"The first of the core features of ASD concerns reciprocal social interaction. It is not enough to be a loner, to behave embarrassingly, or to be clumsy in social situations. The difficulty reveals itself most acutely in peer interactions. At young ages, this means other children—not adults. Adults o"
"Another way to look at repetitive behaviour is to think of it as extreme stubbornness. In fact there is a strong resistance to change and an aversion to novelty. Doing the same thing, exactly the same thing, watching the same video, eating the same food, day after day, is the kind of excessive patte"
"It is often less noticeable in autistic adults, where the behavioural repertoire has widened through learning and experience."