The Smell of Tobacco

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The sense of smell has the strongest direct connection to long term memory.  In fact, there’s literally a direct connection from the olfactory cortex that receives the incoming signals to the hippocampus where long term memory is generated.  All of the other senses have to be processed, filtered, examined and catalogued first, and then the important bits are selected out and sent on to the hippocampus to create long-term memories, but not smell.  This is one reason that even a faint whiff of a  familiar scent can unlock a long forgotten memory.  Continue reading