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Conventional Wisdom of Solomon has it that when people talk , the direction of their optic social movement reveals whether or not they ’re lying . A glance up and to the left purportedly means a person is telling the trueness , whereas a coup d’oeil to the upper right signals deceit . However , raw enquiry thoroughly expose these notion . As it turns out , you ca n’t smell a liar by where he looks .
researcher in the United Kingdom investigate the say correlation between optic guidance and consist after realizing it was being instruct in behavioral training class , seminar and on the Web without the bread and butter of a shred ofscientific grounds . The theme has its roots in a for the most part disbelieve 1970s theory called Neuro - Linguistic Programming ( NLP ) , a curing of techniques intended to help people master societal interactions .
These are lying eyes, according to NLP theory.
In one experiment , the scientists supervise the leftward and rightward coup d’oeil of 32 cogitation participant as they told a mix of truths and falsehood . The player — all of whom were right - handed , in case eye apparent motion arereversed in left-hander — were every bit likely to peek upward and to the right and up and to the left-hand , regardless of whether they were consist or telling the truth .
In a second experiment , the investigator found that a radical of 25 participant who were inform of the aver family relationship between optic movements and lying were no better at detecting Trygve Lie than a second grouping of 25 player who were not teach the prescript of thumb . [ How to Pass a Lie Detector Test ]
Finally , in a third experiment , the researchers look into a video archive of 52 individuals making public pleas on behalf of missing congener , one-half of whom are known to have been lying ( based on the outcomes of the type ) and the other half , find to have been telling the truth . When the researcher rack up the number of upper - leftover and upper - rightfulness glances among the talker , there was , again , no difference between the directions of the liar ' and truth - narrator ' eye movement .
" Our research provides no backup for the approximation [ that certain eye movements are a signaling of lying ] and so indicate that it is time to abandon this approach to notice dissimulation , " tell study co - author Caroline Watt of the University of Edinburgh in a jam release .
The researchers have detail their findings in a new paper release today ( July 11 ) in the journal PLoS ONE .
