Pupil diameter measurement errors as a function of gaze direction in corneal reflection eyetrackers

被引：105

作者：

Brisson, Julie ^{[1
]}

Mainville, Marc ^{[1
]}

Mailloux, Dominique ^{[1
]}

Beaulieu, Christelle ^{[1
]}

Serres, Josette ^{[2
]}

Sirois, Sylvain ^{[1
]}

机构：

[1] Univ Quebec Trois Rivieres, Trois Rivieres, PQ GA9 5H7, Canada

[2] Univ Paris 05, Sorbonne Cite, Lab Psychol Percept, UMR 8158, Paris, France

来源：

BEHAVIOR RESEARCH METHODS | 2013年 / 45卷 / 04期

基金：

加拿大自然科学与工程研究理事会; 加拿大创新基金会;

关键词：

Eye tracking; Pupillometry; Gaze tracking; Eye movements; TASK; ALLOCATION; SACCADES; DILATION; PATTERNS;

D O I：

10.3758/s13428-013-0327-0

中图分类号：

B841 [心理学研究方法];

学科分类号：

040201 ;

摘要：

Pupil dilation is a useful, noninvasive technique for measuring the change in cognitive load. Since it is implicit and nonverbal, it is particularly useful with preverbal or nonverbal participants. In cognitive psychology, pupil dilation is most often measured by corneal reflection eye-tracking devices. The present study investigates the effect of gaze position on pupil size estimation by three common eye-tracking systems. The task consisted of a simple object pursuit situation, as a sphere rotated around the display screen. Systematic errors of pupil size estimation were found with all three systems. Implications for task-elicited pupillometry, especially for gaze-contingent studies such as object tracking or reading, are discussed.

引用

页码：1322 / 1331

页数：10

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