I always knew my brain was different

Via Andrew Sullivan, here’s Jonah Lehrer reporting that, according to brain scans, it’s harder to pay with cash than with credit cards:

one of the reasons credit cards are such a popular form of debt is that they take advantage of some innate flaws in the brain. When we buy something with cash, the purchase involves an actual loss – our wallet is literally lighter. Credit cards, however, make the transaction abstract, so that we don’t really feel the downside of spending money. Brain imaging experiments suggest that paying with credit cards actually reduces activity in the insula, a brain region associated with negative feelings. As George Loewenstein, a neuroeconomist at Carnegie-Mellon says, “The nature of credit cards ensures that your brain is anaesthetized against the pain of payment.” Spending money doesn’t feel bad, so you spend more money.

I don’t know where these neuroeconomists get their volunteers, but I’ve always found it nervewracking to buy things with credit/debit cards.  It doesn’t matter how much money is in my account, or how much available credit I have: Every time I swipe a card, I’m convinced it’ll be rejected.  (I’m not alone.) It’s almost as if I spent most of my 20s in graduate school and in low-paying jobs . . .

By contrast, paying with cash is satisfyingly reliable.  I don’t use cash more because it’s irritating to have to guess the right amount before going to Target, and because I tend to spend what’s in my wallet.

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