The objective of this study is to evaluate the impact of a pre-surgical intervention program based on Cognitive and Behavioural Emotional Therapies, on the degree of dietary restriction of patients who are candidates for bariatric surgery in order to increase the long-term effectiveness of this kind of surgery

Inclusion Criteria:

• Patient starting a preparation for bariatric surgery in the endocrinology department at St Philibert Hospital
• 18 ≤Age≤60 years
• Patient meeting the criteria of the High Authority of Health (HAS) for the agreement of a bariatric treatment
• Patient affiliated to the social security
• Patient giving informed consent

Exclusion Criteria:

• Low level of comprehension of French
• Pregnant women
• Patient under guardianship or curatorship.