Researchers Find That Sense Of Smell Is Dependent On Body Position, ScienceDaily Bookmark and Share

Excerpts: (...) discovered that sensitivity to rose odour is greater in subjects who are sitting than in those lying down. (...) adds to previous studies indicating that lying down negatively affects other senses, such as hearing and spatial perception. "This was an important finding for us, as many of our studies involve test subjects lying in an imaging machine such as MRI or PET (...) scanners. If perceptual ratings differ depending on whether the subject is outside a scanner (and sitting up) or inside a scanner (and lying down), then reliable 'threshold measures' or points of comparison will be difficult to obtain." (...)