Electrophysiological Evaluation of Voluntary Attention

Aim : To assess the ability of healthy subjects and patients with a severe motor disability to voluntary control their attention Material and Methods: Population: healthy subjects, patients with brain injury Electroencephalographic study to research attentional modulation during different kind of stimulation (visual, auditory, tactile) Sudy 1: passive recording. Study 2: active recording (instruction of attentional control given to the subject). Study 3: active recording with a feedback obtained after a processing of the brain activity.