The unsung sense: How smell rules your life - life - 19 September 2011 - New Scientist
..."What's more, it is becoming clear that the brain's olfactory centres are intimately linked to its limbic system, which is involved in emotion, fear and memory. That suggests a link between smell and the way we think..."
"...Sense consciousness from eye, ear,nose, tongue, body end up in the mind as a mental object..."
"...There are also thoughts that can be retrieved from memory in mind consciousness back into the mind. Mind consciousness may leave imprints of your past memory as sort of "auto save copy" in memory of your computer. The past memory in turn can influence your feelings, perceptions and thoughts."