Descriptive Pilot Study of the Effects of a Standardized Neuromodulation Program on Cortical Brain Function in Chronic Low Back Pain Patients

Inclusion Criteria: * Patient with a wifi connexion at home * Patient with the ability to modulate the height of the candle by thinking in the alpha synchrony test. * Patient with chronic low back pain for more than six months with a visual analogue pain scale greater than 5 impacting activities of daily living, hobbies and work * Patient having given free and informed consent and signed consent. * Affected patient or beneficiary of a health insurance plan. * Patient who is at least 18 years old (≥) and younger than 75 years old (\<). Exclusion Criteria: * Pregnant or breastfeeding patient * Patient with a contraindication to performing a fMRI scan: ferromagnetic implant in the body, piercing, claustrophobia, unable to remain in the scanner stationary for 40 minutes * Patient already included in another study * Patient in a exclusion period determined by a previous study * The subject is under the protection of justice, guardianship or curatorship. * The subject refuses to sign the consent. * It is not possible to give the subject informed information.