Question

How does body language indicate lying and what are some physical characteristics of lying? What might impact the validity of a polygraph?

Answer 1

Itching and fidgeting: Rocking the body back and forth, cocking the head to the side or shuffling the feet can also be signs of deception, says Glass, who completed a post-doctoral fellowship at UCLA focusing on Psychology and Verbal and Non-Verbal Communication

Step-by-step explanation:

Generally, when a person lies they usually manifest outward nervous signs unconsciously, like fidgeting. Through this, their brain is trying to misdirect your attention, so as not to give away their guilt.

Itching and fidgeting: Rocking the body back and forth, cocking the head to the side or shuffling the feet can also be signs of deception, says Glass, who completed a post-doctoral fellowship at UCLA focusing on Psychology and Verbal and Non-Verbal Communication