Abstract
As a preliminary investigation of the baboon ( Papio Anubis) visual system, ERG's were recorded using monochromatic light. The computer-averaging technique was used to enhance the signal-to-noise ratio. Scotopic responses were recorded using discrete flashes 100–200 msec in duration under dark-adapted conditions. B-wave amplitude and implicit time analysis disclosed scotopic sensitivity essentially the same as that of man. Photopic responses were recorded using three procedures: (1) 4 Hz flicker and analysis of the first wave; (2) 20 Hz flicker; and (3) discrete flashes superimposed on continuous white-light adaptation. All three procedures disclosed spectral sensitivity functions similar to that of the peripheral cones of man.
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