par Desmedt, Jean Edouard ;Chalklin, Vincent
Référence Electroencephalography and Clinical Neurophysiology/ Evoked Potentials, 74, 5, page (359-366)
Publication Publié, 1989
Article révisé par les pairs
Résumé : A method is described for computing a Z estimator for the quantitative comparison of topographical patterns in 2 maps.Z can assume values between 1 and -1. The procedure is illustrated on a 3-shell head model for different configurations of current dipoles in the head space. The sensitivity of Z estimation can be adjusted by different weighting procedures or by using an average reference. When Z = 1 indicates identity of the set of active dipoles in the 2 maps compared, a dilation factor can be computed to estimate the enhanced or reduced activity of these generators. © 1989.

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