At the end of “Inside Out,” the 2015 Pixar movie about the emotional life of a girl named Riley, a new button appears on the console used to control Riley’s mood.
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So he dug into the scientific research and spoke with Dr. Damour and Dacher Keltner, an expert on the science of emotion and a professor of psychology at the University of California, Berkeley, who also worked on the first movie. Eventually, Mr. Mann’s team decided that Anxiety was motivated by love for Riley, just like Joy was.