3-Dimensional Source Correlation

NeuroGuide computes the Pearson Product Correlation Coefficient (-1 to +1) with respect to a 3-dimensional Region of Interest (ROI) and the remainder of the 2,394 LORETA Gray Matter Pixels over the time span of selected EEG and then displays the results in the LORETA Viewer (Launch the NeuroGuide demo then click Help > NeuroGuide Help > NeuroGuide Manual > Appendix-G). The ROI is identified by either an Anatomical Name or by Brodmann Area. The average current sources of the ROI are used in the computation of the correlation coefficient and the ROI correlation to itself = 0 in the LORETA Viewer.

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Source Corr-Contour ROI.JPG (90497 bytes)Source Corr-Z Score Control Panel.jpg (21627 bytes)Example raw score contour map.jpg (76664 bytes)Example Z score contour map.jpg (69054 bytes)FIG. 5 LEFT vs. RIGHT Frontal.jpg (42257 bytes)Fig. 10 Gyrii & Connections Model.jpg (34482 bytes)

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