Pratik Yashvant Chhatbar
Adjunct Assistant Professor in the Department of Neurology
Neuromodulation / Neuroprosthetics / Upcoming technologies
Current Appointments & Affiliations
- Adjunct Assistant Professor in the Department of Neurology, Neurology, Stroke and Vascular Neurology, Neurology 2023
Contact Information
- 40 Duke Medicine Circle, Duke Clinic Suite 3052, Durham, NC 27710
- 40 Duke Medicine Circle, Duke South, Suite 3052, DUMC Box 3824, Durham, NC 27710
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pratik.chhatbar@duke.edu
(919) 684-0057
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Google Scholar Profile
- Background
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Education, Training, & Certifications
- Postdoctoral Scholar, Stroke Center, Department Of Neurology, Medical University of South Carolina 2014 - 2016
- Postdoctoral Scholar, Neurosciences Department, Medical University of South Carolina 2011 - 2014
- Ph.D., State University of New York, Downstate Medical Center 2011
- M.B.B.S., Gujarat University, B.J. Medical College (India) 2005
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Previous Appointments & Affiliations
- Assistant Professor in Neurology, Neurology, Stroke and Vascular Neurology, Neurology 2021 - 2023
- Assistant Professor in Neurology, Neurology, Stroke and Vascular Neurology, Neurology 2019 - 2020
- Research
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Selected Grants
- TRANScranial direct current stimulation for POst-stroke motor Recover - a phase II sTudy (TRANSPORT 2) awarded by National Institutes of Health 2019 - 2023
- Optimizing Parameters of Low-Intensity Focused Ultrasound for Cortical Modulation in Stroke Patients awarded by American Heart Association 2021 - 2022
- Realistic Measurements of tDCS-Modulated Activity and Electric Fields in the Human Brain In Vivo awarded by National Institutes of Health 2019 - 2022
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External Relationships
- Nyxoah
- chetasetu
- Publications & Artistic Works
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Selected Publications
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Academic Articles
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Chen, Mengyue, Chang Peng, Huaiyu Wu, Chih-Chung Huang, Taewon Kim, Zachary Traylor, Marie Muller, et al. “Numerical and experimental evaluation of low-intensity transcranial focused ultrasound wave propagation using human skulls for brain neuromodulation.” Med Phys 50, no. 1 (January 2023): 38–49. https://doi.org/10.1002/mp.16090.Full Text Link to Item
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Feng, Wuwei, Alexis Domeracki, Christine Park, Shreyansh Shah, Pratik Y. Chhatbar, Swaroop Pawar, Cherylee Chang, et al. “Revisiting Transcranial Light Stimulation as a Stroke Therapeutic-Hurdles and Opportunities.” Transl Stroke Res, November 12, 2022. https://doi.org/10.1007/s12975-022-01103-7.Full Text Link to Item
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Chhatbar, P. Y., S. Liu, V. Ramakrishnan, M. S. George, S. A. Kautz, and W. Feng. “Microdermabrasion facilitates direct current stimulation by lowering skin resistance.” Skin Health Dis 2, no. 3 (September 2022): e76. https://doi.org/10.1002/ski2.76.Full Text Link to Item
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Francis, Joseph Thachil, Anna Rozenboym, Lee von Kraus, Shaohua Xu, Pratik Chhatbar, Mulugeta Semework, Emerson Hawley, and John Chapin. “Similarities Between Somatosensory Cortical Responses Induced via Natural Touch and Microstimulation in the Ventral Posterior Lateral Thalamus in Macaques.” Front Neurosci 16 (2022): 812837. https://doi.org/10.3389/fnins.2022.812837.Full Text Link to Item
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Wang, Minmin, Tao Feng, Hongjie Jiang, Junming Zhu, Wuwei Feng, Pratik Y. Chhatbar, Jianmin Zhang, and Shaomin Zhang. “In vivo Measurements of Electric Fields During Cranial Electrical Stimulation in the Human Brain.” Front Hum Neurosci 16 (2022): 829745. https://doi.org/10.3389/fnhum.2022.829745.Full Text Link to Item
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Wang, Minmin, Jiawei Han, Hongjie Jiang, Junming Zhu, Wuwei Feng, Pratik Y. Chhatbar, Jianmin Zhang, and Shaomin Zhang. “Intracranial Electric Field Recording During Multichannel Transcranial Electrical Stimulation,” December 21, 2021. https://doi.org/10.1101/2021.12.19.473336.Full Text
