Do rats use shape to solve "shape discriminations"?

  title={Do rats use shape to solve "shape discriminations"?},
  author={Loredana Minini and Kathryn J. Jeffery},
  journal={Learning & memory},
  volume={13 3},
Visual discrimination tasks are increasingly used to explore the neurobiology of vision in rodents, but it remains unclear how the animals solve these tasks: Do they process shapes holistically, or by using low-level features such as luminance and angle acuity? In the present study we found that when discriminating triangles from squares, rats did not use shape but instead relied on local luminance differences in the lower hemifield. A second experiment prevented this strategy by using stimuli… CONTINUE READING
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