Techniques such as mnemonics, may help improve the efficiency of memory. Can anything be done to help with the ‘hardware’ of memory when it has been damaged by injury, such as drugs, prosthetic devices, and/or neural implants? ‘Improving memory’ reviews established scientific evidence for techniques which may help with improving the functional efficiency of memory. Is it possible to have a perfect memory? Would anyone want to? What are the advantages, and disadvantages, of being a mnemonist (someone with amazing memory abilities)? Memory is not necessarily a truthful recording of events in our lives: it is an active and selective process. Selective memory helps prevent our minds from being cluttered with information we do not need.