2024

Griggs WS, Norman SL, Tanter M, Liu C, Christopoulos V, Shapiro MG, Andersen RA (2024). Functional ultrasound neuroimaging reveals mesoscopic organization of saccades in the lateral intraparietal area of posterior parietal cortex. bioRxiv 2024.06.28.600796​

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C. Rabut, S. Norman, W. S. Griggs, J. J. Russin, K Jann, V. Christopoulos, C. Liu, R. A. Andersen, M. G. Shapiro (2024). Functional ultrasound imaging of human brain activity through an acoustically transparent cranial window. Sci Transl Med. 16(749):eadj3143. doi: 10.1126/scitranslmed.adj3143. Epub 2024 May 29. PMID: 38809965.

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Agyeman K, Lee DJ, Abedi A, Sakellaridi S,  Kreydin E, Russin J, Lo YT, Wu K, Choi W, Edgerton VR, Liu C, Christopoulos VN (2024).  Human spinal cord activation during filling and emptying of the bladder. bioRxiv 2024.02.16.580736 

 

​Agyeman K, Lee DJ, Russin J, Kreydin EI, Choi W, Abedi A , Lo YT, Cavaleri J,  Edgerton VR, Liu C, Christopoulos VN (2024). Functional Ultrasound Imaging of the Human Spinal Cord., Neuron. 112(10):1710-1722.e3. doi: 10.1016/j.neuron.2024.02.012. Epub 2024 Mar 7. PMID: 38458198.

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Griggs WS, Norman SL, Deffieux T, Segura F, Osmanski BF, Chau G, Christopoulos V, Liu C, Tanter M, Shapiro MG, Andersen RA. Decoding motor plans using a closed-loop ultrasonic brain-machine interface. Nat Neurosci. 2024 Jan;27(1):196-207. doi: 10.1038/s41593-023-01500-7. Epub 2023 Nov 30. PMID: 38036744; PMCID: PMC10774125.

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L. Crown, K. Agyeman, W. Choi, C. Liu, V. Christopoulos, and D. Lee (2024). Theta-frequency medial septal nucleus deep brain stimulation increases neurovascular activity in MK-801-treated mice. Front Neurosci. 18:1372315. doi: 10.3389/fnins.2024.1372315. PMID: 38560047; PMCID: PMC10978728.

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2023

S. Zhong, N. Pouratian, V Christopoulos (2023). Computational mechanism underlying switching of motor actions. bioRxiv 2023.10.27.564490
 

S. Zhong, K. Agyeman, S. Syed, R. Tobing, W. Choi, C. Liu, D. Lee, V. Christopoulos (2023). Comparison of image registration techniques in functional ultrasound imaging. bioRxiv 2023.09.15.557999 

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K. Agyeman, T. McCarty, H. Multani, K. Mattingly, K. Koziar, J. Chu, C. Liu, E. Kokkoni, and V. Christopoulos (2023). Task-based functional neuroimaging in infants: A systematic review. Front Neurosci. 2023 Aug 16;17:1233990. doi: 10.3389/fnins.2023.1233990. PMID: 37655006; PMCID: PMC10466897.

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L. Crown, K. Agyeman, W. Choi, C. Liu, V. Christopoulos, and D. Lee (2023). Frequency-and circuit-specific effects of septohippocampal deep brain stimulation in mice as measured by functional ultrasound imaging. bioRxiv 2023.05.21.541598

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C. Rabut, S. Norman, W. S. Griggs, J. J. Russin, K Jann, V. Christopoulos, C. Liu, R. A. Andersen, M. G. Shapiro (2023). A window to the brain: ultrasound imaging of human neural activity through a permanent acoustic window. bioRxiv 2023.06.14.544094

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2022

Zhong S, Choi J, Hashoush N, Malekmohammadi M, Pouratian N, Christopoulos VN (2022). A neurocomputational model of action regulation predicts motor behavior in neurotypical individuals and patients with Parkinson's disease. PLoS Comput Biol. (uncorrected proof)

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Griggs W, Norman S, Deffieux T, SeguraF, Osmanski B, Chau C, Christopoulos VN, Liu C, Tanter M, Shapiro M, Andersen RA (2022). Decoding Motor Plans Using a Closed-Loop Ultrasonic Brain-Machine Interface. bioRxiv 2022.11.10.515371; doi: https://doi.org/10.1101/2022.11.10.515371

