Inclusion Criteria:  Male or female aged between 50 and 70 years old, suffering from type 2 diabetes.  Normal or corrected sight and audition. Being able to engage in physical activity. Being able to give enlightened consent. Being affiliate to social welfare  Exclusion Criteria:  Being unable to meet the study conditions or to answer in French to surveys. Any condition considered, by the investigator, as incompatible with the participation in the study.  Major incapacities. Refusal of participation.