1. A method for operating a magnetic resonance apparatus for functional imaging, comprising the steps of: obtaining a plurality of images of a subject in a sequence and alternatingly obtaining the plurality of images within said sequence with stimulation of said subject and without stimulation of said subject; and storing each image in said plurality of images together with information indicating whether that image was registered with or without stimulation of said subject and with at least one image-related stimulation value, and with at least one image-related evaluation correlation value.