Nik Nikooyan, Ph.D.
Former Senior Research Scientist and University Lecturer with numerous publications on AI/ML, Modeling, and Neuroscience
Research Expertise
About
Publications
The relationship between lower-extremity stress fractures and the ground reaction force: A systematic review
Clinical Biomechanics / Jan 01, 2011
Zadpoor, A. A., & Nikooyan, A. A. (2011). The relationship between lower-extremity stress fractures and the ground reaction force: A systematic review. Clinical Biomechanics, 26(1), 23–28. https://doi.org/10.1016/j.clinbiomech.2010.08.005
Reward feedback accelerates motor learning
Journal of Neurophysiology / Jan 15, 2015
Nikooyan, A. A., & Ahmed, A. A. (2015). Reward feedback accelerates motor learning. Journal of Neurophysiology, 113(2), 633–646. https://doi.org/10.1152/jn.00032.2014
Development of a comprehensive musculoskeletal model of the shoulder and elbow
Medical & Biological Engineering & Computing / Oct 29, 2011
Asadi Nikooyan, A., Veeger, H. E. J., Chadwick, E. K. J., Praagman, M., & van der Helm, F. C. T. (2011). Development of a comprehensive musculoskeletal model of the shoulder and elbow. Medical & Biological Engineering & Computing, 49(12), 1425–1435. https://doi.org/10.1007/s11517-011-0839-7
Mass–spring–damper modelling of the human body to study running and hopping – an overview
Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine / Oct 07, 2011
Nikooyan, A. A., & Zadpoor, A. A. (2011). Mass–spring–damper modelling of the human body to study running and hopping – an overview. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 225(12), 1121–1135. https://doi.org/10.1177/0954411911424210
A model-based parametric study of impact force during running
Journal of Biomechanics / Jan 01, 2007
Zadpoor, A. A., Asadi Nikooyan, A., & Reza Arshi, A. (2007). A model-based parametric study of impact force during running. Journal of Biomechanics, 40(9), 2012–2021. https://doi.org/10.1016/j.jbiomech.2006.09.016
Effects of Muscle Fatigue on the Ground Reaction Force and Soft-Tissue Vibrations During Running: A Model Study
IEEE Transactions on Biomedical Engineering / Mar 01, 2012
Nikooyan, A. A., & Zadpoor, A. A. (2012). Effects of Muscle Fatigue on the Ground Reaction Force and Soft-Tissue Vibrations During Running: A Model Study. IEEE Transactions on Biomedical Engineering, 59(3), 797–804. https://doi.org/10.1109/tbme.2011.2179803
An EMG-driven musculoskeletal model of the shoulder
Human Movement Science / Apr 01, 2012
Nikooyan, A. A., Veeger, H. E. J., Westerhoff, P., Bolsterlee, B., Graichen, F., Bergmann, G., & van der Helm, F. C. T. (2012). An EMG-driven musculoskeletal model of the shoulder. Human Movement Science, 31(2), 429–447. https://doi.org/10.1016/j.humov.2011.08.006
The effects of lower-extremity muscle fatigue on the vertical ground reaction force: A meta-analysis
Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine / May 18, 2012
Zadpoor, A. A., & Nikooyan, A. A. (2012). The effects of lower-extremity muscle fatigue on the vertical ground reaction force: A meta-analysis. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 226(8), 579–588. https://doi.org/10.1177/0954411912447021
An improved cost function for modeling of muscle activity during running
Journal of Biomechanics / Mar 01, 2011
Nikooyan, A. A., & Zadpoor, A. A. (2011). An improved cost function for modeling of muscle activity during running. Journal of Biomechanics, 44(5), 984–987. https://doi.org/10.1016/j.jbiomech.2010.11.032
Minimal handgrip force is needed for transcutaneous electrical stimulation to improve hand functions of patients with severe spinal cord injury
Scientific Reports / May 11, 2022
Huang, R., Nikooyan, A. A., Moore, L. D., Zdunowski, S., Morikawa, E., Sierro, T., Sayenko, D., Gad, P., Homsey, T., Le, T., Madhavan, M. A., Abdelshahid, M., Abdelshahid, M., Zhou, Y., Nuwer, M. R., Sarrafzadeh, M., Edgerton, V. R., Leiter, J. C., & Lu, D. C. (2022). Minimal handgrip force is needed for transcutaneous electrical stimulation to improve hand functions of patients with severe spinal cord injury. Scientific Reports, 12(1). https://doi.org/10.1038/s41598-022-11306-5
