Sweating hands can be a good date

If you want to know if your date is going well, pay attention to your heart rate and hand sweating. And it would be best to measure your heart rate and test your palms for moisture.

If the interest is mutual, the heartbeat of the partners and the sweating of the palms will accelerate and decrease at the same rate, it was revealed in an experiment by Dutch researchers.

On the other hand, the obvious or the gaze are obviously not worth relying on in the same way. Although dating partners typically mirror each other’s expressions, for example, by responding to a look or a smile, these expressions did not correlate with real interest.

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The study was published in a scientific journal Nature Human Behaviour.

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The study was conducted in an environment built into a mobile container. To do so, researchers attracted a total of 142 volunteer male-female couples for blind dates at three Dutch events.

The couples were planted in a container at a table indeed facing each other, with a visual barrier between them. The obstacle was removed three times during the experiment, first for three seconds, during which the meetingers got a first impression of the second.

The visual barrier was then removed for two minutes, during which the couple was allowed to converse. Finally, they subjects were still allowed to watch each other for two minutes without discussion.

During the meeting, subjects wore glasses that followed the direction of their gaze, as well as devices that measured heart rate and hand sweating. At the end of the meeting, they were asked separately whether they would be interested in meeting the other party again.

The starting point of the experiment was the assumption that a fascination with a new person should be reflected in human physiology, i.e., bodily functions.

In particular, the study looked for signs of synchronization between couples, i.e., whether their unconscious bodily functions began to resemble each other.

Such synchronization has been observed, for example, in couples who have been together for a long timea. Its causes are not fully understood, but it is thought to facilitate interaction between couples.

The experiment now conducted was the first in which synchronization was also verified in human first encounters.

Researcher at the University of Leiden Eliska Prochazkovan in the lead-induced experiment, synchronization was observed in heartbeats, sweating, and gazes and expressions.

However, in terms of mutual interest, not all synchronization was as valuable.

Visible signs of synchronization, such as simultaneous gestures, smiles, nods, or eye contact, did not predict in the study whether subjects wanted to meet again.

According to researchers, this may have been related to differences in gender behavior. In dating situations, women smiled and lived more. Men, on the other hand, looked at women for longer.

In contrast, changes in body function seen only with measuring devices, such as the synchronization of heart rate and palm sweating, seemed to predict fairly well whether they were interested in a possible second appointment.

“The result supports the prevailing theory that unconscious synchrony plays a role in human interaction,” the researchers write.

Source: Tiede by www.tiede.fi.

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