Click Here to Read: Fear memories can be overcome during sleep, researchers say By Meeri Kim in The Washington Post on September 22, 2013.
Courtesy of Xu Liu and Steve Ramirez – The hippocampus of a mouse brain, after the making of a memory. The cells glowing in red contain the memory of a particular environment and have been genetically tricked to be capable of being turned on with just brief pulses of light.