Author
Johns Hopkins UniversityORCID 0000-0002-3019-0795Unclaimed ORCID profile · follow to get notified of new preprints
9 papers
Recent·Most cited
Jeong Jun Kim, Mingyuan Dong, Daniel H. O’Connor
This study investigates how mice adjust tongue movements based on somatosensory feedback, showing that orofacial cortical circuits dynamically update motor plans on a lick-by-lick timescale.
bioRxiv · Mar 5, 2026 · PreprintNeuroscience
Jiaao Lu, Muneeb Zia, Danish A. Baig, Young Jin Lee, Euichul Chung, Jeong Jun Kim, Geyu Yan, Kailash Nagapudi, Philip Anschutz, Shane Oh, Daniel H. O’Connor, Samuel J. Sober, Muhannad S. Bakir
This paper introduces Opto-Myomatrix, a device for optogenetic muscle activation and EMG recording, achieving high optical output and low electrode impedance.
IEEE Transactions on Biomedical Engineering · Jan 1, 2026Peer-reviewedBioengineering
William P. Olson, Varun B. Chokshi, Jeong Jun Kim, Noah John Cowan, Daniel H. O’Connor
The paper shows that muscle spindle afferents encode complex jaw movements during a lick sequence task, with their coding changing across task phases.
Cell Reports · Oct 23, 2025Peer-reviewedNeuroscience
Jeong Jun Kim, Isis S. Wyche, William P. Olson, Jiaao Lu, Muhannad S. Bakir, Samuel J. Sober, Daniel H. O’Connor
This paper introduces an optogenetic method for perturbing muscles in transgenic mice, enabling simultaneous EMG recording and optical stimulation to study neuromuscular control.
bioRxiv · Jun 21, 2024 · PreprintNeuroscience
Bryce Chung, Muneeb Zia, Kyle A. Thomas, Jonathan A. Michaels, Amanda Jacob, Andrea R. Pack, Matthew J Williams, Kailash Nagapudi, Lay Heng Teng, Eduardo Arrambide, Logan Ouellette, Nicole F. Oey, Rhuna Gibbs, Philip Anschutz, Jiaao Lu, , Samuel J. Sober
The paper introduces Myomatrix arrays, a high-resolution electrode technology for recording muscle activity from motor units across species during natural behaviors.
eLife · Jul 12, 2023Peer-reviewedNeuroscience
Manuel Alexander Mohr, Daniel Bushey, Abhi Aggarwal, Jonathan S. Marvin, Jeong Jun Kim, Emiliano Jimenez Marquez, Yajie Liang, Ronak H. Patel, John J Macklin, Chi-Yu Lee, Arthur Tsang, Getahun Tsegaye, Allison M. Ahrens, Jerry L. Chen, Douglas S. Kim, , Kaspar Podgorski
The paper introduces jYCaMP1, a calcium indicator optimized for two-photon imaging at wavelengths above 1000 nm, showing improved performance in mice and flies.
Nature Methods · May 25, 2020Peer-reviewedNeuroscience
Abbas Kazemipour, Ondřej Novák, Daniel Flickinger, Jonathan S. Marvin, Ahmed S. Abdelfattah, Jonathan King, Philip M. Borden, Jeong Jun Kim, Sarah H. Al-Abdullatif, Parker E. Deal, Evan W. Miller, Eric R. Schreiter, Shaul Druckmann, Karel Svoboda, Loren L. Looger, Kaspar Podgorski
This paper introduces a two-photon imaging technique that achieves high-speed, high-resolution imaging of neural activity in mice at over 1 kHz frame rates.
Nature Methods · Jul 29, 2019Peer-reviewedNeuroscience
Yoav Adam, Jeong Jun Kim, Shan Lou, Yongxin Zhao, Michael E. Xie, Daan Brinks, Hao Wu, Mohammed A. Mostajo-Radji, Simon Kheifets, Vicente Parot, Selmaan N. Chettih, Katherine J. Williams, Benjamin Gmeiner, Samouil L. Farhi, Linda Madisen, , Adam E. Cohen
The paper develops all-optical electrophysiology tools to record subthreshold dynamics and excitability in mouse hippocampus during behavior, revealing brain-state dependent changes in neuronal activity.
Nature · May 1, 2019Peer-reviewedNeuroscience
Samouil L. Farhi, Vicente Parot, Abhinav Grama, Masahito Yamagata, Ahmed S. Abdelfattah, Yoav Adam, Shan Lou, Jeong Jun Kim, Robert E. Campbell, David Cox, Adam E. Cohen
The paper develops tools for wide-area mapping of neuronal activity in brain slices using optimized optogenetic tools and structured illumination.
Journal of Neuroscience · Apr 5, 2019Peer-reviewedNeuroscience