[HTML][HTML] Robustness of the aging effect of smiling against vertical facial orientation

N Yoshimura, F Yonemitsu, K Sasaki, Y Yamada - F1000Research, 2022 - ncbi.nlm.nih.gov
Background: Previous studies have shown that the association between smiling and youth is
a misconception; smiling faces have been estimated to be older than neutral faces. Previous …