Neural Bases of Motivation

Exclusion Criteria

• •Persons deprived of liberty by judicial or administrative decisions.
• •Pregnant women, women in labor or breastfeeding women
• •Persons admitted to a health or social institution for purposes other than research.
• •Adults under legal protection measures (e.g., guardianship or curatorship).
• •Participation in other interventional research with an ongoing non-inclusion period.
• •Neurological or psychiatric disorders.
• •Use of tricyclic antidepressants (amitriptyline, clomipramine, imipramine, nortriptyline), neuroleptics (chlorpromazine, haloperidol, risperidone, olanzapine, quetiapine), or recreational drugs within the past 48 hours.
• •Regular use of recreational drugs.
• •Sleep deprivation (\< 5 hours regularly over the last 3 months)
• •Left-handedness or ambidexterity.
• •Physical injuries impacting motor tasks.
• •Presence of metal implants in the head (excluding oral fillings).
• •Presence of implanted medical devices (e.g., pacemaker).
• •Presence of metallic injuries in the eyes.
• •Claustrophobia.
• •Piercings incompatible with MRI procedures.
• •Contraindication to MRI
• •Persons who refused to be informed of eventual medical anomalies discovered by the MRI
• •Personal or family history (first-degree relatives) of epilepsy or seizures. Severe and/or frequent headaches (only for participants receiving transcranial magnetic stimulation, e.g preparatory experience 1 and experience 1)
• •Baldness impeding electrode placement (only for participants receiving transcranial electrical stimulation and EEG measurements, e.g experiments 2, 3 and 4)
• •Facial or ear pain and/or recent ear trauma (only for participants receiving transcutaneous vagal nerve stimulation, e.g experiment 5)