The oblique effect in orientation acuity

  title={The oblique effect in orientation acuity},
  author={David W. Heeley and H. M. Buchanan-Smith and J. A. Cromwell and Jonathon S. Wright},
  journal={Vision Research},
We have examined the dependence of rotational acuity on the orientation bandwidth of a stimulus using two-dimensional, band-pass filtered, spatial noise. Stimuli had a bandwidth of 0.5 octave of spatial frequency, centred at 5.0 cyc/deg, and an orientation bandwidth that covered the range from 0.0 to 25.0 deg. Thresholds were obtained on one principal (vertical), and one oblique axis (45 deg). It was found that acuity declined on both axes as bandwidth increased, in a manner that was compatible… CONTINUE READING

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