Figure 1.

The sources s are mixed with a matrix C, x = Cs, x are the presynaptic signals. Using a linear neuron y = W x, the weights W are updated following the Hebbian rule, so that the postsynaptic signals y recover the sources s.

Clopath et al. BMC Neuroscience 2008 9(Suppl 1):O13   doi:10.1186/1471-2202-9-S1-O13