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Human subjects can actually navigate spaces using their nose

For the new experiment, 28 participants each entered the smellscape four times. The placement of eight “odor objects” in the environment—smells like orange or banana—always stayed the same. What changed was where participants were placed in the virtual reality arena and which target odor they needed to find.

The results surprised and excited the researchers. “Although the human sense of smell has been poorly regarded across the five different senses, we are now able to establish that human subjects can actually navigate spaces using their nose in the context of a particular type of virtual reality environment,” Gottfried says.

— Read more in How humans use their sense of smell to find their way at Medical Xpress.

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