Researchers tested people's abilities to distinguish between complex mixtures of scents. Based on the results, the researchers calculated humans can detected more than 1 trillion odor mixtures.
Researchers use peanut butter as a new tool to diagnose early stage Alzheimer's disease.
Olfactory retentivity persists at a central level, helping us to identify new odors in complex environments and memorize smells, a new study suggests.
Researchers have mapped the activity of brain cells in the mushroom body of flies conditioned to have Pavlovian behavioral responses to different odors. The findings suggest the activity of as few as 25 neurons are required to be able to distinguish between different odors.