Temporal uncertainty effects on orientation discrimination and stereoscopic thresholds

J Opt Soc Am A Opt Image Sci Vis. 1996 Apr;13(4):884-86. doi: 10.1364/josaa.13.000884.


If a pattern requiring orientation discrimination was presented randomly in one of five clearly demarcated time frames 500 ms apart, orientation thresholds were elevated approximately 20% over their values when the time slot was fixed. For stereoscopic depth discrimination the disparity threshold elevation was approximately 40%.

Publication types

  • Research Support, U.S. Gov't, P.H.S.

MeSH terms

  • Depth Perception / physiology*
  • Humans
  • Orientation / physiology*
  • Sensory Thresholds / physiology