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Mac Grory, Brian, Matthew Schrag, Sven Poli, Chantal J. Boisvert, Martin S. Spitzer, Maximillian Schultheiss, Max Nedelmann, et al. “Structural and Functional Imaging of the Retina in Central Retinal Artery Occlusion - Current Approaches and Future Directions.” J Stroke Cerebrovasc Dis 30, no. 7 (July 2021): 105828. https://doi.org/10.1016/j.jstrokecerebrovasdis.2021.105828.Full Text Link to Item
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Nam, Chang S., Zachary Traylor, Mengyue Chen, Xiaoning Jiang, Wuwei Feng, and Pratik Yashvant Chhatbar. “Direct Communication Between Brains: A Systematic PRISMA Review of Brain-To-Brain Interface.” Front Neurorobot 15 (2021): 656943. https://doi.org/10.3389/fnbot.2021.656943.Full Text Open Access Copy Link to Item
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Kim, Taewon, Christine Park, Pratik Y. Chhatbar, Jody Feld, Brian Mac Grory, Chang S. Nam, Pu Wang, Mengyue Chen, Xiaoning Jiang, and Wuwei Feng. “Effect of Low Intensity Transcranial Ultrasound Stimulation on Neuromodulation in Animals and Humans: An Updated Systematic Review.” Front Neurosci 15 (2021): 620863. https://doi.org/10.3389/fnins.2021.620863.Full Text Link to Item
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Vahidy, Farhaan S., Cemal B. Sozener, Jennifer R. Meeks, Pratik Y. Chhatbar, Ciro Ramos-Estebanez, Maranatha Ayodele, Rebekah J. Richards, et al. “National Institutes of Health StrokeNet Training Core.” Stroke 51, no. 1 (January 2020): 347–52. https://doi.org/10.1161/STROKEAHA.119.027946.Full Text Link to Item
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Shah, Shreyansh, Pratik Y. Chhatbar, Jody A. Feld, and Wuwei Feng. “Integrating tDCS into routine inpatient rehabilitation practice to boost post-stroke recovery.” Brain Stimul 13, no. 4 (2020): 953–54. https://doi.org/10.1016/j.brs.2020.04.002.Full Text Link to Item
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Zheng, Haiqing, Bin Zhang, Pratik Y. Chhatbar, Yi Dong, Ali Alawieh, Forrest Lowe, Xiquan Hu, and Wuwei Feng. “Mesenchymal Stem Cell Therapy in Stroke: A Systematic Review of Literature in Pre-Clinical and Clinical Research.” Cell Transplant 27, no. 12 (December 2018): 1723–30. https://doi.org/10.1177/0963689718806846.Full Text Link to Item
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Feng, Wuwei, Steven A. Kautz, Gottfried Schlaug, Caitlyn Meinzer, Mark S. George, and Pratik Y. Chhatbar. “Transcranial Direct Current Stimulation for Poststroke Motor Recovery: Challenges and Opportunities.” Pm R 10, no. 9 Suppl 2 (September 2018): S157–64. https://doi.org/10.1016/j.pmrj.2018.04.012.Full Text Link to Item
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Chhatbar, Pratik Y., Steven A. Kautz, Istvan Takacs, Nathan C. Rowland, Gonzalo J. Revuelta, Mark S. George, Marom Bikson, and Wuwei Feng. “Evidence of transcranial direct current stimulation-generated electric fields at subthalamic level in human brain in vivo.” Brain Stimul 11, no. 4 (2018): 727–33. https://doi.org/10.1016/j.brs.2018.03.006.Full Text Open Access Copy Link to Item
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Chhatbar, Pratik Y., Mark S. George, Steven A. Kautz, and Wuwei Feng. “Charge density, not current density, is a more comprehensive safety measure of transcranial direct current stimulation.” Brain Behav Immun 66 (November 2017): 414–15. https://doi.org/10.1016/j.bbi.2017.08.008.Full Text Link to Item
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Liu, Shimeng, Wuwei Feng, Pratik Y. Chhatbar, Yumei Liu, Xunming Ji, and Bruce Ovbiagele. “Mobile health as a viable strategy to enhance stroke risk factor control: A systematic review and meta-analysis.” J Neurol Sci 378 (July 15, 2017): 140–45. https://doi.org/10.1016/j.jns.2017.04.050.Full Text Link to Item
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Chhatbar, Pratik Y., Mark S. George, Steven A. Kautz, and Wuwei Feng. “Quantitative reassessment of safety limits of tDCS for two animal studies.” Brain Stimul 10, no. 5 (2017): 1011–12. https://doi.org/10.1016/j.brs.2017.07.008.Full Text Link to Item
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Chhatbar, Pratik Y., Rong Chen, Rachael Deardorff, Blair Dellenbach, Steven A. Kautz, Mark S. George, and Wuwei Feng. “Safety and tolerability of transcranial direct current stimulation to stroke patients - A phase I current escalation study.” Brain Stimul 10, no. 3 (2017): 553–59. https://doi.org/10.1016/j.brs.2017.02.007.Full Text Link to Item
