Chronic and severe paediatric feeding disorders can include being dependent on a gastrostomy tube or liquids, refusing food and only eating certain items. Feeding problems occur in wide-ranging populations, including children with typical development, medical complications, such as food allergies and reflux, 1 and developmental disabilities. 2,3 Many meet the criteria for avoidant/restrictive food intake disorder (ARFID), which includes failure to thrive, nutritional deficiencies, dependence on artificial feeding methods and, or, dietary supplements and marked impairment in psychosocial functioning. 4 When this occurs during critical neuro-developmental periods, numerous adverse effects on behaviour, cognition, emotion and health may occur and persist into adulthood. 3-7 Over the past 40 years, treatment for paediatric feeding disorders has been based on behaviour analysis principles and research