1.By Cristina Higuera Fernndez

2. Summary The definition of lie Types Why people lie? How can we detect lies? Signs of Deception Eye Movement Micro Expressions Short video Questions 3. Definition A false statement deliberately presented as beingtrue; a falsehood. To present a false information with the intentionof deceiving. 4. TypesSan Agustin , a famous philosopher, has classified the lies on the following way: Lies that harm your feelings and also they donthelp you Lies that help but they harm your feelings persons who like to lie Lies that are not harmful and they also protect 5. Why people lie?People lie for different reasons , for example: To protect themselves Lie for a job When you want to have something To look cool Another type 6. How can we detect lies? The following deception detection techniques are used by police, forensic psychologists, security experts. Signs of Deception Eye Movement Micro Expressions 7. Signs of Deception Body Language of Lies Emotional Gestures & Contradiction Interactions and Reactions Verbal Context and Content Other signs of a lie Final Notes 8. Body Language of Lies Physical expression will be limited and stiff, with few arm and hand movements. Hand, arm and leg movement are toward their own body the liar takes up less space. 9. A person who is lying to you will avoid makingeye contact. Hands touching their face, throat & mouth.Touching or scratching the nose or behind theirear. Not likely to touch his or her chest/heart withan open hand. 10. Emotional Gestures & Contradiction Gestures/expressions dont match the verbal statement, such as frowning when saying I love you. 11. Interactions and Reactions A guilty person gets defensive. An innocentperson will often go on the offensive. 12. A liar is uncomfortable facing hisquestioner/accuser and may turn his head orbody away. A liar might unconsciously place objects(book, coffee cup, etc.) between themselves andyou. 13. Verbal Context and Content A liar will use your words to make answer aquestion. When asked, Did you eat the lastcookie? The liar answers, No, I did not eat thelast cookie. A statement with a contraction is more likely tobe truthful: I didnt do it instead of I did notdo it 14. The use of distancing language. 15. Other signs of a lie If you believe someone is lying, then changesubject of a conversation quickly. The guilty wantsthe subject changed; an innocent person may beconfused by the sudden change in topics and willwant to back to the previous subject. 16. Final Notes Obviously, just because someone exhibits one or more of these signs does not make them a liar. The above behaviors should be compared to a persons base (normal) behavior whenever possible. 17. Eye Movement and Direction & How it CanReveal Truth or LiesVisual Accessing CuesHow this information is used to detect lies 18. Up and to the Left Indicates: Visually Constructed Images (Vc) If you asked someone to "Imagine a purple buffalo", this would be the direction their eyes moved in while thinking about the question as they "Visually Constructed" a purple buffalo in their mind. 19. Up and to the Right Indicates: Visually Remembered Images (Vr) If you asked someone to "What color was the first house you lived in?", this would be the direction their eyes moved in while thinking about the question as they "Visually Remembered" the color of their childhood home. 20. To the Left Indicates: Auditory Constructed (Ac) If you asked someone to "Try and create the highest the sound of the pitch possible in your head", this would be the direction their eyes moved in while thinking about the question as they "Auditory Constructed" this sound that they have never heard of. 21. To the Right Indicates: Auditory Remembered (Ar) If you asked someone to "Remember what their mothers voice sounds like ", this would be the direction their eyes moved in while thinking about the question as they "Auditory Remembered " this sound. 22. Down and to the Left Indicates: Feeling / Kinesthetic (F) If you asked someone to "Can you remember the smell of a campfire? ", this would be the direction their eyes moved in while thinking about the question as they used recalled a smell, feeling, or taste. 23. Down and To the Right Indicates: Internal Dialog (Ai) This is the direction of someone eyes as they "talk to themselves". 24. How this information is used to detectlies Example: Lets say your child asks you for a cookie, and you ask: "Well, what did your mother say?" As they reply "Mom said... yes.", they look to the left. This would indicate a made up answer as their eyes are showing a "constructed image or sound. Looking to the right would indicated a "remembered" voice or image, and this would be telling the truth. 25. Micro Expressions What are micro expressions? The main points 26. What are Micro Expressions? A micro expression is a momentary involuntary facial expression -- that people unconsciously display when they are hiding an emotion. They are quick & intense expressions of concealed emotion. 27. The main points Brief - Micro-expressions can appear thendisappear off the face in a fraction of a second. Involuntary - A micro-expression is caused byinvoluntary movements in facial muscles. 28. Forced orpolitesmile. Onlymuscles directly around the mouth are involved.Natural Smile.Many facial musclesgroup moveinvoluntary. Theforehead muscleswill pushdown, cheeks andjaw move, and nosemay wrinkle.The easiest way to spot a real smileis to look at the eyes. In naturalsmile the eyes becomesquishedand may cause crowsfeet. 29. Micro-Expressions and Lying Micro Expressions betray us when we lie. We cantry to cover our feelings with fake smiles, butinvoluntary face muscles reveal this hiddenemotions. http://www.youtube.com/watch?v=EXm6YbXxSYk 30. Questions1. If you asked someone Can you remember thetaste of your moms cake? Which would be thedirection their eyes move?a)Up and to the rightb)Down and to the leftc) Leftd) Right 31. 2. Which of the following politics are lying?a) Number 2 and 5b) Number 5 , 6 and 1c) Number 3 , 4 and 6d) Number 2, 1 and 4 32. 3. Your mom ask you to clean up your room andyou tell her that You will. Your mom asked you ifyou cleaned up your room and you say Yes I did itwhile your are moving your eyes to the left. Areyou lying?a) Yesb) No