In the SPM Graphics window, you can select:
TASKS > Tools > 3D to 4D
Note that the output NIfTI image (4D.nii in your current directory) will
be stored as int16, whatever the input.
All the best,
> Dear Dr. Flandin,
> Could you help me to know how I can concatenate 3D fmri to 4D using SPM
> 5 or another software?
> Thank you very much,
> Best regards,
Guillaume Flandin, PhD
Wellcome Trust Centre for Neuroimaging
University College London
12 Queen Square
London WC1N 3BG