Another proposed change to the Diagnostic and Statistical Manual of Mental Disorders is raising concerns, this time involving the new definition and relabeling of mental retardation. There are already ...

CLAREMORE -- A psychologist testifying for the defense said Friday that double-murderer Karl Lee Myers meets Oklahoma's legal definition of mental retardation. "I don't have any doubt that he is ...

The U.S. Social Security Administration (SSA) asked the National Research Council to assess its disability determination process for mental retardation. The Committee on Disability Determination for ...

YORKTOWN, Va. – Three years ago, in the case of a Virginia man named Daryl Atkins, the U.S. Supreme Court ruled that it was unconstitutional to execute the mentally retarded. But Atkins’ recent test ...