1. A neuron circuit comprising: a multiplier circuit in communication with a plurality of gated input signals, each of said gated input signals representing one of a plurality of inputs to said neuron circuit raised to an exponential power of one of a plurality of gating functions g.sub.i, said multiplier circuit for multiplying said gated input signals together to produce a product and for multiplying said product by a predetermined weight to generate without a threshold comparison a neuron output signal; wherein at least one of said plurality of gating functions g.sub.i is greater than 1.