Upper Left image shows rCBF distribution in a group (n=92) of
     Normal controls during rest.  Note the normal hyperfrontal flow
     pattern.

    Upper Right image shows rCBF distribution in a group (n=11) of
    patients suffering from Schizophrenia.

    Lower Left image A statistical analysis (Student) of the difference
    between the Normal subjects and the patients suffering from
    Schizophrenia.

    Image courtesy: Siegbert Warkentin, Ass.Prof., Director of
    CBF-laboratory, Neuropsychiatric clinic and Dept.of Clinical
    Physiology,University hospital MAS, Malmö, Sweden