There is a new technique for connecting neurons in neuromorphic wetware. By applying square-wave voltage to electrodes submerged in a precursor solution, the wetware, which is made up of conductive polymer wires grown in three dimensions, is created. The network can be trained because the voltage can change the conductance of the wire. This artificial network is capable of performing spike-based learning and unsupervised Hebbian learning.
Growing bio-inspired polymer brains for artificial neural networks
