People process information about financial loss through mechanisms in the brain similar to those used for processing physical pain, according to a new imaging study. The results could provide a new understanding of excessive gambling.
The new study detected activity in the striatum, a region that processes signals in the brain's system of reward and defensiveness. Previous studies had shown activity in the striatum increasing when subjects were awarded money, but falling silent when subjects lost money. The new study's lead author, Ben Seymour, MD, and colleagues at the Wellcome Trust Center for Neuroimaging in London suggest that the negative value people associate with losing money stems from an evolutionarily old system involved in fear and pain. This could provide some biological justification for the popular concept of "financial pain." Their study was published in the May 2 issue of The Journal of Neuroscience.
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