Alzheimer's disease can spare local metacognition despite global anosognosia: Revisiting the confidence-accuracy relationship in episodic memory

► Compared Alzheimer's participants and matched controls on metacognitive measures. ► At a local level, confidence judgments tracked recollection accuracy in both groups. ► At a global level, Alzheimer's participants underestimated their cognitive decline. ► Aspects of local and global metacognitive measures correlated across individuals. ► These metacognitive measures may tap distinct yet overlapping mental processes.