Raise group anticipation with the odor of freshly brewed coffee. Relax learners when anxiety is prevalent. Some hospitals use chamomile to reduce patients' anxiety before MRI testing. The scent of pine needles is sprayed to put people at ease going through Customs in London's Heathrow Airport. Reinforce memory of new facts or procedures.
Smells can serve as memory aids or as a means of conditioning reactions and performance.
A student will do better on an exam if there is the same smell in the exam room as there was at home when studying. Make the surroundings pleasant and welcoming. Smells are commonly used to keep customers in shops. More running shoes are sold when there is a smell of flowers or leather in the shoe department. The scent of roses makes people enjoy meals more.