How Brain Reacts On Doughnuts

Armen Hareyan's picture

Researchers from Northwestern University's Feinberg School of Medicine conducted an interesting study on how brain brain reacts on food images when a person is hungry and when he is full.


A team of volunteers was shown to pictures of doughnuts and screwdrivers two times: ones after having eaten eight Krispy Kreme doughnuts and ones after being hungry for 8 hours. Both times their brains were being screened by MRIs.

For the first time when the volunteers were full, their brains didn't react much on both images, but when they were hungry, their brains showed unbelievable activity. Limbic brain realized that the body is hungry, and then brain's attention network focused on food giving more importance on food rather than on screwdrivers.

"There's a very complex system in the brain that helps to direct our attention to items in our environment that are relevant to our needs, for example, food when we are hungry but not when we are full," lead author Aprajita Mohanty from Feinberg School.

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