Can Brain Scans Predict What You Will Do In The Future?
Brain scans may be able to predict what you will do better than you can yourself, and might offer a powerful tool for advertisers or health officials seeking to motivate consumers, researchers said on Tuesday. They found a way to interpret “real time” brain images to show whether people who viewed messages about using sunscreen would actually use sunscreen during the following week.
FMRI uses a magnetic field to measure blood flow in the brain. It can show which brain regions are more active compared to others, but requires careful interpretation. Falk’s team recruited 20 young men and women for their experiment. While in the fMRI scanner they read and listened to messages about the safe use of sunscreen, mixed in with other messages so they would not guess what the experiment was about. “On day one of the experiment, before the scanning session, each participant indicated their sunscreen use over the prior week, their intentions to use sunscreen in the next week and their attitudes toward sunscreen,” the researchers wrote. After they saw the messages, the volunteers answered more questions about their intentions, and then got a goody bag that contained, among other things, sunscreen towelettes.” “A week later we did a surprise follow up to find out whether they had used sunscreen,” Falk said in a telephone interview.
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