the relation between cerebral blood flow and function of cognition and memory in unilateral ECT for major depression

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Twelve depressive patients who had agreed with this study received unilateral electroconvulsive therapy (ECT). We found the lower seizure thresholds at first session and the equivalent clinical rating scores that the depressive symptoms improved and the cognitive functions did not change. The less total cerebral blood flows were measured at three months after ECT than before and one week after ECT on single photon emission computed tomography (SPECT). The regional cerebral blood flows did not change significantly. We could not clarify the relation between clinical symptoms and cerebral blood flows.