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Young autistic boy stimming with cold water in the kitchen sink. Stimming behavior is almost always present in autistic people, but does not, on its own, necessarily indicate the diagnosis. [9] [23] The biggest difference between autistic and non-autistic stimming is the type of stim and the quantity of stimming. [23]
Stimming has many forms, some quite adaptive and others maladaptive (for example, excessive hand-wringing can injure joints, and excessive rubbing or scratching of skin can injure it). Another form of self-treatment that arises not uncommonly is self-medication, which unfortunately can lead to substance use disorders such as alcohol use disorder.
More specifically, prevalence estimates of catatonia among people with neurodevelopmental disorders (of which autism is one) have ranged from 6-20.2%, with the mean estimate falling at 9%; [1] similarly, in a recent meta-analysis of 12 studies of autistic catatonia, Vaquerizo-Serrano et al. suggest that catatonia is found in 10.4% of autistic ...
Certain stimming behaviors and stress responses in individuals with autism spectrum disorders can present similarly to catatonia. In autism spectrum disorders, chronic catatonia is distinguished by a lasting deterioration of adaptive skills from the background of pre-existing autistic symptomatology that cannot be easily explained.
Stereotypic movement disorder (SMD) is a motor disorder with onset in childhood involving restrictive and/or repetitive, nonfunctional motor behavior (e.g., hand waving or head banging), that markedly interferes with normal activities or results in bodily injury. [1]
Research in this area is certainly needed. Marjorie H. Charlop performed a series of task experiments with autistic children. The results suggest that perhaps in certain tasks (i.e., receptive labeling), echolalia should not be eliminated, but taken advantage of as it may facilitate acquisition and generalization for autistic children. [14]
Sensory processing disorder is present in many people with dyspraxia, autism spectrum disorder, and attention deficit hyperactivity disorder (ADHD). Individuals with SPD may inadequately process visual , auditory , olfactory (smell), gustatory (taste), tactile (touch), vestibular (balance), proprioception (body awareness), and interoception ...
Autistic meltdown describes an intense, often uncontrollable response to an overwhelming situation experienced by some autistic individuals.. Angry outbursts in autistic people have been referred to as meltdowns that manifest as an intense reaction, [1] but such outbursts are different to true meltdowns, which always take some time to recover from. [2]