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WASHINGTON _ Tiny chickadees perform astounding feats of memory thanks to a system of "place cells" in their pea-sized brains.
The little black-and-white birds grow new brain cells, or neurons, each fall, just when they are hiding hundreds of seeds in dozens of locations around their feeding grounds.
According to Israeli bird researcher Anat Barnea and Fernando Nottebohm, director of Rockefeller University's Field Research Center for Ecology and Ethology in Millbrook, N.Y., the added cells sprout in the hippocampus, a part of the brain associated with spatial memory in rodents, monkeys and humans.
"In the wild, chickadees retrieve these seeds in ...
Source: HighBeam Research, Memory is seasonal for the chickadee and its seeds.(Knight Ridder...