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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]
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 ...
People with autism experience auditory hypersensitivity which can lead to sensory overload. [23] Although people with autism do not have abnormalities in P50 sensory gating, they have anomalies in sensory gating related to the N100 test which indicates an irregularity in attention-related direction and top-down mental pathways. [23]
Autistic characteristics tend to become less obvious in adulthood, [22] but social and communication difficulties usually persist. [23] In 2015, Asperger syndrome was estimated to affect 37.2 million people globally, or about 0.5% of the population. [9] The exact percentage of people affected has still not been firmly established. [19]
Differences in auditory latency (the time between the input is received and when reaction is observed in the brain), hypersensitivity to vibration in the Pacinian corpuscles receptor pathways, and other alterations in unimodal and multisensory processing have been detected in autism populations. [26] People with sensory processing deficits ...
Engaging in special interests can bring autistic people great joy [25] [26] and many autistic people spend large amounts of time engaged in their special interest. [27] In adults, engaging with special interests has been shown to have positive outcomes for mental health, [28] self-esteem, [29] and can be used to manage stress.
Catatonia is a complex syndrome, most commonly seen in people with underlying mood disorders, such as major depressive disorder, or psychotic disorders, such as schizophrenia. [2] [3] People with catatonia have abnormal movement and behaviors, which vary from person to person and fluctuate in intensity within a single episode. [4]
The theory of the double empathy problem is a psychological and sociological theory first coined in 2012 by Damian Milton, an autistic autism researcher. [2] This theory proposes that many of the difficulties autistic individuals face when socializing with non-autistic individuals are due, in part, to a lack of mutual understanding between the two groups, meaning that most autistic people ...