StephenRyuMD(He/Him)

Neurosurgery • Palo Alto, CA

Brain & Spinal Tumor, Neurosurgical Spine Surgery, Peripheral Nerve

Physician

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Office
795 El Camino Real
Palo Alto, CA 94301
Phone+1 650-853-2953
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Education & Training

Stanford Health Care-Sponsored Stanford UniversityResidency, Neurological Surgery, 1999 - 2006
University of California San Diego School of MedicineClass of 1999

Certifications & Licensure

CA State Medical License 2000 - 2026
American Board of Neurological Surgery Neurological Surgery

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2012-2013

Publications & Presentations

PubMed

Learning leaves a memory trace in motor cortex.
Darby M Losey, Jay A Hennig, Emily R Oby, Matthew D Golub, Patrick T Sadtler, Kristin M Quick, Aaron P Batista, Byron M Yu, Steven M Chase, Stephen I Ryu, Elizabeth C ...> ;Current Biology. 2024 Apr 8
An Integrated 3-Dimentional Navigation System Increases the Accuracy, Efficiency, and Safety of Percutaneous Thoracolumbar Pedicle Screw Placement in Minimally Invasiv...
Kretzer, R., Sullivan, L., Mundis, G., Lakomkin, N., Eastlack, R., Uribe, J., Park, P., Ryu, S., Mimran, R., Holman, P., Veeravagu, A., Johnson, M., Clark, A., Hassanz...> ;Global Spine Journal. 2024 Jan 2
28 citations
Dendritic calcium signals in rhesus macaque motor cortex drive an optical brain-computer interface.
Eric M. Trautmann, Daniel J. O’Shea, Xulu Sun, James H. Marshel, Ailey K. Crow, Brian Hsueh, Sam Vesuna, Lucas Cofer, Gergő Bohner, William E. Allen, Isaac Kauvar, Sea...> ;Nature Communications. 2021 Jun 17
25 citations
Learning is shaped by abrupt changes in neural engagement
Jay A. Hennig, Emily R. Oby, Matthew D. Golub, Lindsay A Bahureksa, Patrick T. Sadtler, Kristin M. Quick, Stephen I. Ryu, Elizabeth C. Tyler-Kabara, Aaron P. Batista, ...> ;Nature Neuroscience. 2021 Mar 29
37 citations
Decoding and perturbing decision states in real time
Diogo Peixoto, Jessica R. Verhein, Roozbeh Kiani, Jonathan C. Kao, Paul Nuyujukian, Chandramouli Chandrasekaran, Julian Brown, Sania Fong, Stephen I. Ryu, Krishna V. S...> ;Nature. 2021 Jan 20
10 citations
Structure in Neural Activity during Observed and Executed Movements Is Shared at the Neural Population Level, Not in Single Neurons.
Xiyuan Jiang, Hemant Saggar, Stephen I Ryu, Krishna V Shenoy, Jonathan C Kao> ;Cell Reports. 2020 Sep 8
12 citations
Structure in Neural Activity during Observed and Executed Movements Is Shared at the Neural Population Level, Not in Single Neurons.
Xiyuan Jiang, Hemant Saggar, Stephen I Ryu, Krishna V Shenoy, Jonathan C Kao> ;Cell Reports. 2020 Aug 11
27 citations
Causal Role of Motor Preparation during Error-Driven Learning.
Saurabh Vyas, Daniel J. O’Shea, Stephen I. Ryu, Krishna V. Shenoy> ;Neuron. 2020 Apr 22
32 citations
Discovering Precise Temporal Patterns in Large-Scale Neural Recordings through Robust and Interpretable Time Warping
Alex H. Williams, Ben Poole, Niru Maheswaranathan, Ashesh K. Dhawale, Tucker G. Fisher, Christopher D. Wilson, David H. Brann, Eric M. Trautmann, Stephen I. Ryu, Roman...> ;Neuron. 2020 Jan 22
Publisher Correction: Development of an optogenetic toolkit for neural circuit dissection in squirrel monkeys
Daniel J. O’Shea, Paul Kalanithi, Emily A. Ferenczi, Brian Hsueh, Chandramouli Chandrasekaran, Werapong Goo, Ilka Diester, Charu Ramakrishnan, Matthew T. Kaufman, Step...> ;Scientific Reports. 2019 Dec 5
127 citations
Accurate Estimation of Neural Population Dynamics without Spike Sorting.
Eric M. Trautmann, Sergey D. Stavisky, Subhaneil Lahiri, Katherine Cora Ames, Matthew T. Kaufman, Daniel J. O’Shea, Saurabh Vyas, Xulu Sun, Stephen I. Ryu, Surya Gangu...> ;Neuron. 2019 Jul 17
31 citations
Simultaneous motor preparation and execution in a last-moment reach correction task
