Publications

Pre-prints

  • Nishal P Shah, D. Avansino, F. Kamdar, C. Nicolas, A. Kapitonava, C. Vargas-Irwin, L. R. Hochberg, C. Pandarinath, K. Shenoy, F. R Willett, J. Henderson Pseudo-linear Summation explains Neural Geometry of Multi-finger Movements in Human Premotor Cortex. bioRxiv, October 2023 Paper

  • E. G. Wu, N. Brackbill, C. Rhoades, A. Kling, A. R. Gogliettino, Nishal P. Shah, A. Sher, A. M. Litke, E. P. Simoncelli, E.J. Chichilnisky. Fixational Eye Movements Enhance the Precision of Visual Information Transmitted by the Primate Retina. bioArxiv, August 2023. Paper

  • Nishal P. Shah, S. Madugula, A.J. Philips, L. Grosberg, A.R. Gogliettino, A. Dusi, P. Tandon, J. Brown, P. Hottowy, W. Dabrwoski, A. Sher, A. M. Litke, S. Mitra, E.J. Chichilnisky. Precise control of neural activity using temporally dithered and spatially multiplexed electrical stimulation. bioRxiv, July 2022 Paper

  • A. Kling, A.R. Gogliettino, Nishal P Shah, E. G. Wu, N. Brackbill, A. Sher, A. Litke, R. A. Silva, E. J. Chichilnisky. Functional Organization of Midget and Parasol Ganglion Cells in the Human Retina. bioRxiv 2020 Paper

Journal Papers

  • M. Zaidi, G. Aggarwal, Nishal P. Shah, O. Karniol-Tambour, G. Goetz, S. Madugula, A. R. Gogliettino, E. G. Wu, A. Kling, N. Brackbill, A. Sher, A. M. Litke, E.J. Chichilnisky. Inferring retinal ganglion cell light response properties from intrinsic electrical features. Journal of Neural Engineering. August 2023. Paper

  • P. Yan, A. Akhoundi, Nishal P. Shah, P. Tandon, D. G. Muratore, E.J.Chichilnisky, Boris Murmann. Data Compression versus Signal Fidelity Tradeoff in Wired-OR Analog-to-Digital Compressive Arrays for Neural Recording. IEEE TBioCAS. July, 2023. Paper

  • S. Madugula, R. Vilkhu, Nishal P. Shah, L. Grosberg, A. Kling, A. Gogliettino, H. Nguyen, P. Hottowy, A. Sher, A. Litke, E.J. Chichilnisky. Inference of Electrical Stimulation Sensitivity from Recorded Activity of Primate Retinal Ganglion Cells. Journal of Neuroscience. June 2023. Paper

  • S. Madugula, A. R. Gogliettino, M. Zaidi, G. Aggarwal, A. Kling, Nishal P Shah, R. Vilkhu, M. Hays, H. Nguyan, V. Fan, E. G. Wu, P. Hottowy, A. Sher, A. M. Litke, R. A. Silva, E. J. Chichilnisky. Focal Electrical Stimulation of Human Retinal Ganglion Cells for Vision Restoration. Journal of Neural Engineering. December 2022. Paper

  • Nishal P Shah, N. Brackbill, R. Samarakoon, C. Rhoades, A. Kling, A. Sher, A. Litke, Y. Singer, J. Shlens, E.J. Chichilnisky. Individual Variability in the Neural Code of the Retina. Neuron, February 2022. Preview Paper

  • P. Tandon, N. Bhaskar, Nishal P. Shah, S. Madugula, L.E. Grosberg, V.H. Fan, P. Hottowy, A. Sher, A.M. Litke, E.J. Chichilnisky, S. Mitra. Automatic Identification and Avoidance of Axon Bundle Activation for Epiretinal Prosthesis. IEEE Trasactions on Neural Systems and Rehabilitation Engineering 2021. Paper

  • N. Brackbill, C. Rhoades, A. Kling, Nishal P. Shah, A. Sher, A. M. Litke, E.J. Chichilnisky. Reconstruction of natural images from responses of primate retinal ganglion cells. eLife November 2020. Paper

  • Nishal P Shah, E.J. Chichilnisky. Computational Challenges and Opportunities for a Bidirectional Artificial Retina. Journal of Neural Engineering, October 2020. Paper

  • Nishal P Shah, N. Brackbill, C. Rhoades, A. Kling, G. Goetz, A. Litke, A. Sher, E. P. Simoncelli, E.J. Chichilnisky. Inference of nonlinear receptive field subunits with spike-triggered clustering. eLife:9:e45743 March, 2020. Paper Code

