The researchers suggest guys have trouble noticing and interpreting the subtleties of non-verbal cues, in either direction.

More surprising, the researchers found guys were also confused by sexual cues.

When images of gals meant to show allure flashed onto the screen, male students mistook the allure as amicable signals.

Luckily, a new video by Function titled, "The Science of Dating (Eye Tracking Ep. In an experiment conducted by Function, participants were asked to wear a pair of Tobii Pro eye tracking glasses while going on a series of seven to 12 minute blind dates.

During each date, the eye trackers were able to measure where people focused most of their attention, as well as any changes occuring within the eyes all throughout the date.

The students viewed images of women on a computer screen and had to categorize each as friendly, sexually interested, sad or rejecting.

Each student reported on 280 photographs, which had been sorted previously into one of the categories based on surveys completed by different groups of students.

Programmed for sex The results help to tease out the underlying causes of guys' flirt-or-not mistakes.

One common explanation for reports of men taking a friendly gesture as "she wants me," is based on men's inherent interest in sex, which is thought to result from their biology as well as their upbringing.

After all, a recent survey of 2,000 singles found that great conversation is the marker of a successful date.