Gay people really do have an inbuilt radar that helps them seek out like-minded souls, scientists have shown.
This sixth sense, or 'gaydar', ensures they pay more attention to detail, allowing them to pluck potential partners out of a crowd.
The Dutch researchers looked at whether straight and gay people focus their attention differently when faced with a problem.
A total of 42 men and women were shown pictures of outlines of large squares and rectangles, each of which was packed with smaller shapes.
Our brains are wired to take in the bigger picture, meaning that if we are shown a square filled with rectangles and asked what is inside, we can easily be fooled into saying 'squares'.
When the men and women were asked similar questions, the heterosexuals replied more quickly but were less accurate, the journal Frontiers in Cognition reports.
The homosexuals took longer but got more answers right, particularly when asked about the smaller shapes, suggesting they were able to see the small details as well as the bigger picture.
Or they were able to see the trees as well as the wood.
In everyday life, this attention to detail could help them work out people's sexuality.
Researcher Dr Lorenza Colzato, of Leiden University in the Netherlands, said: 'This is the first time that scientific proof has been found for the existence of a gaydar mechanism amongst homosexuals.
‘This perceptual skill allows homosexuals to recognise other gay people faster and we think it's because they are much more analytic than heterosexuals.'
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