  • C. Rhoades, Nishal P Shah, M. Manookin, N. Brackbill, A. Kling, G. Goetz, A. Sher, A. Litke, E.J. Chichilnisky. Unusual Physiological Properties of Smooth Monostratified Ganglion Cell Types in Primate Retina. Neuron, June 2019. Paper

  • B. Bhaumik, Nishal P. Shah. Development and Matching of Binocular Orientation Preference in Mouse V1. Frontiers in Systems Neuroscience 8, 2014 Paper

Conference Papers

  • Nishal P. Shah, M. S. Willsey, N. Hahn, F. Kamdar, D. Avansino, Krishna Shenoy, Jaimie Henderson. A brain-computer typing interface using finger movements. IEEE NER, April 2023 Paper

  • P. Vasireddy, A. Gogliettino, J. Brown, R. Vilkhu, S. Madugula, A.J. Phillips, S. Mitra, P. Hottowy, A. Sher, A. Litke, Nishal P. Shah, E.J. Chichilnisky. Efficient Modeling and Calibration of Multi-Electrode Stimuli for Epiretinal Implants. IEEE NER, April 2023 (Oral presentation) Paper

  • A. Lotlikar, Nishal P. Shah, A. Gogliettino, R. Vilkhu, S. Madugula, L. Grosberg, P. Hottowy, A. Sher, A. Litke, E.J. Chichilnisky, Subhasish Mitra. Partitioned Temporal Dithering for Efficient Epiretinal Electrical Stimulation. IEEE NER, April 2023 Paper

  • AJ Phillips, Nishal P Shah, M. Hays, S. Madugula, J. Brown, P. Hottowy, A. Sher, A. Litke, EJ Chichilnisky Spatially Multiplexed Electrical Stimulation to Reproduce the Neural Code in the Primate Retina. IEEE NER, April 2023

  • Pumiao Yan, Nishal P. Shah, Dante G. Muratore, Pulkit Tandon, E.J. Chichilnisky, Boris Murmann. Data Compression versus Signal Fidelity Tradeoff in Wired-OR ADC Arrays for Neural Recording. IEEE Biomedical Circuits and Systems Conference, October 2022 Paper

  • Nishal P. Shah, S. Madugula, P. Hottowy, A. Sher, A. Litke, L. Paninski, E.J. Chichilnisky. Efficient Characterization of Electrically Evoked Responses for Neural Interfaces. NeurIPS, December 2019 Paper Code

  • Nishal P. Shah, S. Madugula, L. Grosberg, G. Mena, P. Tandon, P. Hottowy, A. Sher, A. Litke, S. Mitra, E.J. Chichilnisky Optimization of Electrical Stimulation for a High-Fidelity Artificial Retina. IEEE NER, March 2019 (Invited for Plenary talk) Paper

  • Nishal P. Shah, S. Madugula, E.J. Chichilnisky, Y. Singer, J. Shlens. Learning a neural response metric for retinal prosthesis. ICLR, April 2018 Paper

  • Nishal P. Shah, F. Alexandre. Reinforcement learning and dimensionality reduction: A model in computational neuroscience. IJCNN, July 2011 Paper

Conference Abstracts (peer-reviewed)

  • M. Willsey, Nishal P. Shah, N. Hahn, R. Jamiolkowski, D. Avansino, L. Hochberg, K. Shenoy, J. Henderson An intracortical brain-computer interfaces to decode finger movements in a human participant with paralysis. Asilomar 2023

  • Nishal P Shah, D. Avansino, F. Kamdar, F. Willet, L. Hochberg, J. Henderson, K. Shenoy. Neural representation of hand gestures in human premotor cortex. Computational and Systems Neuroscience (CoSyNe), March, 2022.

  • Nishal P Shah, N. Brackbill, R. Samarakoon, C. Rhoades, A. Kling, A. Sher, A. Litke, Y. Singer, J. Shlens, E.J. Chichilnisky. Learning Variability in the Neural Code of the Retina. Computational and Systems Neuroscience (CoSyNe), February 2019

  • Nishal P Shah, N. Brackbill, C. Rhoades, A. Tikidji-Hamburyan, G. Goetz, A. Sher, A. Litke, L. Paninski, E.P. Simoncelli, E.J. Chichilnisky. Model-based inference of nonlinear subunits underlying responses of primate retinal ganglion cells. Computational and Systems Neuroscience (CoSyNe), February 2017

  • Nishal P Shah, N. Brackbill, C. Rhoades, A. Tikidji-Hamburyan, G. Goetz, A. Litke, A. Sher, V. Gupta, Y. Singer, E.J. Chichilnisky, J. Shlens. Learning nonlinear models for visual computation in populations of retinal ganglion cells. Computational and Systems Neuroscience (CoSyNe), February 2017

