Gabriel Alexe26 August 20264 minute read
Why do scents trigger memories?
A smell can bring back a whole memory, complete with place, hour and mood, faster than a photograph does. The accepted explanation starts with anatomy: olfactory information reaches the structures tied to memory and emotion by a very short route, where sight and hearing pass through layers of processing first. That is where the sense comes from that the memory isn't being reconstructed but happening again. The phenomenon is known as the Proust effect, after the madeleine passage, and it has been studied for decades, though the exact mechanism remains an open research question. What is observed consistently is that scent-triggered memories feel older, more emotional and more involuntary than those triggered by words or images.
Read the article