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Men are from Mars and Women are from Venus but Flies Do Not Follow This Rule!!!
Male fruit flies usually sing to attract females, vibrating one wing to produce a distinctive sound.
Previous studies had identified the neurons responsible for the male singing behaviour. However, it seemed that females had that circuit too, even though they don’t sing.
Now, by artificially triggering the neurons responsible for singing, the researchers made female flies play their first tune.
"You might expect that the brains of the two sexes would be built differently, but that does not seem to be the case," said Gero Miesenbock, formerly of Yale University and now at the University of Oxford.
"Instead, it appears there is a largely bisexual or ’unisex brain’ with a few critical switches that make the difference between male and female behaviour.
" The mystery at the root of our study is the neuronal basis of differences in male and female behaviour. Anatomically, the differences are subtle. How is it that the neural equipment is so similar, but the sexes behave so differently," he added.
In order to answer this question, the researchers used a special technique they developed in which the singing circuit could be turned on in either males or females with a simple flash of light.
First, they confirmed the connection between that circuit and the courting behaviour in males.
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