Inclusion Criteria:  Healthy subjects aged 18 to 40 years Right-handed subjects Signed informed consent, Medical examination performed prior to participation in the research, Affiliation to or beneficiary of a social security plan  Exclusion Criteria:  Contraindications (CI) to the practice of MRI, EEG, TMS & tES Existence of a severe general condition: cardiac, respiratory, hematological, renal, hepatic, cancerous, Regular use of anxiolytics, sedatives, antidepressants, neuroleptics, Characterized psychiatric pathology, Ingestion of alcohol before the examination, Pregnant, parturient or breastfeeding women Person deprived of liberty by judicial or administrative decision, person under a legal protection measure (under guardianship or curators) Participation in other interventional research protocols in progress with an exclusion period or in the previous week Subject who would receive more than 4500 euros of compensation due to his participation in other research involving the human person in the 12 months preceding this study