Adult-Born Neurons Strengthen Memories While Mice Sleep

A study shows the activation of young brain cells in adult mice is necessary not just for forming memories, but consolidating them during rapid eye movement sleep, reports The Scientist.

“It is a very cool paper,” writes neuroscientist Sheena Josselyn of the University of Toronto in an email to The Scientist. “This is the first study to causally link new neurons to sleep-dependent memory consolidation. I am sure it will have a broad impact on scientists studying memory, sleep as well as those interested in adult neurogenesis,” she says. Josselyn was not involved in the study.

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