Presentación Lies

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  • 1. By Cristina Higuera Fernández
  • 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 being true; a falsehood. To present a false information with the intention of deceiving.
  • 4. TypesSan Agustin , a famous philosopher, has classified the lies on the following way: Lies that harm your feelings and also they don´t help 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 making eye contact. Hands touching their face, throat & mouth. Touching or scratching the nose or behind their ear. Not likely to touch his or her chest/heart with an open hand.
  • 10. Emotional Gestures & Contradiction Gestures/expressions don’t match the verbal statement, such as frowning when saying “I love you.”
  • 11. Interactions and Reactions A guilty person gets defensive. An innocent person will often go on the offensive.
  • 12.  A liar is uncomfortable facing his questioner/accuser and may turn his head or body away. A liar might unconsciously place objects (book, coffee cup, etc.) between themselves and you.
  • 13. Verbal Context and Content A liar will use your words to make answer a question. When asked, “Did you eat the last cookie?” The liar answers, “No, I did not eat the last cookie.” A statement with a contraction is more likely to be truthful: “I didnt do it” instead of “I did not do it”
  • 14.  The use of distancing language.
  • 15. Other signs of a lie If you believe someone is lying, then change subject of a conversation quickly. The guilty wants the subject changed; an innocent person may be confused by the sudden change in topics and will want 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 person’s base (normal) behavior whenever possible.
  • 17. Eye Movement and Direction & How it CanReveal Truth or Lies•Visual Accessing Cues•How 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 then disappear off the face in a fraction of a second. Involuntary - A micro-expression is caused by involuntary movements in facial muscles.
  • 28. Forced or ¨polite¨smile. Only muscles directly around the mouth are involved. Natural Smile. Many facial muscles group move involuntary. The forehead muscles will ¨push down¨, cheeks and jaw move, and nose may wrinkle.The easiest way to spot a real smileis to look at the eyes. In naturalsmile the eyes become¨squished¨and may cause ¨crowsfeet¨.
  • 29. Micro-Expressions and Lying Micro Expressions betray us when we lie. We can try to cover our feelings with fake smiles, but involuntary face muscles reveal this hidden emotions. http://www.youtube.com/watch?v=EXm6YbXxSYk
  • 30. Questions1. If you asked someone Can you remember the taste of your mom´s cake? Which would be the direction 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 and you tell her that You will. Your mom asked you if you cleaned up your room and you say Yes I did it while your are moving your eyes to the left. Are you lying?a) Yesb) No