Hello :-) Has anyone written a script or developed a tool for calculating the effective sampling rate given the TR and stimulus presentation rate? Easy to do by hand for whole numbers of course, but not when you're dealing with a couple of decimal places :-( With hopeful thanks Rachel ************************************************************* Dr. Rachel L. C. Mitchell, Lecturer in Psychology, Durham University. Honorary Senior Research Fellow, Institute of Psychiatry, KCL. Correspondence Address: Dept. of Psychology, Durham University, Science Site, South Road, Durham, Co. Durham. DH1 3LE. U.K. Phone +44 (0)191 334 3272 Fax +44 (0)191 334 3241