Spencer Kellis, PhD - Publications

Affiliations: 
Biology California Institute of Technology, Pasadena, CA 
Area:
Neural Engineering

55 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2021 Bashford L, Rosenthal I, Kellis S, Pejsa K, Kramer D, Lee B, Liu C, Andersen RA. The neurophysiological representation of imagined somatosensory percepts in human cortex. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. PMID 33483431 DOI: 10.1523/JNEUROSCI.2460-20.2021  0.8
2020 Jafari M, Aflalo T, Chivukula S, Kellis SS, Salas MA, Norman SL, Pejsa K, Liu CY, Andersen RA. The human primary somatosensory cortex encodes imagined movement in the absence of sensory information. Communications Biology. 3: 757. PMID 33311578 DOI: 10.1038/s42003-020-01484-1  0.8
2020 Saif-Ur-Rehman M, Ali O, Dyck S, Lienkämper R, Metzler M, Parpaley Y, Wellmer J, Liu C, Lee B, Kellis S, Andersen RA, Iossifidis I, Glasmachers T, Klaes C. SpikeDeep-Classifier: A deep-learning based fully automatic offline spike sorting algorithm. Journal of Neural Engineering. PMID 33166944 DOI: 10.1088/1741-2552/abc8d4  0.8
2020 Chen KH, Gogia AS, Tang A, Martin Del Campo-Vera R, Sebastian R, Nune G, Wong J, Liu C, Kellis S, Lee B. Beta-band modulation in the human hippocampus during a conflict response task. Journal of Neural Engineering. PMID 33059331 DOI: 10.1088/1741-2552/abc1b8  0.36
2020 Sohn WJ, Wang PT, Kellis S, Andersen RA, Liu CY, Heydari P, Nenadic Z, Do AH. A Prototype of a Fully-Implantable Charge-Balanced Artificial Sensory Stimulator for Bi-directional Brain-Computer-Interface (BD-BCI). Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual International Conference. 2020: 3083-3085. PMID 33018656 DOI: 10.1109/EMBC44109.2020.9176718  0.8
2020 Serrano-Amenos C, Hu F, Wang PT, Kellis S, Andersen RA, Liu CY, Heydari P, Do AH, Nenadic Z. Thermal Analysis of a Skull Implant in Brain-Computer Interfaces. Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual International Conference. 2020: 3066-3069. PMID 33018652 DOI: 10.1109/EMBC44109.2020.9175483  0.8
2020 Gogia AS, Martin Del Campo-Vera R, Chen KH, Sebastian R, Nune G, Kramer DR, Lee MB, Tafreshi AR, Barbaro MF, Liu CY, Kellis S, Lee B. Gamma-band modulation in the human amygdala during reaching movements. Neurosurgical Focus. 49: E4. PMID 32610288 DOI: 10.3171/2020.4.FOCUS20179  0.36
2020 Martin Del Campo-Vera R, Gogia AS, Chen KH, Sebastian R, Kramer DR, Lee MB, Peng T, Tafreshi AR, Barbaro M, Liu C, Kellis S, Lee B. Beta-band power modulation in the human hippocampus during a reaching task. Journal of Neural Engineering. PMID 32413878 DOI: 10.1088/1741-2552/ab937f  0.36
2020 Tafreshi AR, Peng T, Yu C, Kramer DR, Gogia AS, Lee MB, Barbaro MF, Sebastian R, Del Campo-Vera RM, Chen KH, Kellis SS, Lee B. A phantom study of the spatial precision and accuracy of stereotactic localization using computed tomographic imaging with the Leksell stereotactic system. World Neurosurgery. PMID 32298832 DOI: 10.1016/j.wneu.2020.03.204  0.36
2020 Pu H, Lim J, Kellis S, Liu C, Andersen RA, Do A, Heydari P, Nenadic Z. Optimal artifact suppression in simultaneous electrocorticography stimulation and recording for bi-directional brain-computer interface applications. Journal of Neural Engineering. PMID 32208379 DOI: 10.1088/1741-2552/ab82ac  0.8
2020 Kramer DR, Lee MB, Barbaro M, Gogia AS, Peng T, Liu C, Kellis S, Lee B. Mapping of primary somatosensory cortex of the hand area using a high-density electrocorticography grid for closed-loop brain computer interface. Journal of Neural Engineering. PMID 32131064 DOI: 10.1088/1741-2552/ab7c8e  0.36
2020 Kramer DR, Lamorie-Foote K, Barbaro M, Lee MB, Peng T, Gogia A, Nune G, Liu CY, Kellis SS, Lee B. Utility and lower limits of frequency detection in surface electrode stimulation for somatosensory brain-computer interface in humans. Neurosurgical Focus. 48: E2. PMID 32006952 DOI: 10.3171/2019.11.FOCUS19696  0.36
