Why are you smiling? In a strategic context, people's affective responses reflect the meaning of android's facial expressions. - Galit Hofree; Paul Ruvolo; Christopher Reinert; Marian Stewart Bartlett; Piotr Winkielman (ICDL-EPIROB, 2012)

Behind the Robot's Smiles and Frowns: In Social Context, People Do Not Mirror Android's Expressions But React to Their Informational Value. - Galit Hofree; Paul Ruvolo; Audrey Reinert; Marian Stewart Bartlett; Piotr Winkielman (Frontiers Neurorobotics, 2018)