Chan, D., Gallaher, L. M., Moodley, K., Minati, L., Burgess, N., Hartley, T. The 4 Mountains Test: A Short Test of Spatial Memory with High Sensitivity for the Diagnosis of Pre-dementia Alzheimer's Disease. J. Vis. Exp. (116), e54454, doi:10.3791/54454 (2016).