Corticofugal feedback influences the generation of length tuning in the visual pathway

@article{Murphy1987CorticofugalFI,
  title={Corticofugal feedback influences the generation of length tuning in the visual pathway},
  author={Penelope C. Murphy and Adam M. Sillito},
  journal={Nature},
  year={1987},
  volume={329},
  pages={727-729}
}
In the feline visual system, neurons exhibiting sensitivity to the length of a moving contour were first observed in the cortex1,2 and described as 'hypercomplex' cells'. In these cells an increase in stimulus length beyond an optimal value leads to a rapid decline in response. This decline has been attributed to an intracortical inhibitory input1 which may be driven by layer VI cells with very long receptive fields3. It is now clear, however, that cells in the dorsal lateral geniculate nucleus… CONTINUE READING
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