A comparative eye tracking study of different kinds of affective pictures
Danmin Miao · Zhonghua xingwei yixue yu naokexue zazhi · 2006
Objective To compare the eye tracking data of different kinds of affective pictures,and determine what indicators can reflect picture emotionality.Methods 5 from 40 affective pictures were chosed after 40 testees had graded them,and 5 affective pictures with significant difference were difined:positive type,sub-positive type,neutral type,sub-negative type and negative type.During the picture view test,39 testees saw the 5 pictures in random sequence.Results There were significantly difference in fixation count,average fixation duration,pupil size max and pupil size mean.Positive and negative type pictures were significantly difference with neutral type picture in fixation and pupil size.Conclusion Fixation count,average fixation duration,pupil size max and pupil size mean could reflect picture emotionality.Affective picture(positive and negative type)seeing would lead to larger pupil size and more fixation count than neutral pictures.