Visual processing levels revealed by response latencies to changes in different visual attributes.

@article{Barbur1998VisualPL,
  title={Visual processing levels revealed by response latencies to changes in different visual attributes.},
  author={John L. Barbur and Julie Wolf and Peter Lennie},
  journal={Proceedings. Biological sciences},
  year={1998},
  volume={265 1412},
  pages={2321-5}
}
Visual latencies, and their variation with stimulus attributes, can provide information about the level in the visual system at which different attributes of the image are analysed, and decisions about them made. A change in the colour, structure or movement of a visual stimulus brings about a highly reproducible transient constriction of the pupil that probably depends on visual cortical mechanisms. We measured this transient response to changes in several attributes of visual stimuli, and… CONTINUE READING

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