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The antidepressant properties of total sleep deprivation (TSD) have been well established. There is some evidence that TSD may improve depression by altering central dopamine (DA) function. We therefore studied five depressed TSD responders and five TSD nonresponders after sleep and after TSD and five controls after sleep with IBZM single photon emission(More)
Ten unmedicated and ten medicated patients with major depression and ten controls were investigated with IBZM-SPECT. The ten unmedicated patients were reinvestigated after treatment with tricyclic antidepressants. Dopamine D2 receptor occupancy was not different between patients and controls, or medicated and unmedicated patients. IBZM binding was increased(More)
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