London, Aug 24 (ANI): A new research has disproved an earlier study that concluded people were either straight, gay or lying.
The 2005 report from a team of psychologists in Chicago and Toronto caused outrage as it apparently suggested bisexual men were actually gay men who were too afraid to come out.
But a team of Northwestern University scientists has found that these people are attracted to both sexes, reports the Daily Mail.
They found bisexual men were physically aroused when watching both adult films of two men having sex and two women having sex, while their peers were not.
The researchers measured sexual arousal with physical measurements, while subjective arousal was through a self-report, according to Dr Catharine Paddock at Medical News Today.
The results showed that for bisexual men "their arousal responses to their less arousing sex tended to be higher than those of homosexual and heterosexual men."
The researchers added that bisexual's preference for men and women could change back and forth over time.
The finding will be published in the journal Biological Psychology. (ANI)
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