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O’Herron, Philip, Pratik Y. Chhatbar, Manuel Levy, Zhiming Shen, Adrien E. Schramm, Zhongyang Lu, and Prakash Kara. “Neural correlates of single-vessel haemodynamic responses in vivo.” Nature 534, no. 7607 (June 16, 2016): 378–82. https://doi.org/10.1038/nature17965.Full Text Link to Item
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Chhatbar, Pratik Y., James R. Sawers, and Wuwei Feng. “Response to the Response to "Does tDCS Actually Deliver DC Stimulation?".” Brain Stimul 9, no. 6 (2016): 952–54. https://doi.org/10.1016/j.brs.2016.08.009.Full Text Link to Item
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Chhatbar, Pratik Y., James R. Sawers, and Wuwei Feng. “The Proof is in the Pudding: Does tDCS Actually Deliver DC Stimulation?” Brain Stimul 9, no. 4 (2016): 625–26. https://doi.org/10.1016/j.brs.2016.05.002.Full Text Link to Item
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Chhatbar, Pratik Y., Viswanathan Ramakrishnan, Steven Kautz, Mark S. George, Robert J. Adams, and Wuwei Feng. “Transcranial Direct Current Stimulation Post-Stroke Upper Extremity Motor Recovery Studies Exhibit a Dose-Response Relationship.” Brain Stimul 9, no. 1 (2016): 16–26. https://doi.org/10.1016/j.brs.2015.09.002.Full Text Link to Item
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Feng, Wuwei, Jasmine Wang, Pratik Y. Chhatbar, Christopher Doughty, Douglas Landsittel, Vasileios-Arsenios Lioutas, Steven A. Kautz, and Gottfried Schlaug. “Corticospinal tract lesion load: An imaging biomarker for stroke motor outcomes.” Ann Neurol 78, no. 6 (December 2015): 860–70. https://doi.org/10.1002/ana.24510.Full Text Link to Item
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Chhatbar, Pratik Y., and Wuwei Feng. “Data Synthesis in Meta-Analysis may Conclude Differently on Cognitive Effect From Transcranial Direct Current Stimulation.” Brain Stimul 8, no. 5 (2015): 974–76. https://doi.org/10.1016/j.brs.2015.06.001.Full Text Link to Item
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Chhatbar, P. Y., and P. Kara. “Improved blood velocity measurements with a hybrid image filtering and iterative Radon transform algorithm.” Frontiers in Neuroscience, no. 7 JUN (January 1, 2013). https://doi.org/10.3389/fnins.2013.00106.Full Text
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Chhatbar, Pratik Y., and Joseph T. Francis. “Towards a naturalistic brain-machine interface: hybrid torque and position control allows generalization to novel dynamics.” Plos One 8, no. 1 (2013): e52286. https://doi.org/10.1371/journal.pone.0052286.Full Text Link to Item
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Shen, Zhiming, Zhongyang Lu, Pratik Y. Chhatbar, Philip O’Herron, and Prakash Kara. “An artery-specific fluorescent dye for studying neurovascular coupling.” Nat Methods 9, no. 3 (January 22, 2012): 273–76. https://doi.org/10.1038/nmeth.1857.Full Text Link to Item
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Chhatbar, Pratik Y., Lee M. von Kraus, Mulugeta Semework, and Joseph T. Francis. “A bio-friendly and economical technique for chronic implantation of multiple microelectrode arrays.” J Neurosci Methods 188, no. 2 (May 15, 2010): 187–94. https://doi.org/10.1016/j.jneumeth.2010.02.006.Full Text Link to Item
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Saha, Subrata, and Pratik Chhatbar. “The future of implantable neuroprosthetic devices: ethical considerations.” J Long Term Eff Med Implants 19, no. 2 (2009): 123–37. https://doi.org/10.1615/jlongtermeffmedimplants.v19.i2.40.Full Text Link to Item
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Book Sections
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Chhatbar, P. Y., and S. Saha. “Ethical considerations of neuroprostheses.” In Implantable Neuroprostheses for Restoring Function, 413–28, 2015. https://doi.org/10.1016/B978-1-78242-101-6.00020-3.Full Text
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Chhatbar, P. Y., and S. Saha. “Neuroprostheses: Implications of the current and future state of the science and technology.” In Neurotechnology: Premises, Potential, and Problems, 93–105, 2012. https://doi.org/10.1201/b11861.Full Text
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Conference Papers
