Definition
Olfaction, also known as the 'sense of smell,' is the process of perceiving odors. It goes beyond simply detecting scents; it's a complex system that helps us navigate the world and form memories. Odor molecules bind to receptors in the nasal cavity, sending signals to the brain. This allows us to identify different smells and associate them with specific experiences. Think of it as a chemical detector that enhances our environment and protects us from danger. Our emotions and memories are closely tied to olfaction, and even faint scents can evoke powerful feelings.