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Spencer Kellis, PhD - Publications

Affiliations: 
Biology California Institute of Technology, Pasadena, CA 
Area:
Neural Engineering
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51 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
2023 Lim J, Wang PT, Bashford L, Kellis S, Shaw Huang S, Gong H, Armacost M, Heydari P, Do A, Andersen RA, Liu CY, Nenadic Z. Suppression of cortical electrostimulation artifacts using pre-whitening and null projection. Journal of Neural Engineering. PMID 37666246 DOI: 10.1088/1741-2552/acf68b  0.519
2023 Klaes C, Pilacinski A, Kellis S, Aflalo T, Liu C, Andersen R. Neural representations of economic decision variables in human posterior parietal cortex. Biorxiv : the Preprint Server For Biology. PMID 37293079 DOI: 10.1101/2023.05.18.541297  0.451
2023 Rosenthal IA, Bashford L, Kellis S, Pejsa K, Lee B, Liu C, Andersen RA. S1 represents multisensory contexts and somatotopic locations within and outside the bounds of the cortical homunculus. Cell Reports. 42: 112312. PMID 37002922 DOI: 10.1016/j.celrep.2023.112312  0.463
2023 Sohn WJ, Lim J, Wang PT, Pu H, Malekzadeh-Arasteh O, Shaw SJ, Armacost M, Gong H, Kellis S, Andersen RA, Liu CY, Heydari P, Nenadic Z, Do AH. Benchtop and bedside validation of a low-cost programmable cortical stimulator in a testbed for bi-directional brain-computer-interface research. Frontiers in Neuroscience. 16: 1075971. PMID 36711153 DOI: 10.3389/fnins.2022.1075971  0.476
2022 Wandelt SK, Kellis S, Bjånes DA, Pejsa K, Lee B, Liu C, Andersen RA. Decoding grasp and speech signals from the cortical grasp circuit in a tetraplegic human. Neuron. PMID 35364014 DOI: 10.1016/j.neuron.2022.03.009  0.546
2022 Andersen RA, Aflalo T, Bashford L, Bjånes D, Kellis S. Exploring Cognition with Brain-Machine Interfaces. Annual Review of Psychology. 73: 131-158. PMID 34982594 DOI: 10.1146/annurev-psych-030221-030214  0.496
2021 Szymanski LJ, Kellis S, Liu CY, Jones KT, Andersen RA, Commins D, Lee B, McCreery DB, Miller CA. Neuropathological effects of chronically implanted, intracortical microelectrodes in a tetraplegic patient. Journal of Neural Engineering. 18. PMID 34314384 DOI: 10.1088/1741-2552/ac127e  0.492
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  0.581
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  0.525
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  0.478
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  0.49
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  0.431
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  0.421
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  0.328
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  0.538
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  0.411
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  0.306
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  0.583
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  0.344
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  0.528
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  0.419
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  0.362
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  0.419
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  0.59
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  0.316
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  0.594
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  0.586
2018 Salas MA, Bashford L, Kellis S, Jafari M, Jo H, Kramer D, Shanfield K, Pejsa K, Lee B, Liu CY, Andersen RA. Author response: Proprioceptive and cutaneous sensations in humans elicited by intracortical microstimulation Elife. DOI: 10.7554/Elife.32904.011  0.459
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  0.609
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  0.695
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  0.699
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  0.552
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  0.647
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  0.582
2015 Revechkis B, Aflalo TNS, Kellis S, Pouratian N, Andersen RA. Erratum: Parietal neural prosthetic control of a computer cursor in a graphical-user-interface task (2014 J. Neural. Eng. 11 066014) Journal of Neural Engineering. 12: 019601. DOI: 10.1088/1741-2560/12/1/019601  0.484
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  0.478
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  0.581
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  0.535
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  0.341
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  0.548
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  0.651
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  0.72
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  0.68
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  0.759
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  0.626
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  0.753
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  0.716
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  0.638
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  0.668
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  0.718
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  0.645
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