A cognitive function evaluation device (100) includes: an acquisition unit (110) that acquires use information that indicates a subject's toilet use status; a calculation unit (120) that calculates the number of toilet visits the subject has made on the basis of the use information acquired by the acquisition unit (110); an evaluation unit (130) that evaluates the subject's cognitive function from the number of toilet visits calculated by the calculation unit (120); and an output unit (140) that outputs an evaluation result generated by the evaluation unit (130).
COGNITIVE FUNCTION EVALUATION DEVICE, COGNITIVE FUNCTION EVALUATION SYSTEM, AND PROGRAM