Conference Abstracts (not peer-reviewed)

  • P. K. Vasireddy, A. R. Gogliettino, J. B. Brown, R. S. Vilkhu, S. Madugula, A. J. Phillips, S. Mitra, P. Hottowy, A. Sher, A. Litke, Nishal P. Shah, and E.J. Chichilnisky Targeted Multielectrode Stimulation of Retinal Ganglion Cells for Enhancing the Selectivity of Epiretinal Implants. TEATC 2023, Detroit, MI

  • A. Lotlikar, Nishal P. Shah, A. Gogliettino, R. Vilkhu, S. Madugula, L. Grosberg, A. Sher, A. M. Litke, P. Hottowy, E.J. Chichilnisky, S. Mitra. Partitioned Temporal Dithering for Efficient Epiretinal Electrical Stimulation. TEATC 2023, Detroit, MI

  • P. Yan, Nishal P. Shah, A. Akhoundi, P. Tandon, D. G. Muratore, E.J. Chichilnisky, B. Murmann Wired-OR Analog-to-digital Compression Tradeoffs for Artificial Retina. TEATC 2023, Detroit, MI

  • M.S. Willsey, Nishal P. Shah, N. Hahn, L.R. Hochberg, K.V. Shenoy, J.M. Henderson. Decoding Finger Movements for People with Paralysis Using Neural Network Decoding Algorithms in Intracortical Brain-computer Interfaces. AANS 2023 Annual Meeting, April 2023, Los Angeles, CA.

  • Nishal P Shah, D. Avansino, F. Kamdar, F. Willet, L. Hochberg, J. Henderson, K. Shenoy. Neural representation of hand gestures in human premotor cortex. SfN, November 2022.

  • C. E. Vargas-Irwin, T. Hosman, J. Gusman, T. K. Pun, T. Singer-Clark, A. Kapitonava, Nishal. P. Shah, F. Kamdar, L. R. Hochberg. Single hemisphere encoding of 48 right and left hand gestures in human precentral gyrus. SfN, November 2022.

  • M. Zaidi, G. Aggarwal, Nishal P. Shah, O. Karniol-Tambour, G. Goetz, S. Madugula, A. R. Gogliettino, E. G. Wu, A. Kling, N. Brackbill, A. Sher, A. M. Litke, E.J. Chichilnisky. Inferring retinal ganglion cell light response properties from intrinsic electrical features.Investigative Opthalmology and Visual Science (ARVO), May 2021

  • Nishal P Shah, D. Avansino, F. Willet, L. Hochberg, K. Shenoy, J. Henderson. Neural representation of hand gestures in human premotor cortex. SfN 2021.

  • Nishal P. Shah, S. Madugula, L. Grosberg, G. Mena, P. Hottowy, W. Dabrowski, A. Sher, A.M. Litke, S. Mitra, E.J. Chichilnisky. Temporal dithering of epiretinal stimulation to optimize artificial vision. The Eye and the Chip (TEATC), November 2019 (Oral Presentation)

  • S. Madugula, L. Grosberg, G. Mena, Nishal P. Shah, P. Hottowy, A. Sher, A. M. Litke, L. Paninski, E.J. Chichilnisky. Using electrical images to predict electrical stimulation thresholds for epiretinal stimulation. The Eye and the Chip (TEATC), November 2019 (Best poster award)

  • Nishal P Shah, S. Madugula, L. Grosberg, G. Mena, K. Ganesan, N. Bhaskhar, P. Hottowy, W.Dabrowski, A. Sher, A.M. Litke, S. Mitra, E.J. Chichilnisky. Greedy dictionary-based stimulation for optimization of epiretinal prosthesis. The Eye and The Chip (TEATC), September 2017

  • Nishal P Shah, N. Brackbill, C. Rhoades, A. Tikidji-Hamburyan, G. Goetz, A. Litke, A. Sher, V. Gupta, Y. Singer, E.J. Chichilnisky, J. Shlens. Learning nonlinear models for visual computation in populations of retinal ganglion cells. Computational and Systems Neuroscience (CoSyNe), February 2017

Software

  • Nishal P. Shah Real time 3D finger movement visualization in Unity with hand gestures and customized keyboards for typing.

Reports

  • Learning with Domain Adaptation Worked with Farzan Farnia and Milind Rao on extending results on fundamental performance bounds while performing statistical learning with domain adaptation. This was part of a course project for EE377: Information Theory and Statistics with Prof. John Duchi.

Patents

  • Nishal P. Shah, E.J. Chichilnisky; Systems and Methods for Artificial Sight Prosthetics. Application filed on March 23, 2020; PCT/US2020/024298