[Problem] To provide an autism diagnosis support method, system and an autism diagnosis support device which enables support for early detection and early definitive diagnosis of autism particularly in infants based on objective evaluation using the 'eye gaze detection technique' which has been conventionally suggested. [Solution] The present invention is an autism diagnosis support method, etc. for diagnosing autism in a subject using an eye gaze detection unit which is provided at least with an imaging camera unit, the autism diagnosis support method characterized by displaying an optical illusion image as an optical illusion image plane on a display body which is on the line of sight of the subject, inputting eye gaze position information of the subject into an eye gaze position information storage unit after detecting the eye gaze position information of the subject looking at the optical illusion image plane using the eye gaze detection unit, and evaluating the eye gaze position of the subject using a predetermined autism diagnosis support algorithm.
AUTISM DIAGNOSIS SUPPORT METHOD, SYSTEM AND AUTISM DIAGNOSIS SUPPORT DEVICE