Inhaling a pleasant aroma during sleep has been linked to a "dramatic" improvement in memory, early research suggests. In a small, randomized control trial researchers found that when cognitively ...

Scents are not only processed by the olfactory center, but also by the brain’s reward and aversion systems, explaining how scents can take on meaning. “We already knew that there is a connection ...

Some people may be able to smell even without key structures that relay odor information from the nose to the brain. “I’m not sure that our textbook view of how the [olfactory] system works is right,” ...