A Pattern Stimulus for Optimal Response from the Retina

  • C. Barber
  • N. R. Galloway
Part of the Documenta Ophthalmologica Proceedings Series book series (DOPS, volume 10)


The importance of edges and sharp intensity contours in visual stimuli has led to great popularity for the checkerboard pattern stimulus since SPEHL-MAN (1965) reported a bigger response from a flashed checkerboard pattern than from a plain flash. Other patterns have been compared with it but is generally acknowledged to be the most effective type of stimulus for producing a large evoked response (White, 1969; Van Der Tweel & Spek-Reijse 1973). In clinical applications, and particularly where threshold detection may be involved, this is clearly an advantage.


Stimulus Pattern Checkerboard Pattern Check Size Normal Visual Field Luminance Response 
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Copyright information

© Dr W. Junk b.v. Publishers 1976

Authors and Affiliations

  • C. Barber
    • 1
  • N. R. Galloway
    • 1
  1. 1.NottinghamEngland

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