Most adults never have to take an IQ test. But tests for assessing students’ cognitive abilities, such as the cognitive ability test (Cat), are used in schools around the world. These tests are very ...

Cognitive tests are gaining attention for their role in the early detection of Alzheimer's and other forms of dementia. Dementia is a growing concern as it kills more older Americans than breast and ...

This article was produced in partnership with the Davos Alzheimer’s Collaborative by Scientific American Custom Media, a division separate from the magazine’s board of editors. Any primary care ...