Age-related changes in pattern visual evoked potentials: differential effects of luminance, contrast and check size.

@article{Tobimatsu1993AgerelatedCI,
  title={Age-related changes in pattern visual evoked potentials: differential effects of luminance, contrast and check size.},
  author={Shozo Tobimatsu and Shizuka Kurita-Tashima and M Nakayama-Hiromatsu and Kouhei Akazawa and Masaharu Kato},
  journal={Electroencephalography and clinical neurophysiology},
  year={1993},
  volume={88 1},
  pages={12-9}
}
We recorded visual evoked potentials (VEPs) to checkerboard pattern-reversal stimulation in 109 normal subjects (51 males and 59 females; aged 19-84 years) in order to study the aging effect on the multiple channels of the visual system in humans. Transient VEPs to 3 check sizes (15', 30' and 50') were obtained by monocular stimulation. Two test conditions were employed: (1) a high luminance (180 cd/m2) and a low luminance (11 cd/m2) both with a fixed contrast (90%), and (2) a high contrast (85… CONTINUE READING
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