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Agyeman K, Lee DJ, Russin J, Kreydin EI, Choi W, AbediA , Edgerton VR, Liu C, Christopoulos VN (2022). Functional Ultrasound Imaging of the Human Spinal Cord., bioRxiv 2022.08.06.503044

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2021

Enachescu V, Schrater PR, Schaal S, Christopoulos VN (2021) Choice uncertainty emerges through a desirability-driven competition between parallel encoding motor plans. PLoS Comput Biol. 17(10):e1009429.

Norman S*, Maresca D*, Christopoulos VN*, Griggs G, Demene C, Tanter M, Shapiro M, Andersen RA (2021) Single Trial Decoding of Movement Intentions Using Functional Ultrasound Neuroimaging. Neuron 109(9):1554-1566.e4.*equal contribution - featured in Science magazine

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2019

Sakellaridi S*, Christopoulos VN*, Aflalo T, Pejsa KW, Rosario ER, Ouellette D, Pouratian N, Andersen RA (2019) Intrinsic variable learning for brain-machine interface control by human posterior parietal cortex Neuron.102(3):694-705 *equal contribution

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2018

Christopoulos VN, Igor Kagan, Andersen RA (2018) Lateral intraparietal area (LIP) is largely effector specific in free-choice decisions. Nature Scientific Reports, 8(1), 8611

 

 

2015
Christopoulos VN, Schrater R (2015) Dynamic integration of value information into a common probability currency as a theory for flexible decision making. PLoS Comput Biol. 11(9):e1004402. doi: 10.1371/journal.pcbi.1004402

Christopoulos VN, Bonaiuto J, Kagan I, Andersen RA (2015) Inactivation of parietal reach region affects reaching but not saccade choices in internally guided decisions. J Neurosci. 35(33):11719-11728. 

Sakellaridi S, Christova P, Christopoulos VN Leuthold AC, Peponis J, Georgopoulos AP (2015) Neural mechanisms underlying the exploration of small city maps using magnetoencephalography. Exp Brain Res. 233(11):3187-200

Christopoulos VN, Bonaiuto J, Andersen R (2015) A biologically plausible computational theory for value integration and action selection in decisions with competing alternatives. PLoS Comput Biol. 11(3):e1004104. 

Christopoulos VN, Georgopoulos A, Georgopoulos AP (2015) The effect of apolipoprotein E4 on synchronous neural interactions in brain cultures. Exp Brain Res. 233(6):1977-1982. 

Sakellaridi S, Christova P, Christopoulos VN, Vialard A, Peponis J, Georgopoulos AP (2015) Cognitive mechanisms underlying instructed choice exploration of small city maps. Front Neurosci. 9:60. doi: 10.3389/fnins.2015.00060 (listed as one of the “100 Articles from 2015 in the Spotlight”, ranked: 94/12,500)

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2012
Christopoulos VN, Leuthold A, Georgopoulos AP (2012) Spatiotemporal neural interactions underlying continuous drawing movements as revealed by magnetoencephalography (MEG). Exp Brain Res. 222(1-2):159-171. 

Christopoulos VN , Boeff DV, Evans CD, Crowe DA, Amirikian B, Georgopoulos A, Georgopoulos AP (2012) A network analysis of developing brain cultures. J Neural Eng., 9(4):046008. doi: 10.1088/1741-2560/9/4/046008

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2011
Christopoulos VN , Schrater PR (2011) An optimal feedback control framework for grasping objects with position uncertainty. Neural Comput., 23(10), 2511- 2536. doi: 10.1162/NECO-a-00180 (Cover of the journal)

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2009

Christopoulos VN, Schrater PR (2009) Grasping objects with environmentally induced position uncertainty. PLoS Comput Biol. 5(10):e1000538. doi: 10.1371/journal.pcbi.1000538

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2003
Nikolos IK, Doitsidis L, Christopoulos VN, Tsourveloudis N (2003) Roll control of unmanned aerial vehicles using fuzzy logic. WSEAS Transactions on systems 4(2), 1039-47