Report-Order Inversions: Feature Mislocalizations or Difficulties in Left-Right Location Judgments?

Summary

Report-order inversions for two parafoveally presented stimuli were examined by presenting the pair members side by side or one above the other. Regardless of whether the pair appeared above, below, to the left of, or to the right of fixation, inversions predominated when members were presented side by side. Instead of stemming from feature mislocalizations which sometimes place distinctive features from the more peripheral figure to the foveal side of the more foveal member, inversions seem to stem from the particular difficulty humans have in judging left from right.