One Card Learning Test

Cognitive Domain: Visual Learning

Administration Time: 6 Minutes (for healthy participants)

Outcome Measures: Accuracy of performance (arcsine transformation of the square root of the proportion of correct responses).

“Have you seen this card before?”

Test Description

The One Card Learning test measures visual memory using a pattern separation paradigm. The on-screen instructions ask: “Have you seen this card before in this test?”. A playing card is presented face up in the center of the screen and the participant must decide whether they have seen the card before in this test. The participant is encouraged to work as quickly as they can and be as accurate as possible.