No âmbito do estudo da perceção, descobri um artigo da National Geographic acerca deste tema. O artigo revela-nos como as expressoões de medo podem melhorar a nossa perceção.
Fearful facial expressions enhance our perception
by Ed Yong
Show someone a piece of rotting food and their reaction will be visibly similar the world over. Their eyes will close, their noses will wrinkle and their mouths will tighten, all part of a universal expression of disgust. Darwin himself was struck by the universal nature of human facial expressions – from the busiest of cities to the most isolated of villages, smiles and frowns are recognisable, done in the same way and carry the same meaning.
(...)
Através do link phenomena.nationalgeographic.com/2008/06/15/fearful-facial-expressions-enhance-our-perception/é possivel ter acesso a todo o artigo para uma melhor compreenção deste
