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Those who are able to find a common language with any person are often quick-witted, resourceful and tactful, they understand what other people need and know how to find a compromise. It can be argued that skillful non-verbal behavior is part of social competence. Some people are more receptive to non-verbal signals and are able to better identify their meaning, others are more skillful in what is associated with the non-verbal expression of their own feelings and attitudes. Thus, social competence, involving the possession of such skills, plays an extremely important role in everyday life.
Social intelligence
Social intelligence, which is responsible for social competence, is considered a basic intellectual ability, distinct from other cognitive abilities. Associated with social intelligence is such a concept as emotional intelligence, which characterizes a person's ability to evaluate emotional messages, regulate their own emotions and use them intelligently to control their thoughts and actions.
To properly understand other people, you need to pay attention to their characteristics, including appearance and non-verbal behavior. Sometimes the information we receive from observing a person is important in itself, no matter what benefits can be made from it. Sometimes, having noticed something, we immediately draw a conclusion, and sometimes we notice something, but understanding does not come immediately.
However, communication skills are not limited to non-verbal messages. The verifier needs to understand the meaning of verbal messages - literal and metaphorical, as well as the nuances of what is read "between the lines" - and integrate verbal and non-verbal cues. It is also necessary to understand social contexts and roles: what is permissible and what is unacceptable in a specific social situation, how people performing certain roles should behave, and what consequences the violation of the expectations of others entails.
Conceptions about non-verbal skills can be used to take a fresh look at long-standing concepts. Empathy, rapport, adjustment, and leading, along with processes such as social comparison and impression management, can be considered in terms of control over accuracy when sending or receiving non-verbal cues in social interaction.
Our ability to send and receive non-verbal signals is formed in the course of our daily life. We, without realizing it, learn non-verbal behavior, imitating and modeling the behavior of other people, changing our actions taking into account the feedback received, responding to the instructions and advice of others.
A person's non-verbal skills are improved in a variety of experiences to decode feelings and non-verbal cues. Feedback, in the form of discussing with participants when their judgments about non-verbal behavior are correct and when they are not, is one of the most effective methods of improving non-verbal skills.
People who understand non-verbal cues and have good non-verbal communication skills are more difficult to manipulate than those who do not. If those who know a lot about non-verbal behavior begin to suspect that they are using their knowledge "against" others, very soon attempts are made to expose them or to resist this. It goes without saying that every verifier has an ethical responsibility not to use their knowledge to the detriment of others.
Because verifiers spend a lot of time observing others - passively (observing only) or actively (observing and interacting) - one way or another they develop good skills in decoding the non-verbal messages of the observed objects.
Undoubtedly, non-verbal cues are an essential element of our communication efforts. Sometimes they become the most important part of the messages we send. Understanding and making effective use of non-verbal behavior is critical to being successful in virtually all social contacts we engage in.
Two kinds of gestures in lie detection
In lie detection, it will be important for us to take into account two types of gestures:
Communicative gestures are gestures that accompany speech (illustrators, regulators) or are speech themselves (emblems).
Non- communicative gestures are gestures that do not participate in communication between people, but play a special role in a person's “communication” with himself. So, for example, gesture adapters allow a person to find peace in a difficult situation of stress.
Let's talk about this in more detail.
Communicative gestures
Gestures-emblems
The emblem is a communicative gesture that does not accompany speech, but in fact is speech itself, because it has a very specific meaning. A person, showing a gesture-emblem, always does it consciously and intentionally. Emblems and emblems are proto-language. Our ancestors communicated with emblems, who did not know and did not know the language in its modern form.
The meaning of gestures-emblems is uniquely interpreted by all representatives of a given culture or subculture. With the help of emblems, you can convey almost any message, including factual information, orders, expression of personal attitude to what is happening and feelings.
Facial expressions and eye movements accompanying emblem gestures expand the boundaries of possible meanings associated with hand movements. And there is always the possibility that the meaning associated with a gesture in the absence of speech will change if it is accompanied by speech, including those cases when the accompanying speech seems to be superfluous. However, the context expands the boundaries of meaning. Sometimes the context does not have a strong influence on the meaning of the gesture, but only slightly changes the way it is performed.
Two types of gesture emblems
- Iconic (arise in human culture by copying real objects and actions performed with them);

2. Symbolic (do not contain a direct reflection of the appearance of the depicted object or action, therefore, are understandable only to initiated people).

Since gestures-emblems are a proto-language, passed from generation to generation and are fixed by cultural traditions, in the event of an internal conflict, they can manifest themselves in some way.
In body language there is one informative sign of deception - an emblematic slip of the tongue, which arises when a person does not believe in what he says, that is, the body contradicts the words.
An emblematic slip of the tongue can be a sure sign that the speaker is lying.
Criteria for an emblematic clause
- As a rule, the slip of the tongue appears outside the usual position. The emblems are shown intentionally, they convey some kind of signal, message, and the emblematic leak, as it were, involuntarily breaks out, and therefore manifests itself outside the usual position;
- The disclaimer may not appear in full, but in part;
- The disclaimer may be characterized by excessive "breakage" in the display of emblems. Since liars, when trying to lie, are characterized by bodily asymmetry, when trying to consciously control and suppress emotions, the emblematic slip assumes part of this bodily asymmetry.

