NIMH-funded researchers recently reported that a little-known growth factor boosted the strength and staying power of a fear memory. It’s the latest in a flurry of discoveries that are revising the script for what we might think about as a play in 5 acts: “How Memory Works.” Act 1 would be perception and encoding – when the information first comes in – and Act 5 would be the retrieval and expression of the stored information. There is much ferment about Acts 2, 3 and 4. What’s happening as that initial trace gets processed in the brain? Where does it get stored? How does it get stored? What sustains it? Do different kinds of memory have different molecular and cellular mechanisms?
Read more...NIMH · How Does Memory Work? The Plot Thickens
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