Remember This! - Recovering the Memories (Part 3 of 3)

The impact of memory loss can be utterly profound. We depend on our capacity to remember at every turn - from shopping lists to the names of our children. Brain injury can put a devastating spanner in the works. What memories can be recovered, what must be relearned, and what might be compensated for if you suffer the trauma of brain damage? In Part 3 of this BBC series on the science of memory, some new technologies to aid those with fractured memory. And, the phenomenon of the super-memory - how do memory whizzes do it?