Why Do We Forget?
- Author
- V Kelly B
- Published
- Wed 28 Apr 2021
- Episode Link
- None
Why Do We Forget?
Traditionally, forgetting has been regarded as a passive decay over time of the information recorded and stored in the brain. But while some memories may simply fade away like ink on paper exposed to sunlight, recent research suggests that forgetting is often more intentional, with erasure orchestrated by elaborate cellular and molecular mechanisms. And forgetfulness is not necessarily a sign of a faulty memory. “In fact,” Wimber says, “it’s been shown over and over in computational models and also in animal work that an intelligent memory system needs forgetting.”
Far from signifying failure, forgetting may be the brain’s frontline strategy in processing incoming information. Forgetting is essential, some researchers now argue, because the biological goal of the brain’s memory apparatus is not preserving information, but rather helping the brain make sound decisions. Understanding how the brain forgets may offer clues to enhancing mental performance in healthy brains while also providing insights into the mechanisms underlying a variety of mental disorders.
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