The study concerns patients who have been treated for breast cancer, have cognitive problems and are planning to return to work or are currently working and wish to begin cognitive rehabilitation.

Patients will follow the Virtual Reality program developed for the study, during the cognitive rehabilitation usually proposed in the establishment, at the rate of a weekly session of 10-15 minute for 6 weeks.

Inclusion Criteria:

• Patients >18 years of age
• Patient with breast cancer for whom adjuvant chemotherapy has been administered; maintenance treatments (e.g. Trastuzumab, hormone therapy) are eligible,
• Maximum 2 years after completion of adjuvant treatment,
• Patients who have cognitive complaints at inclusion (answer yes to the question: 'Since your cancer treatment, have you had any difficulties with memory, concentration, etc.?)
• Patients planning to return to work or who have returned to work in the past year,
• Signature of informed consent prior to any specific procedure relating to the study,
• Patient affiliated to a social security system.

Exclusion Criteria:

• Patients suffering from illnesses or conditions that impair their ability to understand, follow and/or comply with study procedures,
• Patients with personality disorders and/or psychiatric pathology,
• Patients deprived of their liberty or placed under the authority of a guardian,
• Pregnant women