Scientists have found out why smells recall feelings of and can recall distant memories. The scientists say an of the brain is responsible for assigning to smells and for storing them for decades. The area can recall the memories with great years later if a person encounters the smell again. Christina Strauch, from the Ruhr University in Germany, said smells are stored in the olfactory brain. The olfactory means anything related to the of smell. She said: "It is known that the piriform cortex is able to store olfactory memories. We wanted to know if that applies to long-term memories as ."
There are a of scents that can transport us back to our . Smells from cookies baking in the oven or the of an elderly aunt can bring back surprising recollections of growing up. Professor Strauch said certain scents can take you away to another in time. Strauch said some odours can make you wish you were actually back in a certain point of time, or make you want to escape. She said it depends on or not the smell has a positive or association. Aromatherapists depend on this for their . Smells can even encourage you to buy things in stores. Many stores introduce to shoppers to evoke memories to buy things they loved years ago.