Down syndrome, due to an extra chromosome 21, occurs in 250,000 children and adults in the United States, making it the country's most common chromosomal disorder. Inherited heart defects, thyroid ...

Selective mutism is a rare childhood anxiety disorder in which a child experiences a trigger response and is unable to speak in certain situations or to certain people. It is not a form of shyness, ...

Stupor and excitement are outstanding catatonic symptoms. A patient in stupor is unresponsive and, although fully conscious, is immobile and mute. The stupor may suddenly change to excitement and ...

Jonathan Rogers receives funding from the Wellcome Trust and has previously been funded by the National Institute for Health Research. Occasionally, as a doctor, I am asked to see a patient in the ...

Despite all the criticism of DSM-5, the new classification of psychiatric diseases has one triumph to report: bringing back the diagnosis of catatonia as an almost independent disease entity. The new ...

Down syndrome, due to an extra chromosome 21, occurs in 250,000 children and adults in the United States, making it the country's most common chromosomal disorder. Inherited heart defects, thyroid ...

There is marked heterogeneity among patients with mutism, which raises the possibility of such varied conditions as advanced Alzheimer's disease, Pick's disease, and Creutzfeldt-Jakob Disease. It may ...

COLUMBIA, Mo. - Down syndrome, due to an extra chromosome 21, occurs in 250,000 children and adults in the United States, making it the country's most common chromosomal disorder. Inherited heart ...