Nonlinear summation really can be used to perform AND operations: reply to May and Zhaoping.

@article{Peirce2011NonlinearSR,
  title={Nonlinear summation really can be used to perform AND operations: reply to May and Zhaoping.},
  author={Jonathan Westley Peirce},
  journal={Journal of vision},
  year={2011},
  volume={11 9}
}
May and Zhaoping (this issue) make the case that neurons must be performing multiplication in order to generate the AND gates needed to detect conjunctions and that the method of simply summing nonlinear inputs suggested by Peirce (2007) would not suffice. Their conclusions are based on three main premises: that nonlinear summation only applies to conjunctions in which the components have lower contrast than the compound (plaids, for example, but not contours), that it cannot explain data… CONTINUE READING

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