Targeted Nutritional and Behavioral Feeding Intervention for a Child with Autism Spectrum Disorder
Table 1
Operational definitions of child behaviors.
Behavior
Definition
Bite acceptance
Opening mouth 1.3 cm or wider within 5 s of the bite presentation and allowing food placement in mouth Placing food in mouth within 5 s of bite presentation
Bite consumption
Swallows bite and mouth is clean of food
Expulsion
Appearance of food past the outer edge of lips following an acceptance
Gag
Open mouth accompanied with guttural sound; regurgitative spasm in the throat
Vomit
To eject part or all of stomach contents through the mouth
Aggression
Any physical contact from child to therapist, supervisor, or parent
Disruption
Includes physical refusal, verbal refusal, and vocal refusal
Physical refusal
Turning head when bite is presented or pushing away plate, fork, spoon, or cup
Verbal refusal
Child verbally states that he does not want the food
Vocal refusal
Screaming or making vocal sound contingent on bite presentation