the Acoustical Society of America (ASA).
3/24/14: Successfully defended phD dissertation titled: "Individual differences in suprathreshold auditory perception: Mechanisms and objective correlates"
3/5/14: Manuscript "Bottom-up influences of
voice continuity in focusing selective auditory attention" is now in press at Psychological Research.
2/5/14: Manuscript "Cochlear neuropathy and the coding on supra-threshold sound" is now in press at Frontiers.
1/29/14: "Rapid acquisition of subcortical steady-state responses" is now in press at Clinical Neurophysiology.