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A request that this article title be changed to ADHD is under discussion. Please do not move this article until the discussion is closed. Medical condition Attention deficit hyperactivity disorder Other names Formerly: Attention deficit disorder (ADD), hyperkinetic disorder (HD) ADHD arises from maldevelopment in brain regions such as the prefrontal cortex, basal ganglia and anterior cingulate ...
Patients with DDX3X syndrome may develop developmental delay or intellectual disability, autism, ADHD, and low muscle tone. The syndrome develops due to mutations of the DDX3X gene located on the X chromosome, and the clinical picture varies depending on the specific mutation.
Hyperactivity is common, and seizures occur in about 10%. [1] Males are usually more affected than females. [1] This disorder and finding of fragile X syndrome has an X-linked dominant inheritance. [5] It is typically caused by an expansion of the CGG triplet repeat within the FMR1 (fragile X messenger ribonucleoprotein 1) gene on the X ...
Certain genes influence the volume of key brain regions, which, in turn, could play a role in the development of Parkinson's disease and ADHD, a new study suggests. ... Parkinson’s, ADHD tied to ...
ADHD has a high heritability of 74%, meaning that 74% of the presence of ADHD in the population is due to genetic factors. There are multiple gene variants which each slightly increase the likelihood of a person having ADHD; it is polygenic and thus arises through the accumulation of many genetic risks each having a very small effect.
10q26 deletion is an extremely rare genetic syndrome caused by terminal deletion of the long arm of chromosome 10 at 10q26. [1] It is usually a de novo mutation.Symptoms can include "growth and mental retardation, microcephaly, triangular face, strabismus, hypertelorism, prominent nasal bridge, beaked or prominent nose, low-set dysplastic ears, various congenital heart defects, cryptorchidism ...
Half of affected individuals have at least one psychiatric or behavioral diagnosis. Approximately 30% of individuals are diagnosed with attention deficit hyperactivity disorder. Approximately 20-25% of individuals are diagnosed with autism spectrum disorder (ASD), and nearly all share some behavioral traits with ASD. [1] [4]
Symptoms of ADHD include inattentiveness, impulsiveness, and hyperactivity. Many of the behaviors that are associated with ADHD include poor control over actions resulting in disruptive behavior and academic problems. Another area that is affected by these disorders is the social arena for the person with the disorder.
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