A novel magnetic resonance imaging method is described for forming a sequence of images from a plurality of signals acquired by at least one receiver antenna. Each receiver antenna has a spatial sensitivity profile. An activity map is calculated as a standard deviation over a series of images acquired by a reference scan. Thereupon, the object is sampled in an actual scan in an interleaved manner in k-space with a reduction factor. The resulting data is Fourier transformed to the spatial domain to form a sequence of folded preliminary images, and the fold-over artefacts or the ambiguity in the preliminary images resulting from the undersampled data in k-space is resolved in forming the actual images on the basis of the activity map.