1. Computer readable apparatus comprising a storage medium, said storage medium comprising a plurality of instructions to implement adjustment of a connection of a spiking neuronal network, the instructions configured to, when executed: increase a weight associated with said connection based at least on a response generated by at least one neuron of the network prior to receipt of a signal indicative of a context; and reduce said weight based on said signal preceding said pulse; wherein said connection is configured to communicate said signal to said at least one neuron; and wherein said reduction and said increase of said weight cooperate to effect control of context-based response generation by said at least one neuron.