Synaptic Transfer is a process by which two people can possess a shared dream-state, thus granting an individual access to an unconscious person's mind. The process can be used to communicate directly with a person in a coma and search their memories, and Walter Bishop even claims to have used the technique to extract information from a corpse - although he also claims this is only possible if the corpse has been dead for less than six hours. To allow access to the unconscious person's mind, a conscious individual must have an electromagnetic probe inserted in the base of their skull and be put into a drug-induced coma by a mixture of Ketamine, Neurontin, LSD and other substances. The individual is then immersed in water, whilst wearing as few clothes as possible, and allowed to fall uncon