2019 Andersen RA, Aflalo T, Kellis S. From thought to action: The brain-machine interface in posterior parietal cortex. Proceedings of the National Academy of Sciences of the United States of America. PMID 31871144 DOI: 10.1073/pnas.1902276116  0.8
2019 Peng T, Kramer DR, Lee MB, Barbaro MF, Ding L, Liu CY, Kellis S, Lee B. Comparison of Intraoperative 3-Dimensional Fluoroscopy With Standard Computed Tomography for Stereotactic Frame Registration. Operative Neurosurgery (Hagerstown, Md.). PMID 31584102 DOI: 10.1093/ons/opz296  0.36
2019 Kramer DR, Lamorie-Foote K, Barbaro M, Lee M, Peng T, Gogia A, Liu CY, Kellis SS, Lee B. Functional Frequency Discrimination From Cortical Somatosensory Stimulation in Humans. Frontiers in Neuroscience. 13: 832. PMID 31440133 DOI: 10.3389/fnins.2019.00832  0.36
2019 Lee MB, Kramer DR, Peng T, Barbaro MF, Liu CY, Kellis S, Lee B. Clinical neuroprosthetics: Today and tomorrow. Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia. PMID 31375306 DOI: 10.1016/j.jocn.2019.07.056  0.36
2019 Saif-Ur-Rehman M, Lienkämper R, Parpaley Y, Wellmer J, Liu C, Lee B, Kellis S, Andersen RA, Iossifidis I, Glasmachers T, Klaes C. SpikeDeeptector: A deep-learning based method for detection of neural spiking activity. Journal of Neural Engineering. PMID 31042684 DOI: 10.1088/1741-2552/ab1e63  0.8
2019 Barbaro MF, Kramer DR, Nune G, Lee MB, Peng T, Liu CY, Kellis S, Lee B. Directional tuning during reach planning in the supramarginal gyrus using local field potentials. Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia. PMID 31023574 DOI: 10.1016/j.jocn.2019.03.061  0.36
2019 Lee MB, Kramer DR, Peng T, Barbaro MF, Liu CY, Kellis S, Lee B. Brain-Computer Interfaces in Quadriplegic Patients. Neurosurgery Clinics of North America. 30: 275-281. PMID 30898278 DOI: 10.1016/j.nec.2018.12.009  0.36
2019 Kramer DR, Barbaro MF, Lee M, Peng T, Nune G, Liu CY, Kellis S, Lee B. Electrocorticographic changes in field potentials following natural somatosensory percepts in humans. Experimental Brain Research. PMID 30796470 DOI: 10.1007/s00221-019-05495-1  0.36
2019 Kramer DR, Kellis S, Barbaro M, Salas MA, Nune G, Liu CY, Andersen RA, Lee B. Technical considerations for generating somatosensation via cortical stimulation in a closed-loop sensory/motor brain-computer interface system in humans. Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia. PMID 30711286 DOI: 10.1016/j.jocn.2019.01.027  0.8
2019 Barbaro MF, Chesney K, Kramer DR, Kellis S, Peng T, Blumenfeld Z, Gogia AS, Lee MB, Greenwood J, Nune G, Kalayjian LA, Heck CN, Liu CY, Lee B. Dual responsive neurostimulation implants for epilepsy. Journal of Neurosurgery. 1-7. PMID 30684944 DOI: 10.3171/2018.8.JNS181362  0.36
2018 Lee B, Kramer D, Armenta Salas M, Kellis S, Brown D, Dobreva T, Klaes C, Heck C, Liu C, Andersen RA. Engineering Artificial Somatosensation Through Cortical Stimulation in Humans. Frontiers in Systems Neuroscience. 12: 24. PMID 29915532 DOI: 10.3389/fnsys.2018.00024  0.8
2018 Chen BR, Buchanan IA, Kellis S, Kramer D, Ohiorhenuan I, Blumenfeld Z, Grisafe Ii DJ, Barbaro MF, Gogia AS, Lu JY, Chen BB, Lee B. Utilizing Light-field Imaging Technology in Neurosurgery. Cureus. 10: e2459. PMID 29888163 DOI: 10.7759/cureus.2459  0.36
2018 Armenta Salas M, Bashford L, Kellis S, Jafari M, Jo H, Kramer D, Shanfield K, Pejsa K, Lee B, Liu CY, Andersen RA. Proprioceptive and cutaneous sensations in humans elicited by intracortical microstimulation. Elife. 7. PMID 29633714 DOI: 10.7554/eLife.32904  0.8
2017 Afra P, Hanrahan SJ, Kellis SS, House P. Non ictal onset zone: A window to ictal dynamics. Epilepsy & Behavior Case Reports. 8: 123-127. PMID 29204348 DOI: 10.1016/j.ebcr.2017.10.003  0.64
