Threat modulates perception of looming visual stimuli

  title={Threat modulates perception of looming visual stimuli},
  author={Eleonora Vagnoni and S. Lourenco and M. Longo},
  journal={Current Biology},
  • Eleonora Vagnoni, S. Lourenco, M. Longo
  • Published 2012
  • Biology, Medicine
  • Current Biology
  • Among the most critical of visual functions is the detection of potentially hazardous or threatening aspects of the environment. For example, objects on a collision course with an observer must be quickly identified to allow sufficient time to prepare appropriate defensive or avoidant responses. Directly approaching objects produce a specific accelerating pattern of optical expansion, known as 'looming, which in theory exactly specifies time-to-collision independent of object size or distance… CONTINUE READING
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