MAPT and Alzheimer disease: The average tau SUVR of all participants was 3.9 in the amygdala, 5.2 in the entorhinal cortex, 4.0 in the fusiform area, 13.3 in the temporal cortex, and 3.8 in the para-hippocampal cortex, indicating that there were differences in tau deposition according to the AD stage.