Dear Sander, If you load SPM_fMRIDesMtx.mat into matlab, you will find that Sess{m}.ons{n} will give you the timings of each event for the nth trial type for session/subject m. Presumably you will be able to calculate event onset scans from these event onset times. Best wishes, Narender At 09:21 23/10/2001 +0200, you wrote: >Dear SPMers, > >A data file containing scan onsets and behavioral measures of one of our >subjects has been lost. However, we still got the SPM design matrix and >results of this subject. Does anyone know how to extract scan onsets back >from the design matrix? > >Thanks, > >Sander > >S.M. Daselaar >EMGO department >VU Medical Centre >vd Boechorstraat 7 >1081 BT Amsterdam >The Netherlands >Tel: +31 (0)20 4444280 >Fax: +31 (0)20 4446775 >e-mail: [log in to unmask] ******************************************************************** Dr Narender Ramnani Sensorimotor Control Group Department of Physiology University of Oxford Parks Road Oxford OX1 3TP UK Oxford University Centre for Functional Magnetic Resonance Imaging of the Brain, John Radcliffe Hospital, Headington, Oxford OX3 9DU UK Tel. 01865 222704 (Direct) 01865 222729 (Admin) mob. 0771 2632785 Fax. 01865 222717 email [log in to unmask] *******************************************************************