Piriform cortex

The piriform cortex is a region deep in the brain that plays a crucial role in how we smell and process odors. Located near the temporal lobe, this ancient part of the brain receives signals directly from olfactory receptors in the nose and helps us identify and remember different scents. Because of its direct connection to smell, the piriform cortex is also linked to memory and emotion, which is why certain odors can instantly trigger vivid recollections or feelings.