... in the angular and superior parietal gyri, in the orbital part of the prefrontal cortex, and in the hippocampal region. By contrast, the rate of GM losses appeared marginal in areas such as the lateral ... mechanisms of the human brain aging during the seventh and eighth decades of life. Indeed, a better understanding of the normal neuroanatomical aging could be of high interest fordissociating processes ... brain weight and an increase of the cerebrospinal fluid volume(CSF) (Dekaban, 1978). Then, studies using Magnetic ResonanceImaging (MRI) have confirmed and refined these findings byshowing...