Dear SPMer: Can you instructe me the way to displaying postive and negative contrast simultaneously in one single rendering? i.e., warm (red, yellow) color for the increase and cold color (green, blue) for the decrease of corresponding postive and negative contrast, respectively. -- §ù¬F©þ Chung-Haow Tu Integrated Brain Research Unit Veterans General Hospital-Taipei No. 201, Sec. 2, Shih-Pai Rd. Taipei 11217 Taiwan E-Mail: [log in to unmask] Tel: 886-2-28712121-3495 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%