Inclusion Criteria:  men or women aged 1 participants eligible for bariatric surgery (BMI>40, or BMI>35 with severe comorbidities) participants scheduled for medical evaluation and treatment of obesity at the IUCPQ Obesity Clinic (BMI≥30) participants scheduled for evaluation and treatment of BED at the CEPIA with obesity (BMI≥30) for the group with BED: positive BEDS-7 screen and Binge Eating Scale score >16; for the control group: have a negative BEDS-7 screen and Binge Eating Scale score<12 be fluent in French and able to consent.  Exclusion criteria :  participants with severe neurological disorder and/or major neurocognitive deficits; participants with previous bariatric surgery or with introduction or change of anti-obesity medication (liraglutide or naltrexone/bupropion) in the previous 3 months; participants who cannot read and/or understand French; participants under guardianship or curatorship; participants already included in a study with a conflict of interest with this study; inability to use a computer or iPad; inability to access an Internet connection or to visit one of the inclusion sites.  Secondary exclusion criteria:  participants with a discordance between BEDS-7 (positive) and Binge Eating Scale (score ≤ 16) results found secondarily participants who did not participate in part of the assessments (e.g., self-questionnaires or neurocognitive tests) and participants with a rate of missing data>10%.