Intellectual disability is a disorder marked by below-average intellectual function and a lack of skills necessary for independent daily living. The condition begins in the developmental period. The ...

Disability advocates are speaking out as the U.S. Supreme Court prepares to take on a case that hinges on whether a diagnosis of intellectual disability should be based on more than an IQ score. The ...

The U.S. Supreme Court is set to hear arguments in a case that advocates say could have major implications for how intellectual disability is defined. The high court will consider Hamm v. Smith on ...