Neuroimagistic advanced aids [computed tomography (CT), magnetic resonance imaging (MRI)] and neuro-fonctional cerebral exploration [computed electroencephalography and the mentioned potential map, positron emission tomography (PET), single photon emission computed tomography (SPECT), Regional Cerebral Blood Flow (RCBF), magneto-encephalography, etc.] offer to the physician a more direct vision about the human brain functioning, these ones contributing to a great extent at the understanding of striking psychiatric dysfunctions, on a alteration basis in biochemical, functional and microstructural context of the brain.