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OUR LAB MEMBERS

Principal Investigator
Dr. Gregory B. Cogan obtained his Bachelors in Psychology at Queen’s University, Canada, followed by his masters in Linguistics at the University of Edinburgh, Scotland. He completed his PhD in 2011 at the University of Maryland, College Park under the supervision of David Poeppel, where he examined the neural phase coding of speech using information theoretic approaches and magnetoencephalography (MEG). Dr. Cogan then carried out his postdoctoral work at the Center for Neuroscience at New York University (CNS - NYU) with Bijan Pesaran examining speech sensory-motor transformations using electrocorticography (ECoG). This was followed by a postdoctoral position in the Biomedical Engineering Department at Duke University with Jon Viventi to establish a human cognition research program using high density/high channel count electrode arrays. Since 2017, Dr. Cogan is an Assistant Professor in the Department of Neurosurgery, a Research Assistant Professor in the Department of Psychology and Neuroscience, as well as a member of the Duke Institute for Brain Sciences and the Center for Cognitive Neuroscience at Duke University. Since 2019, he is the Director of Research for the newly formed Duke Comprehensive Epilepsy Center (DCEC).
CV
Email: gregory dot cogan at duke dot edu
Gregory Cogan, PhD
Clinical Research Specialist, Sr.
Anna Thirakul-Denning graduated from the University of North Carolina Wilmington in 2014 with a degree in Psychology with a concentration in Neuroscience. She has experience with collecting and analyzing electroencephalography data, and has a keen interest in brain signals and the functionality of the human brain. Anna oversees the ongoing Human Cognition EEG study, the ECoG study, and the micro-ECoG studies.
In her free time, Anna enjoys bowling and hiking with her husband, watching the Charlotte Hornets try to win, and baking delicious treats to bring into the lab.
Email: anna dot thirakul at duke dot edu
Anna Thirakul-Denning
Research Technician
As a research technician, Seth Foster's role involves building up and maintaining a research infrastructure for data collection, visualization, and analysis. In his free time he enjoys learning new programming technologies and watching his favorite sports team, the Indiana Pacers.
Email: seth dot foster at duke dot edu
Seth Foster
Resident
Dr. Shervin Rahimpour's operative interests include all fields of neurosurgery with a focus on stereotactic and functional neurosurgery. His research interests involve deep brain stimulation, electrocorticography, neuro-innovation and entrepreneurship.
Email: shervin dot rahimpour at duke dot edu
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Shervin Rahimpour, MD
Medical Student
Sarah Hodges is a third year student at the Duke University School of Medicine. After graduating from Yale College, she conducted sleep electrophysiology research at the Yale School of Medicine, through which she developed an interest in various neuroimaging modalities and methods for recording electrical activity in the brain.
Her research focuses on cortical language mapping in epilepsy and 3D image reconstruction.
Email: sarah dot e dot hodges at duke dot edu
Sarah Hodges
Graduate Student
Kumar is a Ph.D. student in the department of Biomedical Engineering and is co-advised by Dr. Jonathan Viventi and Dr. Gregory Cogan. He received his Bachelor’s in Electrical Engineering (instrumentation concentration) from Anna University, India in 2015 and his Masters in Biomedical Engineering (neural engineering concentration) from the University of Michigan in 2016. Kumar’s research in Dr. Cogan’s lab involves decoding acoustic features from the human auditory system using high-density micro-ECoG electrodes.
Outside lab, Kumar likes to hike and try out new restaurants in the triangle area.
Email: suseendrakumar dot duraivel at duke dot edu
Kumar Duraivel, MS
Staff Assistant
Alyssa Brewer is the Staff Assistant for the Cogan lab as well as Drs. Gary Archer, Kendra Congdon, Luis Sanchez-Perez, Kyle Walsh, and Matthias Gromeier. She helps support these teams with daily administrative tasks, finances, and procurement.
Email: alyssa dot brewer at duke dot edu
Alyssa Brewer