Transient and sustained components of the pupillary responses evoked by luminance and color

@article{Young1993TransientAS,
  title={Transient and sustained components of the pupillary responses evoked by luminance and color},
  author={Rockefeller S. L. Young and B Han and P Wu},
  journal={Vision Research},
  year={1993},
  volume={33},
  pages={437-446}
}
That the pupil reacts to changes in luminance and color, as well as to spatial features in the retinal image raises questions about whether phasic and tonic and/or color and luminance visual pathways project to the pretectal pupillomotor neurons. The present study compares pupillary responses evoked by heterochromatic and achromatic luminance increments to investigate whether the pupillary responses evoked by color and by luminance are independent of one another. Principal component analysis is… CONTINUE READING

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