Manan Roy, Adam Hege, Erin D Bouldin
Association between low health literacy and adverse health behaviors in North Carolina, 2016
Journal of Appalachian health
critical question fundamental building models emotion categorize emotions previous studies typically taken one two approaches focused preperceptual visual cues salient facial features configurations displayed b focused postperceptual affective experiences emotions affected behavior study attempted group emotions periperceptual processing level well known humans perceive different facial expressions differently therefore classify facial expressions distinct categories terms perceptual similarities using novel nonlexical paradigm assessed perceptual dissimilarities 20 facial expressions using reaction times multidimensionalscaling analysis revealed facial expressions organized predominantly along upperlower face axis cluster analysis behavioral data delineated three superordinate categories eyetracking measurements validated clustering results interestingly superordinate categories conceptualized according facial displays interact acoustic communications one group comprises expressions salient mouth features likely link speciesspecific vocalization example crying laughing second group comprises visual displays diagnosing features mouth eye regions directly articulable expressed prosodically example sad angry expressions third group also wholeface expressions completely independent vocalization likely blends two elementary expressions propose theoretical framework interpret tripartite division distinct expression subsets interpreted successive phases evolutionary chain