Role of feedback in mammalian vision: a new hypothesis and a computational model

@article{Sastry1999RoleOF,
  title={Role of feedback in mammalian vision: a new hypothesis and a computational model},
  author={Prakash Sastry and Shesha Shah and Swati Singh and K. P. Unnikrishnan},
  journal={Vision Research},
  year={1999},
  volume={39},
  pages={131-148}
}
This paper presents a novel hypothesis on the function of massive feedback pathways in mammalian visual systems. We propose that the cortical feature detectors compete not for the right to represent the output at a point, but for exclusive rights to abstract and represent part of the underlying input. Feedback can do this very naturally. A computational model that implements the above idea for the problem of detection is presented and based on that we suggest a functional role for the thalamo… CONTINUE READING

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