Repetitive motor behaviors such as hand flapping and rocking occur in more than one third of toddlers who do not meet ...

One readily noticeable pathognomonic trait of autism is hand-flapping—a stereotyped motor movement that can look a bit like an attempt to accelerating the drying of nail polish. Not all with autism do ...

Nicola Lathey, founder of The Owl Centre, suggests some of these traits can make everyday situations "more stressful and ...