Wingenbach, Tanja ORCID: 0000-0002-1727-2374, Ashwin, Chris and Brosnan, Mark (2016) Validation of the Amsterdam dynamic facial expression set: bath intensity variations (ADFES-BIV): a set of videos expressing low, intermediate, and high intensity emotions. PLoS ONE, 11 (12):e0168891. ISSN 1932-6203 (Online) (doi:https://doi.org/10.1371/journal.pone.0147112)

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Abstract

Most of the existing sets of facial expressions of emotion contain static photographs. While increasing demand for stimuli with enhanced ecological validity in facial emotion recognition research has led to the development of video stimuli, these typically involve full-blown (apex) expressions. However, variations of intensity in emotional facial expressions occur in real life social interactions, with low intensity expressions of emotions frequently occurring. The current study therefore developed and validated a set of video stimuli portraying three levels of intensity of emotional expressions, from low to high intensity. The videos were adapted from the Amsterdam Dynamic Facial Expression Set (ADFES) and termed the Bath Intensity Variations (ADFES-BIV). A healthy sample of 92 people recruited from the University of Bath community (41 male, 51 female) completed a facial emotion recognition task including expressions of 6 basic emotions (anger, happiness, disgust, fear, surprise, sadness) and 3 complex emotions (contempt, embarrassment, pride) that were expressed at three different intensities of expression and neutral. Accuracy scores (raw and unbiased (Hu) hit rates) were calculated, as well as response times. Accuracy rates above chance level of responding were found for all emotion categories, producing an overall raw hit rate of 69% for the ADFES-BIV. The three intensity levels were validated as distinct categories, with higher accuracies and faster responses to high intensity expressions than intermediate intensity expressions, which had higher accuracies and faster responses than low intensity expressions. To further validate the intensities, a second study with standardised display times was conducted replicating this pattern. The ADFES-BIV has greater ecological validity than many other emotion stimulus sets and allows for versatile applications in emotion research. It can be retrieved free of charge for research purposes from the corresponding author.

Item Type:	Article
Uncontrolled Keywords:	emotion, facial emotional expressions, intensity, videos
Subjects:	B Philosophy. Psychology. Religion > BF Psychology
Faculty / School / Research Centre / Research Group:	Faculty of Education, Health & Human Sciences Faculty of Education, Health & Human Sciences > Institute for Lifecourse Development > Centre for Mental Health Faculty of Education, Health & Human Sciences > School of Human Sciences (HUM)
Last Modified:	31 May 2022 15:09
URI:	http://gala.gre.ac.uk/id/eprint/36125

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