Science View S2014E18 - The Link between Emotions and the Sense of Smell

Mice will cower at the smell of a cat even if they've never seen one before. The sense of smell is closely related to emotion and memory. The olfactory bulb in the brain has parts that relate to innate responses and learned responses respectively. Studies have shown that the sense of smell is closely linked to memory and that a deteriorating sense of smell may be a precursor to Alzheimer's disease. We'll be introducing the latest studies on the sense of smell.