Method for evaluating a risk of neurodevelopmental disorder with a child

Method for evaluating a risk of developmental disorder with a child, the method comprising the steps of:

• providing a machine comprising a display screen, an eye-tracking device, a controller configured for displaying information on the display screen and for reading and recording eye position data from the eye-tracking device;
• having the child passing a test in the course of a first time period, the test comprising, in sequence:
• a) having the child looking at the display screen and directing the eye tracking device towards at least one eye of said child,
• b) displaying simultaneously first information and second information at respectively two distinct locations on the display screen,
• c) removing the first information and the second information from the display screen,
• d) while the first information and the second information are removed from the display screen, reading and recording eye position data from the eye-tracking device, thereby obtaining a recorded movement of the at least one eye of the child,
• e) displaying third information on the display screen, at or close to the previous location of the second information, and optionally displaying again the second information on the display screen, at its previous location,
• f) removing the third information from the display screen,
• g) repeating steps b) to f) a finite number of times,
• h) calculating a score in function of the plurality of recorded movements of the at least one eye of the child obtained in the steps d).