2017 Liou JY, Smith E, Bateman L, McKhann G, Goodman R, Greger B, Davis T, Kellis S, House P, Schevon C. Multivariate regression methods for estimating velocity of ictal discharges from human microelectrode recordings. Journal of Neural Engineering. PMID 28332484 DOI: 10.1088/1741-2552/aa68a6  0.96
2016 Smith EH, Liou JY, Davis TS, Merricks EM, Kellis SS, Weiss SA, Greger B, House PA, McKhann Ii GM, Goodman RR, Emerson RG, Bateman LM, Trevelyan AJ, Schevon CA. The ictal wavefront is the spatiotemporal source of discharges during spontaneous human seizures. Nature Communications. 7: 11098. PMID 27020798 DOI: 10.1038/ncomms11098  0.96
2016 Warren DJ, Kellis S, Nieveen JG, Wendelken SM, Dantas H, Davis TS, Hutchinson DT, Normann RA, Clark GA, John Mathews V. Recording and decoding for neural prostheses Proceedings of the Ieee. 104: 374-391. DOI: 10.1109/JPROC.2015.2507180  0.96
2015 Klaes C, Kellis S, Aflalo T, Lee B, Pejsa K, Shanfield K, Hayes-Jackson S, Aisen M, Heck C, Liu C, Andersen RA. Hand Shape Representations in the Human Posterior Parietal Cortex. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 35: 15466-76. PMID 26586832 DOI: 10.1523/JNEUROSCI.2747-15.2015  0.96
2015 Kellis S, Sorensen L, Darvas F, Sayres C, O'Neill K, Brown RB, House P, Ojemann J, Greger B. Multi-scale analysis of neural activity in humans: Implications for micro-scale electrocorticography. Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology. PMID 26138146 DOI: 10.1016/j.clinph.2015.06.002  0.96
2015 Aflalo T, Kellis S, Klaes C, Lee B, Shi Y, Pejsa K, Shanfield K, Hayes-Jackson S, Aisen M, Heck C, Liu C, Andersen RA. Neurophysiology. Decoding motor imagery from the posterior parietal cortex of a tetraplegic human. Science (New York, N.Y.). 348: 906-10. PMID 25999506 DOI: 10.1126/science.aaa5417  0.96
2014 Revechkis B, Aflalo TN, Kellis S, Pouratian N, Andersen RA. Parietal neural prosthetic control of a computer cursor in a graphical-user-interface task. Journal of Neural Engineering. 11: 066014. PMID 25394419 DOI: 10.1088/1741-2560/11/6/066014  0.96
2014 Andersen RA, Kellis S, Klaes C, Aflalo T. Toward more versatile and intuitive cortical brain-machine interfaces. Current Biology : Cb. 24: R885-97. PMID 25247368 DOI: 10.1016/j.cub.2014.07.068  0.96
2014 Klaes C, Shi Y, Kellis S, Minxha J, Revechkis B, Andersen RA. A cognitive neuroprosthetic that uses cortical stimulation for somatosensory feedback. Journal of Neural Engineering. 11: 056024. PMID 25242377 DOI: 10.1088/1741-2560/11/5/056024  0.96
2014 Redd B, Kellis S, Gaskin N, Brown R. The impact of process scaling on scratchpad memory energy savings Journal of Low Power Electronics and Applications. 4: 231-251. DOI: 10.3390/jlpea4030231  0.96
2014 Katyal KD, Johannes MS, Kellis S, Aflalo T, Klaes C, McGee TG, Para MP, Shi Y, Lee B, Pejsa K, Liu C, Wester BA, Tenore F, Beaty JD, Ravitz AD, et al. A collaborative BCI approach to autonomous control of a prosthetic limb system Conference Proceedings - Ieee International Conference On Systems, Man and Cybernetics. 2014: 1479-1482. DOI: 10.1109/smc.2014.6974124  0.96
2014 Dantas H, Kellis S, Mathews VJ, Greger B. Neural decoding using a nonlinear generative model for brain-computer interface Icassp, Ieee International Conference On Acoustics, Speech and Signal Processing - Proceedings. 4683-4687. DOI: 10.1109/ICASSP.2014.6854490  0.96
2013 Stacey WC, Kellis S, Greger B, Butson CR, Patel PR, Assaf T, Mihaylova T, Glynn S. Potential for unreliable interpretation of EEG recorded with microelectrodes. Epilepsia. 54: 1391-401. PMID 23647099 DOI: 10.1111/epi.12202  0.96
