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Professor Elizabeth Hellmuth Margulis is Director of the Music Cognition Lab at the University of Arkansas in the United States, and author of 鈥淥n Repeat: How music plays the Mind鈥�. Her research approaches music from the perspective of cognitive science, and focuses on the dynamic moment to moment experience of listeners without special musical training. She believes expectation is crucial to our enjoyment of music, and that when we listen to music, we are always forming expectations of what comes next.聽

Predrag Petrovic is a Swedish neuroscientist from the Karolinska Institute in Stockholm and one of the world's leading researchers on the placebo effect, which works by manipulating a patient鈥檚 expectation of their treatment. Professor Petrovic has initiated the first ever study of the doctor rather than the patient in the placebo effect, by scanning the brain of the physician during treatment of patients. From his results, he explains why he puts down the success of the placebo effect to the interaction of the expectations activated in both the brain of the patient and the physician.聽聽 [Photo聽by Ulf Sirborn]

Baba Shiv is an Indian psychologist and Professor of Marketing at Stanford Graduate Business School. Much of his work examines the interplay of the brain鈥檚 鈥渓iking鈥� and 鈥渨anting鈥� systems and its implications for marketing and decision making.聽 Baba Shiv recently conducted a study on wine, where he found that a person prefers wine if they鈥檙e told it鈥檚 more expensive. He sees this as a wake-up call for consumers, who need to look at rationalising their expectations, and focus on inner rather than outer cues, like price and packaging.聽

In our Sixty Second Idea to improve the world, musicologist Elizabeth Hellmuth Margulis says we should learn to expect less. She believes we would be much happier if we learnt to live in the moment, rather than anticipating the future all the time. We think we know our world so well 鈥� but we don鈥檛. To change people鈥檚 attitudes, Elizabeth suggests using theatrical improvisation.聽