The present invention achieves improvement in accuracy of assessment of a cognitive function. This cognitive function testing method is for, after an interval period has elapsed since a first image (I1) was displayed in a display unit (121), causing a subject (102) to perform an utterance regarding the first image (I1). In this method, guide information (G1) for facilitating the utterance by the subject is presented on the basis of the result of recognition of the utterance.
COGNITIVE FUNCTION TESTING METHOD, PROGRAM, AND COGNITIVE FUNCTION TESTING SYSTEM