Human brain keeps memories tidy by pruning inaccurate ones

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Your brain is a memory powerhouse, constantly recording experiences in long-term memory. Those memories help you find your way through the world: Who works the counter each morning at your favorite coffee shop? How do you turn on the headlights of your car? What color is your best friend's house? (FULL ARTICLE)

Nicholas Turk-Browne.An experiment conducted by Nicholas Turk-Browne, an associate professor of psychology at Princeton, and his colleagues found that the human brain uses memories to make predictions about what it expects to find in familiar contexts. When those subconscious predictions are shown to be wrong, the related memories are weakened and are more likely to be forgotten. {Photos by Denise Applewhite, Office of Communications.}

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