Instant Recall

Written by Science Knowledge on 9:24 PM

How many memories do we create in a day?

The series Too Hard for Science? discusses ideas scientists would love to explore that they think are difficult or impossible to investigate.

THE SCIENTIST: Robert Stickgold, director of the Center for Sleep and Cognition at Harvard Medical School.

THE IDEA: How many memories does a person create in one day? Assumptions regarding this number are at the foundation of many studies of the brain. One could put recording equipment on volunteers and compare what they experienced to what they actually remembered about events, Stickgold suggests. This is something he and his colleagues attempted.

THE PROBLEM: One difficulty regards how one counts memories. Is going to the grocery store one memory or a series? Remembrances are fractal in nature: the deeper a person looks into one memory, the more details one can unearth.

Furthermore, Stickgold adds, “There probably really isn’t anything in the brain that’s a discrete memory.” The brain is one vast, interconnected network, so how much you glom together and call a memory—“Well, it’s not a question that’s meaningful at the level of the brain.”

Source of Information : Scientific American Magazine

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In its broadest sense, science (from the Latin scientia, meaning "knowledge") refers to any systematic knowledge or practice. In its more usual restricted sense, science refers to a system of acquiring knowledge based on scientific method, as well as to the organized body of knowledge gained through such research.

Fields of science are commonly classified along two major lines: natural sciences, which study natural phenomena (including biological life), and social sciences, which study human behavior and societies. These groupings are empirical sciences, which means the knowledge must be based on observable phenomena and capable of being experimented for its validity by other researchers working under the same conditions.

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