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{ Monthly Archives } July 2007

Comparison of speeds used for the 15.2-meter and 6-minute walks over the year after an incomplete spinal cord injury: the SCILT Trial.

by Hugues Barbeau, PhD, Robert Elashoff, PhD, Daniel Deforge, MD, John F. Ditunno, Jr, MD, Michael Saulino, MD, Bruce H. Dobkin, MD. McGill University/Institut de Readaptation de Montreal, Montreal, Quebec, Canada. BACKGROUND: Timed walking speed for 6 to 15 m and the distance walked in 2 to 12 minutes are frequently used outcome measures in [...]

Power in Voxel-based lesion-symptom mapping.

by Daniel Y. Kimberg, PhD, H. Branch Coslett, MD, Myrna F. Schwartz, PhD. Department of Neurology, University of Pennsylvania, PA, USA. Lesion analysis in brain-injured populations complements what can be learned from functional neuroimaging. Voxel-based approaches to mapping lesion-behavior correlations in brain-injured populations are increasingly popular, and have the potential to leverage image analysis methods [...]

Extending Fitts’ Law to manual obstacle avoidance.

by Steven A. Jax, PhD, David A. Rosenbaum, Jonathan Vaughan. Moss Rehabilitation Research Institute, Albert Einstein Healthcare Network, Philadelphia, PA, USA. In this study we asked whether Fitts’ Law, a well-established relationship that predicts movement times (MTs) for direct movements between two positions, could be extended to predict MTs for curved, obstacle avoiding, movements. We [...]