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X-exome sequencing of 405 unresolved families identifies seven novel intellectual disability genes

Systematic sequencing of all X-chromosomal genes in patients with genetic evidence for X-chromosome locus involvement may resolve 58% of Fragile X-negative cases

Health of mothers of children with intellectual disability or autism spectrum disorder: a review of the literature

The deficits associated with intellectual disability (ID) and autism spectrum disorder (ASD)place a burden on their co-residing families which may impact...

Lack of replication for the myosin-18B association with mathematical ability in independent cohorts

Twin studies indicate that dyscalculia (or mathematical disability) is caused partly by a genetic component, which is yet to be understood at the molecular...

Onset of maternal psychiatric disorders after the birth of a child with autism spectrum disorder: A retrospective cohort study

Mothers of a child with autism spectrum disorder have more psychiatric disorders after the birth of their child.

Down Syndrome

Down syndrome, also known as Trisomy 21, is one of the most common chromosome abnormalities in humans. It occurs when a child's cells end up with 47 chromosomes instead of the usual 46. Down syndrome causes intellectual disability and other physical and learning challenges.

Polymorphisms associated with normal memory variation also affect memory impairment in schizophrenia

Neurocognitive dysfunction is a core feature of schizophrenia with particularly prominent deficits in verbal episodic memory.

Autism and intellectual disability are differentially related to sociodemographic background at birth

We used population data on Western Australian singletons born from 1984 to 1999 (n = 398,353) to examine the sociodemographic characteristics of children...

Variation over time in medical conditions and health service utilization of children with Down syndrome

Variation over time in medical conditions and health service utilization of children with Down syndrome.

Increased longevity and the comorbidities associated with intellectual and developmental disability

The contributors, all world experts in their fields, also discuss what we can learn from the presence of co-morbidities.