Posterior cortical atrophy (PCA) and dementia with Lewy bodies (DLB) show distinct atrophy and overlapping hypometabolism profiles, but it is unknown how disruptions in structural and functional connectivity compare between these disorders and whether breakdowns in connectivity relate to either atrophy or hypometabolism.

中文翻译：

---

后皮质萎缩和路易体痴呆的结构和功能连接发生改变

后皮质萎缩（PCA）和路易体痴呆（DLB）表现出明显的萎缩和重叠的代谢低下特征，但尚不清楚这些疾病之间的结构和功能连接破坏如何比较，以及连接破坏是否与萎缩或代谢低下有关。