sentences:  Often, pediatricians will be able to find the origin of the anxiety suffered by the child and create a plan of action in order to rectify the situation.According to the American Psychiatric Association, autism spectrum disorder (ASD) is defined as “a developmental disorder characterized by troubles with social interaction and communication, and by restricted and repetitive behavior”.There is a significant overlap between the behaviors that characterize ASD and those observed in stranger anxiety, which makes diagnoses and research more difficult.