West Roger W
College of Optometry, Northeastern State University, 1001 N Grand Avenue, Tahlequah, OK 74464, USA.
Perception. 2013;42(5):495-507. doi: 10.1068/p7343.
Thirty observers judged the direction of monocular and binocular gaze from a model's LCD-imaged head when the head, gaze, and illumination were either straight or turned 20.6 degrees to the side. The judged direction of binocular eye contact from a turned head was judged to go past the direction of the observer, while judged monocular gaze from the eye toward the observer followed that for binocular gaze. Although judged monocular gaze from the eye away from the observer also passed the observer, it did so by a smaller amount. The judged direction of binocular gaze in the same direction as the head turn was judged to pass the direction of the head turn. The judged direction of monocular gaze from the eye away from the observer was nearly true, but the judged direction of monocular gaze from the eye toward the observer was judged as closer to the observer than true. Illumination of the model's head from the side made the direction of both head turn and gaze appear to move away from the direction of the light source. These results are discussed in connection with angle k and the perceived direction of head turn.
30名观察者判断了一个模型的液晶成像头部的单眼和双眼注视方向，该头部、注视方向和照明条件要么是正位，要么向一侧转动20.6度。当头部转动时，判断出的双眼目光接触方向被判定越过观察者的方向，而从眼睛看向观察者的单眼注视方向与双眼注视方向一致。尽管从眼睛看向远离观察者方向的单眼注视方向也越过了观察者，但越过的幅度较小。与头部转动方向相同的双眼注视方向被判定越过头部转动方向。从眼睛看向远离观察者方向的单眼注视方向判断基本正确，但从眼睛看向观察者方向的单眼注视方向被判定比实际更靠近观察者。从侧面照亮模型头部，使得头部转动方向和注视方向都似乎远离光源方向。结合角度k和感知到的头部转动方向对这些结果进行了讨论。
