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The same association occurs in childhood onset schizophrenia, which is considered a more homogenous form of the disorder that hews closest to the hypothetical neurodevelopmental disorder underlying schizophrenia-spectrum conditions; approximately one-quarter of children with schizophrenia fit the criteria for an autism spectrum disorder prior ...
Clinically significant symptoms of these two conditions commonly co-occur, and children with both sets of symptoms may respond poorly to standard ADHD treatments. Individuals with autism spectrum disorder may benefit from additional types of medications. [13] [14] The term AuDHD is sometimes used for those with both autism and ADHD.
Autism spectrum disorder is a disorder of the many parts of the brain. Structural changes are observed in the cortex, which controls higher functions, sensation, muscle movements, and memory. Structural defects are seen in the cerebellum too, which affect the motor and communication skills. [ 14 ]
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 ...
However, it is not all good news: High doses of ADHD medication have also been linked to a heightened risk of psychosis, prompting doctors to exercise extra caution in treating their patients.
However, in rare cases, ADHD can be caused by a single event including traumatic brain injury, [42] [47] [48] [49] exposure to biohazards during pregnancy, [8] or a major genetic mutation. [50] As it is a neurodevelopmental disorder, there is no biologically distinct adult-onset ADHD except for when ADHD occurs after traumatic brain injury. [8 ...
Amphetamines increase levels of dopamine in the brain. The neurotransmitter plays a number of roles in the body, including in memory, motivation and mood, but it’s also implicated in psychosis ...
Another study in 2009 by Simon Fraser University researchers identifies a link between autism and schizophrenia: "The SFU group found that variations in four sets of genes are related to both autism and schizophrenia. People normally have two copies of each gene, but in those people with autism some genome locations have only single copies, and ...