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Ian R Kleckner, Rebecca M Jones, Oliver Wilder-Smith, Jolie B Wormwood, Murat Akcakaya, Karen S Quigley, Catherine Lord, Matthew S Goodwin
OBJECTIVE: Electrodermal activity (EDA) is a non-invasive measure of sympathetic activation often used to study emotions, decision-making, and health. The use of "ambulatory" EDA in everyday life presents novel challenges-frequent artifacts and long recordings-with inconsistent methods available for efficiently and accurately assessing data quality. We developed and validated a simple, transparent, flexible, and automated quality assessment procedure for ambulatory EDA data...
October 2, 2017: IEEE Transactions on Bio-medical Engineering
Ahmed Morsy
In 1872, Charles Darwin published The Expression of the Emotions in Man and Animals, in which he argued that mammals show emotion reliably in their faces. Since then, thousands of studies have confirmed the robustness of Darwin's argument in many fields, including linguistics, semiotics, social psychology, and computer science. More interestingly, several studies, including those of renowned psychologist Paul Ekman, demonstrated that basic emotions are, indeed, universal. Affectiva, a Massachusetts Institute of Technology spinoff located in Waltham, Massachusetts, builds a variety of products that harness the two main characteristics of facial expressions-robustness and universality-to measure and analyze emotional responses...
November 2016: IEEE Pulse
Akane Sano, Rosalind W Picard
This paper presents a first version of a taxonomy of automatic sleep patterns found with the Affectiva Q™ Sensor, a wireless, logging biosensor that measures skin conductance, skin temperature, and motion comfortably from the wrist. Several studies have examined electrodermal activity (EDA) during sleep, but they focused on an analysis of EDA for only a small number of nights. We quantitatively analyzed EDA during sleep in three study situations: (1) Comparing EDA with polysomnography (PSG) from seven subjects in a sleep lab, (2) Characterizing multiple nights of EDA in a sleep lab, in a hospital and at home from 24 subjects, and (3) Gathering long-term EDA (30-60 nights) patterns from three subjects during home sleep...
2011: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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