Method for determining the relative amplitude of eye and head movements of an individual, comprising: —a target providing step during which a list of visual targets comprising at least two different visual targets is provided —a reference positioning step —a reference target providing step during which a reference target comprising a visual and auditory target is provided —a reference target gazing step during which the individual gazes at the reference target —a peripheral target providing step during which a peripheral target comprising a visual and auditory target is provided —a peripheral target gazing step during which the individual gazes at the peripheral target and, —a rotation measurement step during which the angle of rotation of the individuals head and the angle or rotation of the individuals eyes are measured.
