He raised his right fist. There, shining white on the back of his cold hand, were the scars which Dolores Umbridge had forced him to carve into his own flesh: I must not tell lies.
ERP is another forensic technology about the variations of the electric potential related to the human 's event when the tested is lying, which is still in the stage of research in the laboratory.
The first study to compare honesty across a range of communication media has found that people are twice as likely to tell lies in phone conversations as they are in emails.
Popularly, one refers cynically to "human nature" in accepting the inevitability of such undesirable human behavior as greed, murder, cheating and lying.
Next time you're tempted to assume your partner would never lie to you but the nervous-looking person in the office probably does, stop and think again.