You don't say! Gullibility may be linked to brain function

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Neuroscientists at the University of Iowa have theorized that apparent "gullibility" in seniors may actually be the result of changes in brain function and, in some cases, minor brain damage.

A series of tests to determine decision-making ability and "gullibility" were given to 80 healthy seniors. Up to 40% of those studied performed badly in simulated decision-making exercises, despite no apparent signs of any neurological problems that should have affected their responses, researchers say.

Researchers aimed to identify traits among seniors who were prone to deception and poor decision-making.  The report was published in the Annals of the New York Academy of Sciences.