Abstract
The authors describe a feeding intervention for a 9-year-old male diagnosed with autistic disorder and mild mental retardation (also known as intellectual disability) who experienced food refusal related to food selectivity. Based on the results of a functional behavioral assessment, food refusal was found to be maintained by escape and tangible functions. Therefore, an intervention using escape extinction (i.e., nonremoval of nonpreferred foods with physical guidance as a secondary procedure), positive reinforcement (i.e., preferred foods and toys), and sequential food presentation was implemented. The child was successful in eating many novel foods both within the clinic and home environments. A 1-year follow-up found the effects of treatment to be maintained with significant increases in number of foods eaten and significant decreases in mealtime-related behavioral challenges. The treatment implications, recommendations to clinicians, and areas of future research are discussed.
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