The perception of odors, or sense of smell, is mediated by the olfactory nerve. The olfactory receptor (OR) cells are
When … See more

Odor concentration refers to an odor's pervasiveness. To measure odor sensation, an odor is diluted to a detection or recognition threshold. The detection threshold is the concentration of an odor in air when 50… See more

The human sense of smell is a primary factor in the sensation of comfort. Olfaction as a sensory system brings awareness of the presence of airborne chemicals. Some inhaled chemicals are volatile compounds that act as … See more

Some odors are sought after, such as from perfumes and flowers, some of which command high prices. Whole industries have developed around products that remove or mask unpleasant odors, such as deodorant… See more

Odor perception is a complex process involving the central nervous system and can evoke psychological and physiological responses. Because the olfactory signal terminates in or near the amygdala, odors are strongl… See more

Both men and women use perfume to boost their sexual attractiveness to members of the opposite, or same, sex. When people find that a particular perfume or aftershave is perceived positively, they may be hard-pressed to … See more

• Aroma compound
• Chemoreceptor
• Flavor
• Machine olfaction
• Olfaction… See more