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Just to add something to my previous response... You can see which is the first slice in an image via the Display button. You can identify the first slice by clicking on the corners of the volume and looking at the the voxel coordinates. The third value is the slice number of that point. Best regards, -John On 23 January 2012 16:09, Harold Mouras <[log in to unmask]> wrote: > Dear SPM list, > I am beginning to work on data acquired in a new experiment. When looking at > DICOM data under osiriX for example, data appeared to have been acquired > sequentially from the bottom of the brain. A very first question would be > how to be sure of this parameter when looking at the DICOM header ? > Moreover, I wondered if the conversion to nifti could have an influence on > this in order to plan the slice timing parameters I'll apply in my > preprocessing steps. Once the conversion is done, is there any information > regarding this parameter in the nifti file header ? > Thank you so much in advance, > Best regards, > Harold > > > -- > Harold Mouras > Maître de Conférences en Neuroscience > Editeur "Socioaffective Neuroscience & Psychology" > > ------------------------------------------------------------------------- > Laboratoire de Neurosciences Fonctionnelles et Pathologies > Faculté de médecine > 3, rue des Louvels > 80036 Amiens, France > Téléphone: +33 9 50 48 30 10 > [log in to unmask] > In french: Website personnal page / Lab page (Amiens) / Lab page (Lille) > In english: Website personnal page / Lab page (Amiens) / Lab page (Lille) > ------------------------------------------------------------------------- >