article_snippet.sent: Scroll down for video .
article_snippet.sent: The research team carried out an experiment in which 252 volunteers were asked to study computer screens containing abstract shapes and data.
article_snippet.sent: 252 volunteers reactions to images of spiders were very fast, even if 252 volunteers shape was distorted, when compared to much more clear images of other objects known induce disgust or fear, such as needles and flies.
article_snippet.sent: ‘Detection, therefore, is the critical arbiter of success in such encounters
article_snippet.sent: — any improvements to the sensitivity, vigilance, reliability and speed of faculties for the sensitivity, vigilance, reliability and speed of faculties detection
article_snippet.sent: would have been of significant selective advantage.