PSY328H1 Lecture Notes - Lecture 3: Lie Detection, Microexpression, Paul Ekman
Document Summary
Psychology and the law lecture 3 lie detection: cues to deception: Non verbal (cues you are giving someone, how you say it) facial expression, body language. Verbal (semantic) (what you say) how consistent or truthful it seems. Eyes: blinking, avoid eye contact, pupil dilation (not always easy to detect, or reliable because all of these things are often associated with other states such as being anxious. Body language: use fewer illustrators (hand gestures, when trying to emphasize, or (cid:272)o(cid:373)pli(cid:373)e(cid:374)t a stor(cid:455)(cid:895) (cid:373)a(cid:455) (cid:271)e (cid:271)e(cid:272)ause lie tellers fa(cid:272)i(cid:374)g (cid:862)(cid:272)og(cid:374)iti(cid:448)e load(cid:863) (cid:373)ore fo(cid:272)used o(cid:374) monitoring a lie, less fidgeting. Facial expression: emotional expressions (facial expressions that make your lie believable) voluntary expressions: making the expressions yourself , micro expressions (involuntary expressions tiny muscles in your face that you cannot control, happen without control) Paul ekman if the lie is trivial all lucks are off, but if the lie is important he is able to catch the lie.
