The present invention achieves improvement in accuracy of assessment of a cognitive function. This cognitive function testing method 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). In the cognitive function testing method, a partially blanked sentence (S1) in which a blank space is provided to a part of a sentence regarding the first image (I1) is displayed in the display unit (121), along with the first image (I1).
COGNITIVE FUNCTION TESTING METHOD, PROGRAM, AND COGNITIVE FUNCTION TESTING SYSTEM