Kissing is kind of like clockwork : You lean forward , shut your eyes , pucker up , and engraft a smooch on the mortal you like . But have you ever inquire why , exactly , we do n’t search at one another in the centre when we lock lip ?

Etiquette - wise , many people find it creepy ( if not downright rude ) when their kissing partner keeps his or her eyes unresolved . However , a new study on imagination and tactile sensorial experience may lend a plausible scientific explanation for why we osculate with closed eyes , IFL Science reports .

University of London research worker Sandra Murphy and Polly Dalton published their findings in theJournal of Experimental Psychology : Human Perception and Performance . The scientists were n’t trying to find out about our kissing behaviors ( nor did they test smooching depicted object in a science laboratory ) ; they instead were simply examine to find out more about how humans litigate the sense of soupcon .

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The scientists had report player watch a screen with flashing letters and instructed them to note when they control the alphabetic character X or N. At the same sentence , the subjects were enjoin to pay care to whether they felt a vibration send out to their left or right hand . As the letter sequence got more confusing , the subjects were less potential to notice the oscillation .

If you ’re taking in mess of visual stimuli , the researcher found , you ’re less potential to be able to notice touch . " These results could explain why we fold our eye when we require to focus attention on another mother wit , " Dalton toldThe Independent . “Shutting out the optic input leave more mental resource to rivet on other look of our experience . "

As IFL Science points out , this written report did not do out to de - baffle the mechanisms behind making out , nor did its finding yield any conclusive answers for why we fill up our eye when we do so . However , it ’s certainly a compelling theory . Now , if scientist could only agree onwhy we kissin the first place …

[ h / tRefinery29 ]