Inclusion Criteria:  For patients: Children aged between 9 months and 6 years with eating difficulties defined by the Montreal HME score> = 61.  For controls: children aged between 9 months and 6 years attending a crèche who agreed to participate in the study.  Not opposing participation in the study.  Exclusion Criteria:  Exclusion of controls who have:  an eating disorder defined by an MCH score> = 61 (score defined for the inclusion criteria) encephalopathy, neuro-metabolic disorder, genetic syndrome (after response to the questionnaire)  For patients and controls:  Encephalopathies Neuro-metabolic disorders Suspected or identified genetic syndromes