The exact neuronal mechanism underlying the cognitive decline associated with diabetes mellitus type 2 (DM2) still remains to be elucidated. Multi-parametric functional MRI can potentially provide functional, micro-structural, micro-vascular, and metabolic information on the affected brain at an earlier stage than does conventional structural MRI. The overall aim of the current proposal is to obtain a better understanding in the neuronal mechanisms that underlie cognitive decline in DM2 and the putative prediabetic condition the metabolic syndrome (MetS).