Nevertheless , as a first step , photos can reveal important information on the head component of the gaze , i.e. the head position in space .
Measurements must be taken of the coupled gaze and motor data that are continuous and accurate .
As a first step , photos can reveal important information on the head component of the gaze , i.e. the head position in space .
Measurements must be taken of the coupled gaze and motor data that are continuous and accurate .