Before revision:  We formulate this idea using a contrastive similarity matching objective function and derive from it deep neural networks with feedforward, lateral  and feedback connections, and neurons that exhibit biologically-plausible Hebbian and anti-Hebbian plasticity.
After revision:  We formulate this idea using a contrastive similarity matching objective function and derive from it deep neural networks with feedforward, lateral , and feedback connections, and neurons that exhibit biologically-plausible Hebbian and anti-Hebbian plasticity.