MAPT and Alzheimer disease: However, recent findings reveal that the cerebellum in AD exhibits comparable pathologies to the cortex and hippocampus, such as Aβ deposition,126, 127, 128, 129 p‐Tau,130 neuron loss,131, 132, 133 synaptic and dendritic abnormalities,134, 135, 136 and augmented neuroinflammation (Figure 2).137, 138