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sj-pdf-1-nnr-10.1177_15459683231207355 – Supplemental material for The Evolution of Hand Proprioceptive and Motor Impairments in the Sub-Acute Phase After Stroke
No full textSupplemental material, sj-pdf-1-nnr-10.1177_15459683231207355 for The Evolution of Hand Proprioceptive and Motor Impairments in the Sub-Acute Phase After Stroke by Monika Zbytniewska-Mégret, Christian Salzmann, Christoph M. Kanzler, Thomas Hassa, Roger Gassert, Olivier Lambercy and Joachim Liepert in Neurorehabilitation and Neural Repair</p
Variable errors of threshold estimates.
No full textVariable errors (VE) of the threshold estimates for the six different simulated sampling procedures. The color bar indicated the VE values in (°).</p
Robotic setup for the wrist proprioception assessments in the behavioral study.
No full textThe motor (gray) actuates the handle (blue) in wrist flexion-extension direction. A touchscreen (semitransparent dark gray) placed over the wrist occludes the tested wrist from vision. With the non-assessed hand, the subject reports the response by clicking on one of the two blue buttons indicated on the screen.</p
Overall performance of the six procedures.
No full textTwo-dimensional plot showing the overall performance of the six methods based on the normalized volume under the surface (nVUS) and inhomogeneity parameter σ for the threshold and slope. The ellipses are centered at nVUS and the half-axes correspond to σ. Higher nVUS values and smaller half-axed indicate better estimation performance.</p
Slope transform.
No full textFunction transforming the actual slope in stimulus units (in the present application of proprioceptive joint angle assessments in (1/°)) to arbitrary units (a.u.) within the range [0, 1]. This transformation prior to the calculation of the performance metrics is essential to make the estimation errors comparable for different slope values.</p
Examples of psychometric templates.
No full textExamples of psychometric templates with a threshold of 5° and different slopes used in the computer simulations.</p
Percentage within bounds for the threshold estimates.
No full textFor each slope value of the template parameter set, the percentage within bounds (PCTw/iB) function for threshold estimation are shown with the mean (bold line) and standard deviation (shaded band) across all modeled thresholds.</p
Overall percentage within bounds for the slope estimates.
No full textOverall percentage within bounds (PCTw/iB) function for slope estimation for a linearly resampled parameter space.</p
Simulated reliability and iso-reliability contour of behavioral study.
No full textFor each pair of intra-subject threshold noise να and slope noise νβ, the simulated reliability averaged across Nsimulations = 1000 simulations () is represented as a heat map. The dashed white line indicates the iso-reliability contour corresponding to the reliability obtained from the behavioral study (r = 0.212).</p
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