Training facilitates cognitive control on pupil dilation

被引:2
作者
Ehlers, Jan [1 ]
Strauch, Christoph [2 ]
Huckauf, Anke [2 ]
机构
[1] Bauhaus Univ Weimar, Usabil, Weimar, Germany
[2] Ulm Univ, Gen Psychol, Ulm, Germany
来源
2018 ACM SYMPOSIUM ON EYE TRACKING RESEARCH & APPLICATIONS (ETRA 2018) | 2018年
关键词
Pupillometry; Human-Computer Interaction; Biofeedback; LOCUS-COERULEUS; ADAPTIVE GAIN; DIAMETER; SIZE; LOAD;
D O I
10.1145/3204493.3204570
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
Physiological responses are generally involuntary; however, real-time feedback enables, at least to a certain extent, to voluntary control automatic processes. Recently, it was demonstrated that even pupil dilation is subject to controlled interference. To address effects of training on the ability to exercise control on pupil dilation, the current study examines repeated exercise over seven successive days. Participants utilize self-induced changes in arousal to increase pupil diameter, real-time feedback was applied to evaluate and improve individual performance. We observe inter-individual differences with regard to responsiveness of the pupillary response: six of eight participants considerably increase pupil diameter already during the first session, two exhibit only slight changes, and all showed rather stable performance throughout training. There was a trend towards stronger peak amplitudes that tend to occur increasingly early across time. Hence, higher cognitive control on pupil dilations can be practiced by most users and may therefore provide an appropriate input mechanism in human-computer interaction.
引用
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页数:5
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