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The autism spectrum may comprise a small set of disorders that converge on a few common molecular pathways, or it may be a large set of disorders with diverse mechanisms. [16] Autism appears to result from developmental factors that affect many or all functional brain systems. [17]
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] Sensory abnormalities are also included in the diagnostic manuals ...
Twin studies provide a unique opportunity to explore the genetic and environmental influences on autism spectrum disorder (ASD). By studying identical twins, who share identical DNA, and fraternal twins, who share about half of their DNA, researchers can estimate the heritability of autism by comparing the rates of when one twin is diagnosed with autism while the other is not in identical vs ...
Epigenetic alterations of the methylation states of genes such as MECP2 and EGR2 have been shown to play a role in autism and autism spectrum disorders. MECP2 abnormalities have been shown to lead to a wide range of phenotypic variability and molecular complexities. [60]
Autism, also called autism spectrum disorder (ASD) or autism spectrum condition (ASC), is a neurodevelopmental disorder characterized by symptoms of deficits in social understanding and communication, which are not innate, distinguishing them from typical neurodevelopmental processes in neurotypical individuals, and the presence of restricted ...
An imbalance in glutathione-dependent redox metabolism has been shown to be associated with autism spectrum disorder (ASD). [citation needed] Glutathione synthesis and intracellular redox balance are related to folate metabolism and methylation, metabolic pathways that have also been shown to be abnormal in ASD.
The relationship between autism and memory, specifically memory functions in relation to autism spectrum disorder (ASD), is an ongoing topic of research. ASD is a neurodevelopmental disorder characterised by social communication and interaction impairments, along with restricted and repetitive patterns of behavior.
Autism spectrum disorder (ASD) is a neuro developmental disorder, most commonly diagnosed in childhood, and is characterized by deficits in social and communication skills. [65] Symptoms include social impairments, hyper-fixations, repetitive behaviors and hypersensitivity.