Cử chỉ bao gồm miệng này trở nên tinh tế hơn ở tuổi trưởng thành. Khi người lớn nói với một lời nói dối, não của ông hướng dẫn tay che miệng của mình trong một nỗ lực để ngăn chặn những lời dối trá, vì nó cho năm năm tuổi và thiếu niên, nhưng tại thời điểm cuối cùng bàn tay được kéo đi từ mặt và một mũi kết quả cảm ứng cử chỉ (hình 8). | the mouth like that of a five-year-old but instead of the obvious hand slapping gesture over the mouth the fingers rub lightly around it Figure 7 . This mouth-covering gesture becomes even more refined in adulthood. When the adult tells a lie his brain instructs his hand to cover his mouth in an attempt to block the deceitful words just as it does for the five-year-old and the teenager but at the last moment the hand is pulled away from the face and a nose touch gesture results Figure 8 . This gesture is nothing more than the adult s sophisticated version of the mouth-covering gesture that was used in childhood. This is an example of the fact that as an individual gets older many of his gestures become sophisticated and less obvious which is why it is often more difficult to read the gestures of a fifty year-old than those of a much younger person. FAKING BODY LANGUAGE A commonly asked question is Is it possible to fake your own body language The general answer to this question is no because of the lack of congruence that is likely to occur in the use of the main gestures the body s microsignals and the spoken words. For example open palms are associated with honesty but when the faker holds his palms out and smiles at you as he tells a lie his microgestures give him away. His pupils may contract one eyebrow may lift or the comer of his mouth may twitch and these signals contradict the open palm gesture and the sincere smile. The result is that the receiver tends not to believe what he hears. The human mind seems to possess a fail-safe mechanism that registers tilt when it receives a series of incongruent non-verbal messages. There are however some cases in which body language is deliberately faked to gain certain advantages. Take for example the Miss World or Miss Universe contest in which each contestant uses studiously learned body movements to give the impression of warmth and sincerity. To the extent that each contestant can convey these signals she will score
