CHICAGO (Reuters) - The aroma of Grandmother's fresh-baked cookies etch themselves into the brain's emotional memory, but so does a whiff of rotten fish, Israeli scientists said in a finding that might help in treating trauma patients.
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They said bad smells make the biggest first impression -- which is likely an evolutionary defense mechanism -- but early pleasant scents also make an imprint on the brain.
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I guess it would be confusing to have a pleasant memory associated with the smell of rotten fish:-)
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