Scientists at the Max Planck Institute for Biochemistry in Martinsried have successfully created a “BrainChip”!  They have been able to connect a cultured hippocampus slice to a semi-conductor chip making direct connections between the hippocampus neural network and the chips transistors.  The electrical signals produced in the hippocampus travel onto the semi-conductor chip and can be read and examined.  I am assuming that using this same principal, one could send electrical signals from the chip into the hippocampus. The hippocampus is the region of the brain responsible for short-term storage of memory.  These scientists actually have been doing this kind of work now for the last 15 years and it is not the first time they have connected a neuron to a transistor, but Im assuming this is the largest scale to date. Check the slashdot article here.