Systematic comparisons of interpolation techniques in topographic brain mapping.

  title={Systematic comparisons of interpolation techniques in topographic brain mapping.},
  author={A. C. K. Soong and John C. Lind and Gene R. Shaw and Z. J. Koles},
  journal={Electroencephalography and clinical neurophysiology},
  volume={87 4},
The performance of one local interpolation technique, the nearest neighbors, and two global spline techniques, one planar and the other spherical, commonly used for topographic mapping of brain potential data has been quantitatively evaluated. The method of evaluation was one of cross-validation where the potential at each site in a 31-electrode full scalp recording montage is predicted by interpolation from the other sites. Errors between the measured potentials and those predicted by… CONTINUE READING


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