To Make Memories, New Neurons Must Erase Older Ones
Friday, November 13, 2009 - 00:57
in Psychology & Sociology
Short-term memory may depend in a surprising way on the ability of newly formed neurons to erase older connections. A new article provides some of the first evidence in mice and rats that new neurons sprouted in the hippocampus cause the decay of short-term fear memories in that brain region, without an overall memory loss.