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Mac Grory, Brian C., Anusha Boyanpally, Christoph Stretz, Sleiman El-Jamal, Shreyansh Shah, Nada El-Husseini, Pratik Y. Chhatbar, et al. “Abstract MP46: Internal Carotid Artery Web and Acute Ischemic Stroke - A Systematic Review and Meta-Analysis.” In Stroke, Vol. 52. Ovid Technologies (Wolters Kluwer Health), 2021. https://doi.org/10.1161/str.52.suppl_1.mp46.Full Text
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Mac Grory, Brian C., Shadi Yaghi, Shreyansh Shah, Pratik Y. Chhatbar, Carmelo Graffagnino, Scott Le, Wayneho Kam, et al. “Abstract P592: Admission Hyperglycemia is Associated With Subsequent Ischemic Stroke After Transient Ischemic Attack or Minor Stroke: A Secondary Analysis of the POINT Trial.” In Stroke, Vol. 52. Ovid Technologies (Wolters Kluwer Health), 2021. https://doi.org/10.1161/str.52.suppl_1.p592.Full Text
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Chen, M., C. Peng, T. Kim, P. Y. Chhatbar, M. Muller, W. Feng, and X. Jiang. “Biosafety of low-intensity pulsed transcranial focused ultrasound brain stimulation - A human skull study.” In Proceedings of Spie the International Society for Optical Engineering, Vol. 11593, 2021. https://doi.org/10.1117/12.2582487.Full Text
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Feng, Wayne, Pratik Chhatbar, Mark George, Racheal Deardorff, and Steven Kautz. “Safety and Tolerability of Transcranial Direct Current Stimulation to Stroke Patients - A Phase I Current Escalation Study.” In Annals of Neurology, 82:S142–S142. WILEY, 2017.Link to Item
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Chhatbar, Pratik, Hernan Bayona, Gottfried Schlaug, and Wayne Feng. “Correlation of NIH Stroke Scale and Fugl-Meyer Motor Scales in a Longitudinal Stroke Recovery Study: Implication for Feasibility Survey for Stroke Rehabilitation Trial.” In Stroke, Vol. 48, 2017.Link to Item
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Feng, Wayne, Hernan Bayona, Steve Kautz, and Pratik Chhatbar. “A Simple Bedside Grading Scale Can Effectively Predict Severe Post-Stroke Upper-Extremity Spasticity.” In Neurology, Vol. 86. LIPPINCOTT WILLIAMS & WILKINS, 2016.Link to Item
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Feng, Wuwei, Jan A. Enabore, Steve Kautz, Robert J. Adams, and Pratik Chhatbar. “Dose Response Relationship in Transcranial Direct Current Stimulation Stroke Motor Recovery Studies.” In Stroke, Vol. 46. LIPPINCOTT WILLIAMS & WILKINS, 2015.Link to Item
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Folsom, Jamie, Nnadozie Ezerioha, Pratik Chhatbar, Swaroop Pawar, Christina Holmstedt, Edward Jauch, Bruce Ovbiagele, Robert J. Adams, and Wuwei Wayne Feng. “The Impact of Contrast Based CTA/CTP Brain Attack Protocol on Kidney Function.” In Stroke, Vol. 46. LIPPINCOTT WILLIAMS & WILKINS, 2015.Link to Item
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Bae, J., L. S. Giraldo, P. Chhatbar, J. Francis, J. Sanchez, and J. Principe. “Stochastic kernel temporal difference for reinforcement learning.” In Ieee International Workshop on Machine Learning for Signal Processing, 2011. https://doi.org/10.1109/MLSP.2011.6064634.Full Text
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DiStasio, M. M., P. Y. Chhatbar, and J. T. Francis. “Sparse coding of movement-related neural activity.” In 2011 Ieee Signal Processing in Medicine and Biology Symposium, Spmb 2011, 2011. https://doi.org/10.1109/SPMB.2011.6120134.Full Text
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Sanchez, J. C., A. Tarigoppula, J. S. Choi, B. T. Marsh, P. Y. Chhatbar, B. Mahmoudi, and J. T. Francis. “Control of a center-out reaching task using a reinforcement learning Brain-Machine Interface.” In 2011 5th International Ieee/Embs Conference on Neural Engineering, Ner 2011, 525–28, 2011. https://doi.org/10.1109/NER.2011.5910601.Full Text
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Bae, Jihye, Pratik Chhatbar, Joseph T. Francis, Justin C. Sanchez, and Jose C. Principe. “Reinforcement learning via kernel temporal difference.” In Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual International Conference, 2011:5662–65, 2011. https://doi.org/10.1109/iembs.2011.6091370.Full Text
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Chhatbar, Pratik Y., and Joseph T. Francis. “Comparison of force and power generation patterns and their predictions under different external dynamic environments.” In Annu Int Conf Ieee Eng Med Biol Soc, 2010:1686–90, 2010. https://doi.org/10.1109/IEMBS.2010.5626832.Full Text Link to Item
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