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It's not clear whether humans have natural reactions to snakes. https://link.springer.com/article/10.11133/j.tpr.2013.63.4.012 https://link.springer.com/article

• cma 1y ago
  If not, another visual system one in newborns is preference for faces with open eyes and direct gaze: https://pubmed.ncbi.nlm.nih.gov/17030037/ https://pubmed.ncbi.nlm.nih.gov/17030037/