Cognitive function testing device and storage medium

A non-transitory computer-readable storage medium storing a cognitive function testing program for causing a processor of a cognitive function testing device to execute

• an output process of outputting a first word to be memorized to an examinee, and
• an answer reception process of receiving, by causing a display device to display an answer image for receiving an answer for question words including the first word and a second word different from the first word sequentially, the answer from the examinee, the answer being as to whether the question word has been output in the output process, wherein
• the answer reception process includes a process of changing a display mode of the answer image when the question word is switched.