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THEscienceofmicroexpressionsSOMETHINGABOUTittakeaOverview1of18(TimRoth)andhiscolleaguesinTheLightmanGroupacceptassignmentsfromthirdparties(commonlylocalandfederallawenforcement),andassistininvestigations,reachingthetruththroughappliedpsychology:interpretingmicroexpressions,throughtheFacialActionCodingSystem,andbodylanguage.SAYHELLOTOFacialexpressionsshowusomebasicfeatures2of182of182of182of182of182of182of18THEOTHERPARTBodylanguageControllableactions:scratchingone’searsandcheeks;touchingone’snosetouchingOne'sneckandheadetc.IfControllableactionsincreaseintalking------lying3of183ofTouchingtheneckwhenansweringquestions—Ifthereisnothingwrongwiththeneck,itisanactionoflying.classiccompulsivebehaviorPhysicalexpressionwillbelimitedandstiff,withfewarmandhandmovements.Hand,armandlegmovementsaretowardtheirownbodyastheliartriestotakeuplessspace.Handstouchingtheirface,throat&mouth.Touchingorscratchingthenoseorbehindtheirear.Notlikelytotouchhischest/heartwithanopenhand.belowthenose,ititcheswhentheyarehidingsomething.184ofotherExample:Someonesays,Iloveit!whenreceivingagiftandthensmilesaftermakingthatstatement,ratherthenatthesametime,thestatementismade.Whensomeonegetsenraged,sheraiseshisvoice,whichhasadifferentpacewiththeactionTimingisoffbetweenemotions/gestures/expressionsandwords.184ofGestures/expressionsdon'tmatchtheverbalstatementsuchasfrowningwhensayingIloveyou.orPeoplegottheslightestheadnodyesbeforetheyshooktheirheadno.withobliqueeyebrows184of6AndsomegesturesTwohandsrubbingeachother-----Whenyoudon'tbelievewhatyousay,YouwilltouchyourhandssubconsciouslyinordertocomfortyourselfThedirectionofeyesdoesn'tcoincidewiththefingerpoint184of6Thespeechwasaccidentally,unconsciousofasymbolicgestureofmeaning,havespecial-hostile.Puthishandontheforeheaddownoverhiseyesthatmeansguiltyorshame18ANDALSO...thedetailsinyourspeaking5ofGrammatical,syntactic,andstructuralcharacter186ofAliarwilluseyourwordstomakeansweraquestion.Whenasked,Didyoueatthelastcookie?Theliaranswers,No,Ididnoteatthelastcookie.Thelyingonemayspeakmorethannatural,addingunnecessarydetailstoconvinceyou…theyarenotcomfortablewithsilenceorpausesintheconversation.Aswell,whenlying,wordsmaybegarbledandspokensoftly,alsosyntaxandgrammarmaybeoff.Inother-words,hissentenceswilllikelybemuddledratherthanemphasized.Rigidrepetionlikethisisatypicaloflieonthecontrary,astatementwithacontractionismorelikelytobetruthful:Ididn'tdoitinsteadofIdidnotdoit.Thedetailsarecontextualembedding.Meansheistellingthetruth.Liarssometimesavoidlyingbynotmakingdirectstatements.Theyimplyanswersinsteadofdenyingsomethingdirectly.18THANKYOUTosomeextentsienceissomekindofbeliefsobelieveitornotitalluptouthetruthiswrittenonallourfaces