A Special Part of the Brain Lights Up When We See Food
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"We eat first with our eyes."
The Roman foodie Apicius is thought to have uttered those words in the 1st century AD. Now, some 2,000 years later, scientists may be proving him right. Massachusetts Institute of Technology researchers have discovered a previously unknown part of the brain that lights up when we see food. Dubbed the "ventral food component," this part resides in the brain's visual cortex, in a region known to play a role in identifying faces, scenes, and words.
The study, published in the journal Current Biology , involved using artificial intelligence (AI) technology to build a computer model of this part of the brain. Similar models are emerging across fields of research to simulate and study complex systems of the body. A computer model of the digestive system was recently used to determine the best body position for taking a pill. -
@alhad To confirm their discovery, the researchers used the data to train a computer model of this part of the brain, a process that takes less than an hour. Then they fed the model more than 1.2 million new images.
Sure enough, the model lit up in response to food. Color didn't matter – even black-and-white food images triggered it, though not as strongly as color ones. And the model could tell the difference between food and objects that looked like food: a banana versus a crescent moon, or a blueberry muffin versus a puppy with a muffin-like face.
From the human data, the researchers found that some people responded slightly more to processed foods like pizza than unprocessed foods like apples. They hope to explore how other things, such as liking or disliking a food, may impact a person's response to that food.