Hed-O-Shift: Hedonic and Neurocognitive Processes in Relation to Dietary Habits and Weight Status

blood sample , morpho-anatomic measures (height, weight, hip and size), impedancemetry and resting energy expenditure by indirect calorimetry, sample of urine and faeces previously collected at home

The two on-line questionnaires (hedonic and caloric evaluation of foods and beverages on photos) will have to be completed by the volunteers between the first and the second visit to the University-Hospital.

a cognitive two-choice test based on food and drink pictures, during fMRI. Before and after the fMRI session, an assessment of the state of hunger, thirst, and general status of the volunteer will be carried out using a numerical scale ranging from 1 to 10.