I read somewhere that smell is one of the strongest sensations we have, and that it is strongly connected to memory. Indeed, I can easily remember the smell of things, when I was as young as my own son is now. And perhaps even further back in time than that. I do not know whether this is true or not, but if smell is one of the senses that evolves first and that it serves an important function to protect us from danger, it makes sense to me. This weekend I had several strong memories wash over me induced by odor sensation. Combine it with some auditory sensation and you can get very powerful memory triggers.

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