Tempted by that junk food commercial? May be, it’s your personality

We may be inherently more tempted to ads showing junk food.

Hamburger ad on TVWe get fat partly because we have easy access of cheap, high calorie food. Yet some many of stay fit inspite of the easy access. Research to be presented at the Annual Meeting of the Society for the Study of Ingestive Behavior (SSIB), the foremost society for research into all aspects of eating and drinking behavior, seeks to understand the personality traits that make some of us get tempted to over-eat.

In her study, Dr. Natalie Loxton proposed reward sensitivity as a key trait predisposing some of us to get attracted to appetizing cues —such as a television commercial marketing junk food.

“We tested whether reward-sensitive individuals would experience greater pleasure and urge to eat after watching TV commercials featuring junk food, compared with those featuring healthy food or no food,” Dr. Loxton said.

This independent study observed 75 men and women who watched a 30 minute film embedded with junk food, healthy food, or no food featured in the commercials. Participants rated the pleasantness of food images and their desire to eat after watching the films.

“As hypothesised, reward sensitivity was associated with an increase in urge to eat in the junk food condition. There was no association in the healthy food condition and a reduced desire to eat in the no food condition,” she said.

Dr. Loxton also discovered that reward sensitivity was associated with greater liking of junk food images, but only for women. There was no effect of reward sensitivity on liking of healthy food or non-food images.



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