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Sensory cravings, [13] including, for example, fidgeting, impulsiveness, and/or seeking or making loud, disturbing noises; and sensorimotor-based problems, including slow and uncoordinated movements or poor handwriting. Sensory discrimination problems, which might manifest themselves in behaviors such as things constantly dropped. [citation needed]
Vestibular hyposensitivity symptoms include: Hyperactivity. Rocking back and forth or walking in circles while body rocking. Can spin or swing for a long time without feeling dizzy or nauseated. Trouble with balance. Proprioceptive hyposensitivity symptoms include: Unaware of body sensations. For example, not noticing hunger. Limited spatial ...
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]
Theories about the cause of self-injurious behavior in children with developmental delay, including autistic children, include: [90] Frequency or continuation of self-injurious behavior can be influenced by environmental factors (e.g., reward in return for halting self-injurious behavior). This theory does not apply to younger children with autism.
Cerebellar ataxia with neuropathy and vestibular areflexia syndrome (CANVAS) is an autosomal recessive late-onset heredodegenerative multisystem neurological disease. The symptoms include poor balance and difficulty walking. Chronic cough and difficulty swallowing may also be present.
These can include developmental delay, early childhood nystagmus, increased muscle tone, white matter anomalies or hypomyelination in the brain, autistic-like behaviour and the underdevelopment or complete absence of many inner-ear structures such as the vestibular system or cochlea.
Sleep problems in autism have been linked in a study to brain changes, particularly in the hippocampus, though this study does not prove causation. [67] A common presentation of sleep apnea in children with autism is insomnia. [68] All known genetic syndromes which are linked to autism have a high prevalence of sleep apnea.
[294] [295] Several interventions can help children with autism, [296] and no single treatment is best, with treatment typically tailored to the child's needs. [297] Studies of interventions have methodological problems that prevent definitive conclusions about efficacy, [298] but the development of evidence-based interventions has advanced. [299]