The present invention achieves improvement in accuracy of assessment of a cognitive function. This cognitive function testing method comprises a first test and a second test. The first test is for, while a first image (I1) is displayed in a display unit (121), causing a subject (102) to perform an utterance regarding the first image (I1). The second test is for, after an interval period has elapsed since the first test was performed, causing the subject (102) to perform an utterance regarding the first image (I1). In the cognitive function testing method, the subject (102) is assessed on the basis of the results of the first test and the second test.
COGNITIVE FUNCTION TESTING METHOD, PROGRAM, AND COGNITIVE FUNCTION TESTING SYSTEM