Study Shows Eyes Display Affection for Tasting Foods

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A new study in the journal Obesity shows that our brains' response to tasting foods can be measured in our eyes.

Drexel University conducted a study on how the retina reacts to increases in dopamine, a chemical released in response to pleasure-related effects and rewards. Dr. Jennifer Nasser and her associates designed a test in which a small piece of chocolate brownie was place in participants' mouths. The study found that electrical signals in participants' retina spiked in response to a flash of light.

In other words, you could literally see the participants' response to the brownie in their eyes.

Why is this study significant? Researchers and retinography experts formerly thought that the brain's dopamine system didn't have an effect on the eye's dopamine system.

Additionally, this method used by researchers involved a common, inexpensive ophthalmological tool, make it an appealing method for further research. This testing method could be very useful for future research in food addiction and obesity prevention.

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