Following Up: More on Michelle Obama and the Power of Rumors
I posted last week about on the power of rumors in this year’s presidential campaign — about how this old-fashioned tactic has taken on new meaning in the digital age. Two subsequent articles have done a great job of explaining the reasons why and how rumors work.
In a New York Times op-ed, Sam Wang and Sandra Aamodt, experts on how the brain processes memory, discuss how a false rumor — such as that Barack Obama, a Christian, is a Muslim — is very hard to get out of your mind, even after you have been presented with and recognize the truth. Scary stuff:
The brain does not simply gather and stockpile information as a computer’s hard drive does. Facts are stored first in the hippocampus, a structure deep in the brain about the size and shape of a fat man’s curled pinkie finger. But the information does not rest there. Every time we recall it, our brain writes it down again, and during this re-storage, it is also reprocessed. In time, the fact is gradually transferred to the cerebral cortex and is separated from the context in which it was originally. For example, you know that the capital of California is Sacramento, but you probably don’t remember how you learned it.
This phenomenon, known as source amnesia, can also lead people to forget whether a statement is true. Even when a lie is presented with a disclaimer, people often later remember it as true.
It’s a mind-opening read.
And from another angle, Matthew Mosk of the Washington Post discusses the latest work on political rumors by Danielle Allen at the Institute for Advanced Studies at Princeton (yeah, it’s the free-wheeling genius think tank that was once the research home of Albert Einstein). Allen, an expert in the “the way voters in a democracy gather their information and act on what they learn,” became obsessed with how the rumor of Obama being a Muslim — specifically, the chain e-mail about it that became viral — began and spread.
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