Reliable and Highly Valid Cognitive Assessment

Cognistat is utilized worldwide by health professionals who depend on a quick, reliable, and widely accepted method for cognitive testing.

This testing instrument is used globally by psychologists, physicians, nurses, and other health-related professionals for whom Cognistat provides information essential to their evaluation and care.

Developed by Ralph J. Kiernan, PhD; Jonathan Mueller, MD; and J. William Langston, MD, Cognistat has been found to provide highly valid cognitive assessment in a broad range of medical and psychiatric conditions.

Cognistat is available in two convenient formats:

Original paper test
NEW web-based assessment system

Original paper test
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NEW web-based assessment system
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Did you Know?

Cognistat Cognitive Assessment In a recent survey, Rabin, Barr and Burton found that Cognistat was among the 20 most widely used test instruments employed by neuropsychologists in the United States and Canada.

Radio Interview

Jonathan Mueller, MD on the "Coping with Caregiving" radio show

Listen to Dr. Mueller on the "Coping with Caregiving" radio show discussing Cognistat, a cognitive assessment instrument with host, Jacqueline Marcell, author of Elder Rage. You can listen to the archive via Windows Media Player or Real Player (free downloads at this link).

From the Doctors

Ralph J. Kiernan, Ph.D. The Concept of Disability

By Ralph J. Kiernan, Ph.D. Neuropsychologists are constantly faced with a complex clinical task that requires them to draw upon a broad empirical data base in relating test scores to brain dysfunction. Read More »

Upcoming Events

Cognistat at the 64th American Academy of Neurology Conference

Cognistat is exhibiting at the 64th AAN Conference on April 21-28, 2012 in New Orleans, Louisiana. Please visit us at booth 1046 for a live demonstration of “The Cognistat Assessment System.”