2013 Smith E, Kellis S, House P, Greger B. Decoding stimulus identity from multi-unit activity and local field potentials along the ventral auditory stream in the awake primate: implications for cortical neural prostheses. Journal of Neural Engineering. 10: 016010. PMID 23283406 DOI: 10.1088/1741-2560/10/1/016010  0.96
2012 Smith EH, Kellis SS, House PA, Greger B. Information transfer along the ventral auditory processing stream in the awake macaque. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 2012: 5178-81. PMID 23367095 DOI: 10.1109/EMBC.2012.6347160  0.96
2012 Kellis S, Hanrahan S, Davis T, House PA, Brown R, Greger B. Decoding hand trajectories from micro-electrocorticography in human patients. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 2012: 4091-4. PMID 23366827 DOI: 10.1109/EMBC.2012.6346866  0.96
2012 Stacey WC, Kellis S, Patel PR, Greger B, Butson CR. Signal distortion from microelectrodes in clinical EEG acquisition systems. Journal of Neural Engineering. 9: 056007. PMID 22878608 DOI: 10.1088/1741-2560/9/5/056007  0.96
2012 Redd B, Kellis S, Gaskin N, Guthaus M, Brown R. Architecture for increased address space in an ultra-low-power microprocessor Midwest Symposium On Circuits and Systems. 125-128. DOI: 10.1109/MWSCAS.2012.6291973  0.96
2011 Kellis S, Greger B, Hanrahan S, House P, Brown R. Platinum microwire for subdural electrocorticography over human neocortex: millimeter-scale spatiotemporal dynamics. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 2011: 4761-5. PMID 22255402 DOI: 10.1109/IEMBS.2011.6091179  0.96
2011 Redd B, Kellis S, Gaskin N, Brown R. Scratchpad memories in the context of process scaling Midwest Symposium On Circuits and Systems. DOI: 10.1109/MWSCAS.2011.6026676  0.96
2011 Kellis S, Greger B, Hanrahan S, House P, Brown R. Sensing millimeter-scale dynamics in cortical surface potentials for neural prosthetics Proceedings of Ieee Sensors. 1823-1826. DOI: 10.1109/ICSENS.2011.6127165  0.96
2010 Kellis S, Miller K, Thomson K, Brown R, House P, Greger B. Classification of spoken words using surface local field potentials. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 2010: 3827-30. PMID 21097062 DOI: 10.1109/IEMBS.2010.5627682  0.96
2010 Kellis S, Miller K, Thomson K, Brown R, House P, Greger B. Decoding spoken words using local field potentials recorded from the cortical surface. Journal of Neural Engineering. 7: 056007. PMID 20811093 DOI: 10.1088/1741-2560/7/5/056007  0.96
2010 Kellis S, Gaskin N, Redd B, Marsman E, Brown R. Hybrid on-chip clocking for sensor nodes 2010 International Symposium On System-On-Chip Proceedings, Soc 2010. 129-132. DOI: 10.1109/ISSOC.2010.5625540  0.96
2010 Kellis S, Gaskin N, Redd B, Campbell J, Brown R. Energy profile of a microcontroller for neural prosthetic application Iscas 2010 - 2010 Ieee International Symposium On Circuits and Systems: Nano-Bio Circuit Fabrics and Systems. 3841-3844. DOI: 10.1109/ISCAS.2010.5537715  0.96
2009 Baker J, Bishop W, Kellis S, Levy T, House P, Greger B. Multi-scale recordings for neuroprosthetic control of finger movements. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 2009: 4573-7. PMID 19963841 DOI: 10.1109/IEMBS.2009.5332692  0.96
2009 Kellis SS, House PA, Thomson KE, Brown R, Greger B. Human neocortical electrical activity recorded on nonpenetrating microwire arrays: applicability for neuroprostheses. Neurosurgical Focus. 27: E9. PMID 19569897 DOI: 10.3171/2009.4.FOCUS0974  0.96
2008 Spjut J, Boulos S, Kopta D, Brunvand E, Kellis S. TRaX: A multi-threaded architecture for real-time ray tracing 2008 Symposium On Application Specific Processors, Sasp 2008. 108-114. DOI: 10.1109/SASP.2008.4570794  0.96
2004 Henrie J, Kellis S, Schultz SM, Hawkins A. Electronic color charts for dielectric films on silicon Optics Express. 12: 1464-1469. DOI: 10.1364/OPEX.12.001464  0.96
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