FMRI output for the night-sleep group indicated increased activation in the right primary motor cortex / M1 / Prefrontal Gyrus ( contra lateral to the hand they were block tapping with ), right anterior medial prefrontal lobe, right hippocampus ( long-term memory, spatial memory ), right ventral striatum ( olfactory tubercle, nucleus accumbens ), as well as regions of the cerebellum ( lobules V1, V11 ).