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Autism is associated with several genetic disorders, [4] perhaps due to an overlap in genetic causes. [5] About 10–15% of autism cases have an identifiable Mendelian (single-gene) condition, chromosome abnormality, or other genetic syndrome, [6] a category referred to as syndromic autism.
Furthermore, the presence of autism can make it harder to diagnose coexisting psychiatric disorders such as depression. [9] Diagnosing will be much harder in adults, since most people with ASD who reach adulthood undiagnosed, learn diverse (and often intense) masking techniques which make external diagnosis almost impossible.
A 2018 review suggests that the frequent association of gastrointestinal disorders and autism is due to abnormalities of the gut–brain axis. [108] The "leaky gut syndrome" hypothesis developed by Andrew Wakefield, known for his fraudulent study on another cause of autism, is popular among parents of children with autism.
Story at a glance People on the autism spectrum may also have varying co-occurring disorders and psychiatric conditions. An analysis of more than 4,600 autistic adults finds differences in the ...
Autism spectrum disorder [a] (ASD), or simply autism, is a neurodevelopmental disorder "characterized by persistent deficits in social communication and social interaction across multiple contexts" and "restricted, repetitive patterns of behavior, interests, or activities". [11]
The disruptions, either from mutations or deletions, are associated with disorders such as Phelan-McDermid syndrome (PMS), schizophrenia, and ASD. SHANK 3 is the most studied gene from the SHANK gene family. Several studies have found that disruptions to SHANK 3 cause more severe cognitive impairments than disruptions to SHANK 1 or 2.
Autism Spectrum Disorder is a developmental disability that stems from differences in the brain. According to the Centers for Disease Control and Prevention (CDC) , known causes are often genetic ...
Autism, also called autism spectrum disorder (ASD) or autism spectrum condition (ASC), is a neurodevelopmental disorder characterized by symptoms of deficient reciprocal social communication and the presence of restricted, repetitive, and inflexible patterns of behavior. While its severity and specific manifestations vary widely across the ...