This diagnostic assistance device 10 is provided with: a first acquisition unit 11 for acquiring an image of the brain of a subject; a second acquisition unit 12 for acquiring an speculation result obtained by making, on the basis of an image, speculation regarding dementia of the subject using learned models 21b, 21c; and a display unit 10f for displaying the speculation result and information indicating the area of interest in the brain in the image used as the basis for the speculation result.
DIAGNOSTIC ASSISTANCE DEVICE, SPECULATION DEVICE, DIAGNOSTIC ASSISTANCE SYSTEM, DIAGNOSTIC ASSISTANCE METHOD, DIAGNOSTIC ASSISTANCE PROGRAM, AND LEARNED MODEL