Different people can have varying perceptions of the same scents and odors, for instance perceiving the same perfume as "fruity" or "musky." Studies have suggested that the ways in which the same odors are mapped in the brain of different individuals are highly flexible, particularly compared to visual stimuli, which are typically represented similarly.

—  Read more in Study sheds light on the neural underpinning of subjective odor perceptions at Medical Xpress.