Improving our Sense of Smell: a Little Wiring

"A new study reveals for the first time that activating the brain's visual cortex with a small amount of electrical stimulation actually improves our sense of smell. The finding published in the Journal of Neuroscience by researchers at the Montreal Neurological Institute and Hospital -- The Neuro, McGill University and the Monell Chemical Senses Center, Philadelphia, revises our understanding of the complex biology of the senses in the brain."

From the full article Open your eyes and smell the roses: Activating the visual cortex improves our sense of smell