Wednesday, March 18, 2009

In One Ear and Out the Other

By all accounts, my grandfather Nathan had the comic ambitions of a Jack Benny but the comic gifts of a John Kerry. Undeterred, he always kept a few blank index cards in his pocket, so that if he happened to hear a good joke, he’d have someplace to write it down.

How I wish I knew where Nathan stashed that deck.

Like many people, I can never remember a joke. I hear or read something hilarious, I laugh loudly enough to embarrass everybody else in the library, and then I instantly forget everything about it - everything except the fact, always popular around the dinner table, that "I heard a great joke today, but now I can’t remember what it was."

For researchers who study memory, the ease with which people forget jokes is one of those quirks, those little skids on the neuronal banana peel, that end up revealing a surprising amount about the underlying architecture of memory.

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