Pupillary Behavior in Positive and Negative Emotions

Babiker, Areej and Faye , Ibrahima and Malik, Aamir Saeed (2013) Pupillary Behavior in Positive and Negative Emotions. In: IEEE International Conference on Signal and Image Processing Applications (ICSIPA) 2013, 8 - 10 October, 2013, Melaka, Malaysia.

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Emotion recognition process is proven to be an essential tool to increase human-computer reaction, interpret social relations, investigate mental health, and study human behavior. Pupil diameter (PD) has been addressed as the most reliable approach to identify emotions. This is because it is controlled by Automatic Nervous System (ANS) and is easy to detect. The goal of this paper is to identify the difference in PD due to individual’s positive and negative emotional states. The paper introduces experimental results obtained using eye-tracking system with 30 participants. Initial results obtained by applying differently paired-sample t-test suggested a significant increase in pupil dilation during negative emotions compared to positive ones. It also shows steeper, higher, more sustained and longer dilation in high arousal negative stimuli.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: pupil detection, emotion recognition, eye-tracking systems, stimulus, positive and negative emotions
Subjects: Q Science > Q Science (General)
R Medicine > R Medicine (General)
T Technology > T Technology (General)
Departments / MOR / COE: Centre of Excellence > Center for Intelligent Signal and Imaging Research
Research Institutes > Institute for Health Analytics
Depositing User: Dr Aamir Saeed Malik
Date Deposited: 20 Dec 2013 05:38
Last Modified: 20 Dec 2013 05:38
URI: http://scholars.utp.edu.my/id/eprint/10980

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