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A new computing technology called "organismoids" mimics some aspects of human thought by learning how to forget unimportant memories while retaining more vital ones.

"The human brain is capable of continuous lifelong learning," said Kaushik Roy, Purdue University's Edward G. Tiedemann Jr. Distinguished Professor of Electrical and Computer Engineering. "And it does this partially by forgetting some information that is not critical. I learn slowly, but I keep forgetting other things along the way, so there is a graceful degradation in my accuracy of detecting things that are old. What we are trying to do is mimic that behavior of the brain to a certain extent, to create computers that not only learn new information but that also learn what to forget."

The work was performed by researchers at Purdue, Rutgers University, the Massachusetts Institute of Technology, Brookhaven National Laboratory and Argonne National Laboratory.

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