Autistic spectrum disorder is characterized by motor tics, such as repetitive spasmodic movements of the head and arms, and vocal tics, such as grunting and snorting, and sometimes uncontrollable utterances of profane and obscene words.

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Quizplus · Accepted Answer

Motor and vocal tics are typically associated with Tourette syndrome, rather than autistic spectrum disorder. Autistic spectrum disorder is characterized by challenges with social communication and interaction, as well as restricted or repetitive patterns of behavior, interests, or activities.

Autistic Spectrum Disorder Is Characterized by Motor Tics, Such as Repetitive