What behavioral characteristics are common in autism?
Behavioral characteristics range widely and may include: · persistent preoccupation with or attachment to unusual objects or topics of interest · preoccupation with parts of objects · repetitive motor movements, such as body rocking, spinning, hand flapping or finger flicking · inflexible adherence to routines or rituals · difficulties with transition · hyperactivity and/or impulsivity · aggression, self-injury, and/or tantrums