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Avatars help scientists find best female dance moves

2017年 4月 6日 Thursday - 02:15

A Northumbria University study has used featureless avatars of females dancing to find out which moves will best attract a mate. Jim Drury has more.

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Judging whether someone is a good dancer or not is pretty subjective. But Northumbria University researchers say they've found an independent way to tell who's got twinkle toes. First they kitted out female volunteers in motion capture suits and filmed them in a T-shape pose, so cameras could map their bodies into featureless avatars. They then used video game software to make each volunteer's avatar a similar height and weight, to avoid bias. SOUNDBITE (English) CHRIS McCARTY, NORTHUMBRIA UNIVERSITY, SAYING: "After we've got a wire frame diagram of our subjects dancing around, we then have to normalise their height and their build, which would otherwise be visible, using a 3D model." Then it was time for the women to strut their stuff to a Robbie Williams backing track. Finally, 200 heterosexual volunteers - male and female - rated the dancing on a scale of 1-7. SOUNDBITE (English) DR NICK NEAVE, ASSOCIATE PROFESSOR OF EVOLUTIONARY PSYCHOLOGY AT NORTHUMBRIA UNIVERSITY, SAYING: "Our study found that there were four things that characterise high quality female dance. The first was large movements of the hips. The second was the ability to keep in time, to a rhythm. The third was asymmetric movements of the arms, so that the arms were doing something slightly different to one another; and the fourth was the same thing for the legs." Earlier studies have suggested dancing is closely linked to courtship rituals and fertility. Previously the Northumbria team examined male dancing. SOUNDBITE (English) DR NICK NEAVE, ASSOCIATE PROFESSOR OF EVOLUTIONARY PSYCHOLOGY AT NORTHUMBRIA UNIVERSITY, SAYING: "We think that when males dance they're showing off their strength, not to females particularly but especially to other males….We do suspect that female dance moves will be signifying the same kinds of things, but in relation to things like their fertility, their health, their reproductive status; and we also think that they'll be giving off these signals to males and to females. We're yet to do this research but we do expect to find that there could be close links between a female's health and reproductive quality and her fertility, say, and her dance moves." The study was published in the journal Scientific Reports.

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Avatars help scientists find best female dance moves

2017年 4月 6日 Thursday - 02:15