Epidural stimulation restores muscle synergies by modulating neural drives in participants with sensorimotor complete spinal cord injuries

Learning the parts of objects by non-negative matrix factorization

Daniel D. Lee, H. Sebastian Seung · Nature · 1999 · 13.8K citations

Non-negative Matrix Factorization, Machine Vision, Image Analysis +11

International standards for neurological classification of spinal cord injury (Revised 2011)

Steven Kirshblum, Stephen P. Burns, Fin Biering‐Sørensen et al. · Journal of Spinal Cord Medicine · 2011 · 2.3K citations · Full text

International Standards, Injury Prevention, Peripheral Nerve +21

Approach to an irregular time series on the basis of the fractal theory

Tomoyuki Higuchi · Physica D Nonlinear Phenomena · 1988 · 2.1K citations

Fractal Theory, Chaos Theory, Fourier Analysis +4

Effect of epidural stimulation of the lumbosacral spinal cord on voluntary movement, standing, and assisted stepping after motor complete paraplegia: a case study

Susan J. Harkema, Yury Gerasimenko, Jonathan E. Hodes et al. · The Lancet · 2011 · 1.2K citations

Upright Posture, Lumbosacral Radiculopathy, Epidural Stimulation +13

Five basic muscle activation patterns account for muscle activity during human locomotion

Yuri P. Ivanenko, R. E. Poppele, Francesco Lacquaniti · The Journal of Physiology · 2004 · 1.1K citations · Full text

Gait Analysis, Physical Activity, Neuromuscular Coordination +20