lies and micro-expression( my coms 1010 presentation)

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lies and micro-expression( my coms 1010 presentation)

  1. 1. LIES and Micro expression
  2. 2. • According to a research done by psychologists a person speaks an average of 2 lies in a day. • Humans are not biologically made to lie. • Are lies harmful? Did you know?
  3. 3. • Lets consider what happens when people lie. NOW…..
  4. 4. • Motivational impairment effect
  5. 5. Look at this video
  6. 6. • Eyes and the hands are not coordinated in the same direction • They blink their eyes 2 seconds • BUT why? Common facts in the two cases?
  7. 7. • • • • • • Increased pupil size More nervous Less eye contact Press their lips together Less relaxed posture More blinking of eyes Quick and easy method to detect a lie
  8. 8. • Micro expressions How do psychologists detect lies?
  9. 9. • What is Micro expression? • Involuntary contraction and relaxation of the facial muscles. Examples: 1. Smirks 2. Frowning 3. Smiles 4. Movement of eyelids and eyebrows Micro expressions
  10. 10. • Micro expressions are better understood using the FACS
  11. 11. • What is FACS? • It stands for Facial Action Coding System
  12. 12. A Part of the List of Action Units and Action Descriptors (with underlying facial muscles) AU Number FACS Name Muscular Basis 0 Face 1 Inner Brow Raiser Frontalis(pars medialis) 2 Outer Brow Raiser Frontalis(pars lateralis) 4 Brow Lowerer depressor glabellae, depressor supercilli, 5 Upper Lid Raiser palpebrae superioris ,superior tarsal muscle 6 Cheek Raiser orbicularis oculi(pars orbitalis) 7 Lid Tightener orbicularis oculi(pars palpebralis) 8 Lips Toward Each Other orbicularis oris 9 Nose Wrinkler levator labii suprioris alaeque nasi 10 Upper Lip Raiser levator labii superioris, caput infraorbitalis 11 Nasolabial Deepener zygomaticus minor. 12 Lip Corner Puller zygomaticus major Etc…
  13. 13. • Consider only emotion-related facial actions. Examples of these are: Emotion Action units Happiness 6+12 Sadness 1+4+15 Surprise 1+2+5B+26 Fear 1+2+4+5+20+26 Anger 4+5+7+23 Disgust 9+15+16 Contempt R12A+R14A
  14. 14. Study of Micro expressions • Micro expressions can be difficult to recognize as they last only 1/25 to 1/15 of a second • A camera is used to distinguish distinct emotions
  15. 15. • Study Micro expression by Using of photographs
  16. 16. • Thank you all for you attention.. Any question will be welcomed.

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