Methods: Position emission tomography (PET) with [~(18)F]fluorodeoxyglucose was performed on 14 first-episode patients with major depressive disorders and 11 healthy volunteers.

• 方法 对14例首发抑郁症患者与 11例健康对照者进行正电子发射断层扫描 (positionemissiontomography ,PET)。