Local motion processing limits fine direction discrimination in the periphery

  title={Local motion processing limits fine direction discrimination in the periphery},
  author={Isabelle Mareschal and Peter J. Bex and Steven C. Dakin},
  journal={Vision Research},
Visual sensitivity is reduced in the periphery for many discrimination tasks. Previously it has been reported that motion coherence thresholds are higher for dot stimuli presented in the periphery, a finding that could arise either from (a) impaired motion integration or (b) from motion integrators inheriting more noisy local directional signals. We sought to disentangle these factors using an equivalent noise paradigm. We report a deterioration in discrimination thresholds in the periphery… CONTINUE READING

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