Of all the senses, olfaction — smell — must be the most primal and evocative, the most magically elusive. With just around ...

The theory of odors hitherto accepted, has been, that invisible particles, emanating from bodies, and coming in contact with the olfactory nerves, produce the sensation of smell. Substances to be ...

the vestibulocochlear nerve for hearing and balance, and the olfactory nerve for smell. Difficulties with any of these may indicate a neurological problem. For the sense of smell, test tubes are ...

The symptoms may appear immediately following the trauma, or they may not appear until days after the incident (for olfactory ...

To understand why certain smells bring such a sudden wave of nostalgia, it helps to look at how the olfactory system—our sense of smell—works and how the brain processes odors. When your senses pick ...

These odor molecules contact a tissue called the olfactory epithelium (Fig. 1), which contains olfactory receptor cells that lock onto these odor molecules. This generates electrical signals that are ...