Researchers find brain circuit linked to food impulsivity

You’re on a diet, but the aroma of popcorn in the movie theater lobby triggers a seemingly irresistible craving.

Within seconds, you’ve ordered a tub of the stuff and have eaten several handfuls.

Impulsivity, or responding without thinking about the consequences of an action, has been linked to excessive food intake, binge eating, weight gain and obesity, along with several psychiatric disorders including drug addiction and excessive gambling.

A team of researchers that includes a faculty member at the University of Georgia has now identified a specific circuit in the brain that alters food impulsivity, creating the possibility scientists can someday develop therapeutics to address overeating.

The team’s findings were published recently in the journal Nature Communications.

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