Abstract Purpose Down Syndrome Regressive Disorder (DSRD) is a neuropsychiatric
condition associated with severe symptomology and a negative impact on quality of life …

Objective: The main aim of this case series report is to alert physicians to the occurrence of
catatonia in Down syndrome (DS). A second aim is to stimulate the study of regression in DS …

Objective The goal is to expand our knowledge of catatonia occurring in adolescents and
young adults with Down syndrome (DS) by describing the first prospective, consecutive, well …

Children and adults with Down syndrome may experience unexplained
neurodevelopmental regression leading to considerable diagnostic uncertainty as well as …

Catatonia is a relatively common condition with an estimated prevalence of 0.6% to 17%
among youth with psychiatric disorders. Certain patient groups, such as those with autism …

Background. Catatonia is increasingly recognized as a comorbid psychiatric condition in
autism spectrum disorder (ASD), but the overlap of behavioral characteristics between these …

Down syndrome disintegrative disorder (DSDD), a developmental regression in children
with Down syndrome (DS), is a clinical entity that is characterized by a loss of previously …

Objective: Catatonia is a distinct and severe medical syndrome comprising motor, somatic,
and psychiatric symptoms that is reported in upwards of 17% of young patients with autism …

BackgroundCatatonia is a neuropsychiatric disorder characterised by psychomotor changes
that can affect individuals across the lifespan. Although features of catatonia have been …

Although recent studies have shown that catatonia can occur in patients with autism
spectrum disorders (ASDs), the overlap of the behavioral features between these disorders …