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The Effect of Expression Geometry and Facial Identity on the Expression Aftereffect

Abstract : Few studies have systematically examined the effect of expression geometry and facial identity on this cross-identity expression aftereffect. This issue is, however, critical for understanding the nature of expression adaptation. We measured expression aftereffects using a cross-identity/cross-expression geometry factorial design. The results show that expression aftereffect would reduce if adaptor and tests have different identities or expression geometries, and that identity-independent expression aftereffect is relatively more robust to variance in expression geometry in comparison to identity-dependent expression aftereffect. Based on these results, we discussed their psychophysical and physiological implication for understanding the nature of identity-dependent and identity-independent expression representations.
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Miao Song, Qian Qian, Shinomori Keizo. The Effect of Expression Geometry and Facial Identity on the Expression Aftereffect. 2nd International Conference on Intelligence Science (ICIS), Oct 2017, Shanghai, China. pp.124-129, ⟨10.1007/978-3-319-68121-4_13⟩. ⟨hal-01820898⟩

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