Results SPM results showed that cerebral metabolic rates of glucose decreased in bilateral parietal lobe, temporal lobe, frontal lobe and post cingule in AD patients compared with control subjects were obviously decreased, and showed right/ left hemispheric asymmetry. 结果SPM图像显示,AD组患者两侧大脑皮层顶叶、颞叶、额叶及后扣带回等部位葡萄糖代谢明显降低,左、右不对称;