The mark consists of the outlines of two hemispheres of a brain as seen from a top view, with the outlines being located near the center of three concentric rings of circles, with the diameters of the circles of the innermost ring being smallest, and the diameters of circles of the next ring out from the center being larger, and the diameters of the circles of the outermost ring being largest.
Color is not claimed as a feature of the mark.