Self-Injurious Behavior

Self-injurious behavior (SIB) is also seen more frequently in those with Tourette syndrome. Approximately 34-53% of individuals with Tourette syndrome exhibit some form of self-injuring behavior.

Aggressive or self-injurious behavior
Noticeable extreme underactivity or overactivity
Uneven gross and/or fine motor skills (well developed in some areas, poorly developed in others)
Difficulty expressing needs and wants, verbally and/or nonverbally ...

Medications are often used to treat behavioral problems, such as aggression, self-injurious behavior, and severe tantrums, that keep the person with ASD from functioning more effectively at home or school.

Given your definition of self-injurious behavior, do you see any difference between self-injury and the term "self-mutilation" that is often used with populations that do not necessarily have developmental disabilities?

Preoccupation with physically harming oneself
Inability to resist self-injurious behavior resulting in tissue damage
Increased tension before and a sense of relief after self-injury
Having no suicidal intent in the self-mutilation ...

Other signs and symptoms of autism include lacking imaginative play, sustained odd play, ritualistic behaviors, and narrow, restricted interests such as numbers or movie credits. Having aggressive or self-injurious behavior, ...

Examples of self-mutilating behaviors include cutting any part of the body, usually of the wrists. Self-tattooing is also considered self-mutilation. Other self-injurious behaviors include self-burning, head banging, pinching, and scratching.

Repetitive behaviors, including repetitive self-injurious behavior
Repetitive finger flapping, twisting, or whole body movements ...

Less frequently, affected individuals may have increased aggression, hallucinations, obsessive-compulsive disorder (OCD), and self-injurious behavior, including biting and head banging.

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self-injurious behaviors
threats to self or others
thoughts of death
thoughts and/or talk of suicide
running away or threatening to run away
destructive behaviors (i.e., vandalism, criminal activity)
sexually "acting out" ...

See also: Symptom, Anxiety, Relationships, Depression, Hyperactivity