![]() “Their responses reflected a rich and nuanced array of emotional states, ranging from nostalgia to feeling ‘grossed out,’” Cowen said. The first group freely reported their emotional responses to each of 30 video clips. ![]() Three separate groups of study participants watched sequences of videos, and, after viewing each clip, completed a reporting task. Themes from the 2,185 video clips – collected from various online sources for the study – included births and babies, weddings and proposals, death and suffering, spiders and snakes, physical pratfalls and risky stunts, sexual acts, natural disasters, wondrous nature and awkward handshakes. “Our hope is that our findings will help other scientists and engineers more precisely capture the emotional states that underlie moods, brain activity and expressive signals, leading to improved psychiatric treatments, an understanding of the brain basis of emotion and technology responsive to our emotional needs,” he added.įor the study, a demographically diverse group of 853 men and women went online to view a random sampling of silent 5- to-10-second videos intended to evoke a broad range of emotions. “Emotional experiences are so much richer and more nuanced than previously thought.” “We don’t get finite clusters of emotions in the map because everything is interconnected,” said study lead author Alan Cowen, a doctoral student in neuroscience at UC Berkeley. Moreover, in contrast to the notion that each emotional state is an island, the study found that “there are smooth gradients of emotion between, say, awe and peacefulness, horror and sadness, and amusement and adoration,” Keltner said. “We found that 27 distinct dimensions, not six, were necessary to account for the way hundreds of people reliably reported feeling in response to each video,” said study senior author Dacher Keltner, a UC Berkeley psychology professor and expert on the science of emotions. Using novel statistical models to analyse the responses of more than 800 men and women to over 2,000 emotionally evocative video clips, researchers identified 27 distinct categories of emotion and created a multidimensional, interactive map to show how they’re connected. A University of California Berkeley study challenges a long-held assumption in psychology that most human emotions fall within the universal categories of happiness, sadness, anger, surprise, fear and disgust.
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