His research focuses on artificial intelligence (AI) and medical signal/image processing. In AI, he works on natural language processing (NLP) and knowledge representation (KR). In medical data analytics, his expertise is on electroencephalogram (EEG) and magnetic resonance imaging (MRI). His research has been funded by National Science Foundation (NSF), Federal Aviation Administration (FAA) , Air Force Research Lab (AFRL), and Microsoft. He and his research have been covered by MIT Technology Review website and Lancet Neurology.