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Physiologic Instrumentation for Real-time Monitoring of Affective State of Computer Users

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Abstract:
 
"Physiologic Instrumentation for Real-time Monitoring of Affective State of Computer Users", (2004)
Armando B. Barreto and Jing Zhai

ABSTRACT: This paper outlines the development and hardware - software integration of an instrumental setup designed towards the real-time assessment of the affective status of a computer user. This assessment is based on the measurement and digital signal analysis of three physiological variables that reflect dynamic changes of the Autonomic Nervous System (ANS): Blood Volume Pulse (BVP) measured with an infrared finger photoplethysmograph (PPG), Galvanic Skin Resistance (GSR) and the Pupil Diameter (PD). Real-time assessment of the affective status of a subject is an essential component in the development of the emerging field of Affective Computing.