Deficits in automatic, but not voluntary, mimicry of emotional facial expressions in autism
McIntosh, D. N., Reichmann-Decker, A., Winkielman, P.,&Wilbarger, J. L. (2006). When the social mirror breaks: Deficits in automatic, but not voluntary, mimicry of emotional facial expressions in autism. Dev Sci, 9, 295--302.
2006