Olfactory Pathway

Why Smell Bypasses the Brain's Relay Station—and Why That Makes Its Memories So Vivid

Smells trigger unusually vivid, emotional memories because their signals travel a more direct route into the brain than any other sense. This direct pathway, bypassing the thalamus, connects the olfactory bulb straight to the amygdala and hippocampus, creating immediate, potent recollections.