Machine learning classifies predictive kinematic features in a mouse model of neurodegeneration
Scientific Reports / Feb 17, 2021
Huang, R., Nikooyan, A. A., Xu, B., Joseph, M. S., Damavandi, H. G., von Trotha, N., Li, L., Bhattarai, A., Zadeh, D., Seo, Y., Liu, X., Truong, P. A., Koo, E. H., Leiter, J. C., & Lu, D. C. (2021). Machine learning classifies predictive kinematic features in a mouse model of neurodegeneration. Scientific Reports, 11(1). https://doi.org/10.1038/s41598-021-82694-3
Application of Virtual Environments to Assessment of Human Motor Learning During Reaching Movements
Presence: Teleoperators and Virtual Environments / Apr 01, 2009
Nikooyan, A. A., & Zadpoor, A. A. (2009). Application of Virtual Environments to Assessment of Human Motor Learning During Reaching Movements. Presence: Teleoperators and Virtual Environments, 18(2), 112–124. https://doi.org/10.1162/pres.18.2.112
RELATIVE CONTRIBUTION OF DIFFERENT MUSCLE ENERGY CONSUMPTION PROCESSES IN AN ENERGY-BASED MUSCLE LOAD SHARING COST FUNCTION
Journal of Mechanics in Medicine and Biology / Jan 10, 2013
NIKOOYAN, A. A., VEEGER, H., WESTERHOFF, P., BERGMANN, G., & VAN DER HELM, F. C. T. (2013). RELATIVE CONTRIBUTION OF DIFFERENT MUSCLE ENERGY CONSUMPTION PROCESSES IN AN ENERGY-BASED MUSCLE LOAD SHARING COST FUNCTION. Journal of Mechanics in Medicine and Biology, 13(01), 1350009. https://doi.org/10.1142/s0219519413500097
PUBLICATION AND CITATION IN BIOMECHANICS: A COMPARISON WITH CLOSELY RELATED FIELDS (2003–2010)
Journal of Mechanics in Medicine and Biology / Sep 01, 2011
ZADPOOR, A. A., & NIKOOYAN, A. A. (2011). PUBLICATION AND CITATION IN BIOMECHANICS: A COMPARISON WITH CLOSELY RELATED FIELDS (2003–2010). Journal of Mechanics in Medicine and Biology, 11(04), 705–711. https://doi.org/10.1142/s0219519411004836
Application of a Neurofuzzy System to Identification of Some Classes of Soft Tissues Utilizing Experimental Data
2006 IEEE International Conference on Engineering of Intelligent Systems
Shirzi, M. A., Nikooyan, A. A., Yazdi, M. R. H., Zadpoor, A. A., & Lucas, C. (n.d.). Application of a Neurofuzzy System to Identification of Some Classes of Soft Tissues Utilizing Experimental Data. 2006 IEEE International Conference on Engineering of Intelligent Systems. https://doi.org/10.1109/iceis.2006.1703208
A bond graph approach to analysis of effects of arteriosclerosis on cardiovascular system's performance
Journal of Biomechanics / Jan 01, 2006
Nikooyan, A. A., Zadpoor, A. A., & Arshi, A. R. (2006). A bond graph approach to analysis of effects of arteriosclerosis on cardiovascular system’s performance. Journal of Biomechanics, 39, S606. https://doi.org/10.1016/s0021-9290(06)85517-x
Development of a nonlinear viscoelastic model of human body for computation of impact force during running
Journal of Biomechanics / Jan 01, 2006
Zadpoor, A. A., Nikooyan, A. A., & Arshi, A. R. (2006). Development of a nonlinear viscoelastic model of human body for computation of impact force during running. Journal of Biomechanics, 39, S180. https://doi.org/10.1016/s0021-9290(06)83637-7
Forced vibration analysis of harmonically excited nonlinear viscoelastic biomaterials
Journal of Biomechanics / Jan 01, 2006
Zadpoor, A. A., & Nikooyan, A. A. (2006). Forced vibration analysis of harmonically excited nonlinear viscoelastic biomaterials. Journal of Biomechanics, 39, S641–S642. https://doi.org/10.1016/s0021-9290(06)85674-5
Education
University of California, Berkeley
Masters, Information & Data Science / December, 2021
Delft University of Technology
Ph.D., Biomedical Engineering / June, 2011
Experience
California State University
Lecturer / August, 2017 — May, 2019
UCLA Health
Research Data Scientist / June, 2019 — March, 2021
University of Colorado Boulder
Research Associate / August, 2013 — April, 2015
Delft University of Technology
Postdoctoral Researcher / July, 2011 — January, 2013
Research Assistant / May, 2007 — June, 2011
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