How the human visual system encodes the orientation of a texture, and why it makes mistakes

@article{Morgan1997HowTH,
  title={How the human visual system encodes the orientation of a texture, and why it makes mistakes},
  author={M. J. Morgan and Stefano Baldassi},
  journal={Current Biology},
  year={1997},
  volume={7},
  pages={999-1002}
}
Human observers are exquisitely sensitive to tilt in the orientation of a line. We can detect rotations away from the vertical of 0.5 degrees. It has been suggested [1,2] that this accuracy is a result of the orientation-selectivity of simple cells in the primary visual cortex (V1), many of which have receptive fields with an elliptical shape [3]. However, it is possible to sense the tilt of many stimuli that are unlikely to have their tilt directly encoded by such cells. For example, a garment… CONTINUE READING

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