K. Cora Ames, Stephen I. Ryu, Krishna V. Shenoy> ;Nature Communications. 2019 Jun 20
Publisher Correction: Brain-machine interface cursor position only weakly affects monkey and human motor cortical activity in the absence of arm movements.
Sergey D. Stavisky, Jonathan C. Kao, Paul Nuyujukian, Chethan Pandarinath, Christine H Blabe, Stephen I. Ryu, Leigh R. Hochberg, Jaimie M. Henderson, Krishna V. Shenoy> ;Scientific Reports. 2019 Mar 28
11 citations
Structure and variability of delay activity in premotor cortex.
Nir Even-Chen, Blue Sheffer, Saurabh Vyas, Stephen I. Ryu, Krishna V. Shenoy> ;Plos Computational Biology. 2019 Feb 22
4 citations
Brain-machine interface cursor position only weakly affects monkey and human motor cortical activity in the absence of arm movements.
Sergey D. Stavisky, Jonathan C. Kao, Paul Nuyujukian, Chethan Pandarinath, Christine H Blabe, Stephen I. Ryu, Leigh R. Hochberg, Jaimie M. Henderson, Krishna V. Shenoy> ;Scientific Reports. 2018 Nov 5
239 citations
Inferring single-trial neural population dynamics using sequential auto-encoders.
Chethan Pandarinath, Daniel J. O’Shea, Jasmine Collins, Rafal Jozefowicz, Sergey D. Stavisky, Jonathan C. Kao, Eric M. Trautmann, Matthew T. Kaufman, Stephen I. Ryu, L...> ;Nature Methods. 2018 Sep 17
31 citations
Constraints on neural redundancy
Jay A. Hennig, Matthew D. Golub, Peter J Lund, Patrick T. Sadtler, Emily R. Oby, Kristin M. Quick, Stephen I. Ryu, Elizabeth C. Tyler-Kabara, Aaron P. Batista, Byron M...> ;Elife. 2018 Aug 15
Publisher Correction: Learning by neural reassociation.
Matthew D. Golub, Patrick T. Sadtler, Emily R. Oby, Kristin M. Quick, Stephen I. Ryu, Elizabeth C. Tyler-Kabara, Aaron P. Batista, Steven M. Chase, Byron M. Yu> ;Nature Neuroscience. 2018 Jul 5
Single Neuron Firing Rate Statistics in Motor Cortex During Execution and Observation of Movement
Xiyuan Jiang, Stephen I. Ryu, Krishna V. Shenoy, Jonathan C. Kao> ;Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference. 2018 Jul 1
113 citations
Unsupervised Discovery of Demixed, Low-Dimensional Neural Dynamics across Multiple Timescales through Tensor Component Analysis.
Alex H. Williams, Tony Hyun Kim, Forea Wang, Saurabh Vyas, Stephen I. Ryu, Krishna V. Shenoy, Mark J. Schnitzer, Tamara G. Kolda, Surya Ganguli> ;Neuron. 2018 Jun 27
23 citations
Development of an optogenetic toolkit for neural circuit dissection in squirrel monkeys.
Daniel J. O’Shea, Paul Kalanithi, Emily A. Ferenczi, Brian Hsueh, Chandramouli Chandrasekaran, Werapong Goo, Ilka Diester, Charu Ramakrishnan, Matthew T. Kaufman, Step...> ;Scientific Reports. 2018 Apr 30
114 citations
Learning by neural reassociation.
Matthew D. Golub, Patrick T. Sadtler, Emily R. Oby, Kristin M. Quick, Stephen I. Ryu, Elizabeth C. Tyler-Kabara, Aaron P. Batista, Steven M. Chase, Byron M. Yu> ;Nature Neuroscience. 2018 Mar 12
76 citations
Neural Population Dynamics Underlying Motor Learning Transfer.
Saurabh Vyas, Nir Even-Chen, Sergey D. Stavisky, Stephen I. Ryu, Paul Nuyujukian, Krishna V. Shenoy> ;Neuron. 2018 Mar 7
16 citations
Augmenting intracortical brain-machine interface with neurally driven error detectors.
Nir Even-Chen, Sergey D. Stavisky, Jonathan C. Kao, Stephen I. Ryu, Krishna V. Shenoy> ;Journal of Neural Engineering. 2017 Dec 1
25 citations
Leveraging neural dynamics to extend functional lifetime of brain-machine interfaces.
Jonathan C. Kao, Stephen I. Ryu, Krishna V. Shenoy> ;Scientific Reports. 2017 Aug 7
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Press Mentions

NuVasive Receives Latest CE Mark Approval for Pulse Platform and Starts Global Clinical EvaluationsJune 30th, 2021
Magnifi Group, Inc. To Host the 8th Annual Spine IEP Fellows and Young Surgeons’ Course in San Francisco, CANovember 12th, 2018
10 Spine Surgeon Leaders to KnowAugust 8th, 2018
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