Author
University of California San DiegoORCID 0000-0002-4927-4374Unclaimed ORCID profile · follow to get notified of new preprints
5 papers
Recent·Most cited
Andrew M. Bourhis, Ritwik Vatsyayan, Karen J. Tonsfeldt, Ian Galton, Shadi A. Dayeh
This paper introduces a flexible thin-film transistor platform for active neural sensing, demonstrating long-term stability and high channel count scalability in vivo.
bioRxiv · Jun 24, 2026 · PreprintBioengineering
Ritwik Vatsyayan, Fadi Khoury, Tara S. Porter, Eleni Sinopoulou, Hadi Day, Samantha M. Russman, Rhea Montgomery‐Walsh, Kaushik Shukla, Helen Saad, Andrew M. Bourhis, Alec Salcido, Carly Shevinsky, Jihwan Lee, Karen J. Tonsfeldt, Akira Nagamori, , Shadi A. Dayeh
This study introduces Adaptive Charge Modulation (ACM) for spinal cord stimulation, achieving focal activation at deep tissue sites with reduced surface activation and muscle co-activation.
bioRxiv · Jun 18, 2026 · PreprintBioengineering
Daniel R. Cleary, Youngbin Tchoe, Andrew M. Bourhis, Charles W. Dickey, Brittany Stedelin, Mehran Ganji, S. H. Lee, Jihwan Lee, Dominic Aaron Siler, Erik C. Brown, Burke Q. Rosen, Erik J. Kaestner, Jimmy Chen Yang, Daniel J. Soper, Seunggu Jude Han, , Eric Halgren
The paper identifies modular organization in human superior temporal gyrus for phoneme processing using high-density micro-arrays.
bioRxiv · Jan 17, 2024 · PreprintNeuroscience
Keundong Lee, Angelique Christine Paulk, Yun Goo Ro, Daniel R. Cleary, Karen J. Tonsfeldt, Yoav Kfir, John S. Pezaris, Youngbin Tchoe, Jihwan Lee, Andrew M. Bourhis, Ritwik Vatsyayan, Joel R. Martin, Samantha M. Russman, Jimmy Chen Yang, Amy Baohan, , Shadi A. Dayeh
The paper introduces a high-channel-count flexible electrode for deep brain recording, capable of capturing single-unit activity from up to 128 channels.
Nature Communications · Jan 17, 2024Peer-reviewedNeuroscience
Youngbin Tchoe, Tianhai Wu, Hoi Sang U, David M. Roth, Dongwoo Kim, Jihwan Lee, Daniel R. Cleary, Patricia Pizarro, Karen J. Tonsfeldt, Keundong Lee, Po-Chun Chen, Andrew M. Bourhis, Ian Galton, Brian F. Coughlin, Jimmy Chen Yang, , Shadi A. Dayeh
The paper introduces a Brain-iEEG-microdisplay that measures and displays real-time brain activity during surgery, improving precision and efficiency in neurosurgical procedures.
bioRxiv · Jul 19, 2023 · PreprintNeuroscience