During the interview, the verifier may see emblematic leaks in the interviewee, but they may not appear. Despite the fact that emblematic reservations are a fairly reliable sign of a lie, the verifier cannot fully rely only on them, because they may not appear at all during the interview. You also need to master the linguistic set of gestures, emblems of different nations and peoples, especially when conducting checks in neighboring states.
Illustrator Gestures
Another type of gesture inherent in humans is illustrator gestures - gestures that accompany speech. Illustrator gestures need to be interpreted even more carefully than logo gestures and adapters.
Types of Illustrator Gestures
Accurate capture of the subject;
Forceful grip of the void;
Power grabbing of an object;
Blow on the void;
Stitching gestures;
Forefinger;
Intention to touch;
Stretching the arms (palms up, palms towards you, palms down, palms forward);
United hands;
The head is the body;
Illustrations feet

Speech illustration techniques
- The person may place special emphasis on a word or phrase;
- A person can follow the train of thought in the air with his hand, as if conducting his speech;
- A person can draw with their hands in the air or depict actions that repeat or reinforce what is said.
Using Illustrator Gestures
- An attempt to explain something that is difficult to express in words;
- Inability to find the right word or phrase;
- Communication of speech;
- Emotional excitement.
Gesture Illustrator Functions
- Repetition - during communication, people sometimes simply repeat what they say verbally with gestures;
- Addition - during the communication process, people complement or clarify what they say in words with gestures. When words and gestures complement each other and do not conflict, the messages are decoded by the interlocutor more accurately;
- Recollection - Sometimes non-verbal cues help us remember a verbal message;
- Substitution - Sometimes non-verbal cues can replace verbal cues;
- Underlining or dimming - Non -verbal communication can soften or dim the verbal message or highlight certain words (markers).
Verifiers need to understand and take into account the peculiarities of the human nervous system, as well as his basic line of behavior, because some people tend to increase the number of illustrator gestures during a lie, while others tend to decrease the number of illustrator gestures during a lie. Depending on the psychotype of the interviewed person, as well as on the strategy of lying chosen by him, this tendency will manifest itself.
Gesture controls
Slider gestures are interactive gestures that help regulate dialogue.
Types of control gestures
- Information transfer gestures;
- Link gestures to the interlocutor's utterance;
- Gestures for adjusting the sequence of replicas;
- Gestures to request a response from the interlocutor.
Non-communicative gestures
Adapters gestures - stress gestures
A more informative sign of a state of stress is non-communicative gestures - the so-called adapter gestures . They are also called complacency gestures. A person resorts to them unconsciously in order to regain peace of mind in a stressful situation. The emergence of gesture adapters is a sure sign that a person is trying to take himself and the situation under control. In this case, the verifier needs to answer the question: "Why did the interviewee begin to control himself?" It must be borne in mind that these gestures are unconscious - they are poorly realized.
Self-adaptive gestures , as a rule, are associated with touching yourself, your body. Observing the level of manifestation of self-adaptive gestures, one can judge the level of stress in a person. The higher the self-adaptive gestures, the higher the stress level. When a person covers his face with his hands, in different contexts the verifier can confidently speak of shame, shame, or grief.
Types of self-adapters gestures
- Touching the head;
- Touching the body;
- Legs.
Manipulation gestures
Adaptive gestures also include manipulation gestures that perform the same function as self-adaptive gestures, but they are based on manipulation of objects. A person who lies has a transition from the right hemisphere to the left, and it is during this period that manipulative gestures appear. This is due to the fact that the transition from the right hemisphere to the left always causes a pause in a person's actions. Therefore, the function of gesture manipulators is not only adaptation, but also substitution. At the same time, each person has his own especially favorite manipulations, peculiar only to him.
The duration of the manipulations can vary from a few moments to many minutes.
Manipulative gestures are used by a liar on two occasions
- Masking the point of approximate fading (uncontrolled pause before answering);
- Coming up with the correct answer to the question.
In a lie detection situation, there is no need to determine the exact meaning of each adapter gesture, if the verifier pays the main attention to the structure of speech utterances. Since adapter gestures signal the level of stress, during the interview, the verifier can understand how close he is to the required information.
Self-cleaning gestures
A person tries to control himself in the presence of an observer or a group of observers, because it is believed that in the presence of other people it is indecent to make self-purification gestures. A person resorts to these gestures when he believes that no one sees him. Or a person begins to perform these actions unconsciously if he has a feeling that no one sees him.
In life, a person purifies himself, as a rule, alone, when no one sees him, he is in a full state of immersion in himself, is focused on himself, and most importantly, he is safe.

For lie detection, this reason for the occurrence of self-cleaning gestures can be quite informative and significant. In the situation of a questionnaire conversation, and especially this can be informative in the case of a group conversation, the presence of self-purification gestures in a person's non-verbal behavior indicates the absence of the emotion of fear, lack of interest in the event under investigation and is an additional marker of a person's innocence.
Self-purification gestures testify to lies then, when the interviewed person reports a strong emotional experience, but at the same time demonstrates actions to self-purify himself.
Another informative sign that can be attributed to information about the presence of deception is the absence of any gestures during the entire interview. Some liars, wanting not to give themselves away, try to control all body movements and facial expressions. It looks like the person is stiff. At the same time, speech becomes short, logical and emotionally uncolored. The verifier immediately identifies this behavior as information about the presence of deception. Often liars do not understand that an attempt to suppress everything in oneself is evidence of hiding information.
Thus, due to the ambiguity of the origin of gestures, they must be interpreted and interpreted with extreme caution. The liar is betrayed by emblematic slips, an increase in the number of adapter gestures, dissonance of illustrators, and an increase in the number of illustrator gestures in people with a fast moving nervous system.
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