Does the stimulating aroma of the khichdi remind you grandma? Here's why

The findings may explain why the loss of the ability to smell has been recognised as an early symptom of Alzheimer's disease

Lifestyle News: Do you know why you instantly recall the smell of apple pie prepared way back by your grandmother as you walk into her kitchen? There is a scientific reason behind it.

Researchers have now discovered the mechanism behind how smells that one has experienced in the past have contributed in the formation of memories -- suggesting a novel perspective on the way senses are represented in memory.

The findings may explain why the loss of the ability to smell has been recognized as an early symptom of Alzheimer's disease and can offer opportunities for improved smell tests in Alzheimer's disease diagnosis.

"Our findings demonstrate for the first time how smells we've encountered in our lives are recreated in memory," said lead author Afif Aqrabawi from the University of Toronto.

"In other words, we have discovered how you are able to remember the smell of your grandma's apple pie when walking into her kitchen," Aqrabawi added.

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