People's perception of food can be altered using virtual reality, reveals study

The purpose here was to develop an easy-to-implement and affordable method for adapting virtual reality.

People's perception of real food can be altered by using virtual reality, according to a study which found that environment plays a critical part in our eating experience.

Humans not only relish the sweet, savoury and saltiness of foods, but they are influenced by the surroundings in which they eat, according to the study published in the Journal of Food Science.

Representational image. Reuters

Representational image. Reuters

"When we eat, we perceive not only just the taste and aroma of foods, we get sensory input from our surroundings - our eyes, ears, even our memories about surroundings," said Robin Dando, an associate professor at Cornell University in the US.

About 50 panellists who used virtual reality headsets as they ate were given three identical samples of blue cheese.

The study participants were virtually placed in a standard sensory booth, a pleasant park bench and the cow barn to see custom-recorded 360-degree videos.

The panellists were unaware that the cheese samples were identical, and rated the pungency of the blue cheese significantly higher in the cow barn setting than in the sensory booth or the virtual park bench.

To control for the pungency results, panellists also rated the saltiness of the three samples — and researchers found there was no statistical difference among them.

The purpose of this project was to develop an easy-to-implement and affordable method for adapting virtual reality technology for use in food sensory evaluation, said Dando.

Our environment is a critical part of the eating experience, he said. "We consume foods in surroundings that can spill over into our perceptions of the food," said Dando.

This kind of testing offers advantages of convenience and flexibility, compared to building physical environments, researchers said.

"This research validates that virtual reality can be used, as it provides an immersive environment for testing. Visually, virtual reality imparts qualities of the environment itself to the food being consumed — making this kind of testing cost-efficient," said Dando.

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