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Body language refers to various forms of nonverbal communication, wherein a person may reveal clues as to some unspoken intention or feeling through their physical behavior. These behaviors include, but are not limited to: facial expressions, body posture, gestures, eye movement, touch and the use of space. Body language exists in both animals and humans, but this article focuses on interpretations of human body language. It is also known as Kinesics.
Body language must not be confused with sign language as sign languages are real languages like spoken languages and have their own complex grammar systems, as well as being able to exhibit the fundamental properties that exist in all languages. Body language, however, does not have a grammar and must be interpreted broadly, instead of having an absolute meaning corresponding with a certain movement, so it is not a language like sign language, and is simply termed as a 'language' due to popular culture.
In a community, there are agreed-upon interpretations of particular behavior. Interpretations may vary from country to country, or culture to culture. On this note, there is controversy on whether body language is universal. Body language, a subset of nonverbal communication, complements verbal communication in social interaction. In fact some researchers conclude that nonverbal communication accounts for the majority of information transmitted during interpersonal interactions. It helps to establish the relationship between two people and regulates interaction, but can be ambiguous. Hence, it is crucial to accurately read body language to avoid misunderstanding in social interactions.
Facial expression is integral when expressing emotions through the body. Combinations of eyes, eyebrow, lips and cheek movements help form different moods of an individual (e.g. happy, sad, depressed, angry, etc.).
A few studies show that facial expression and bodily expression (i.e. body language) are congruent when interpreting emotions. Behavioural experiments have also shown that recognition of facial expression is influenced by perceived bodily expression. This means that the brain processes the other's facial and bodily expressions simultaneously. Subjects in these studies showed accuracy in judging emotions based on facial expression. This is because the face and the body are normally seen together in their natural proportions and the emotional signals from the face and body are well integrated.
Emotions can also be detected through body postures. Research has shown that body postures are more accurately recognised when an emotion is compared with a different or neutral emotion. For example, a person feeling angry would portray dominance over the other, and his/her posture displays approach tendencies. Comparing this to a person feeling fearful: he/she would feel weak, submissive and his/her posture would display avoidance tendencies, the opposite of an angry person.
Sitting or standing postures also indicate one’s emotions. A person sitting till the back of his/her chair, leans forward with his/her head nodding along with the discussion implies that he/she is open, relaxed and generally ready to listen. On the other hand, a person who has his/her legs and arms crossed with the foot kicking slightly implies that he/she is feeling impatient and emotionally detached from the discussion.
In a standing discussion, a person stands with arms akimbo with feet pointed towards the speaker could suggest that he/she is attentive and is interested in the conversation. However, a small difference in this posture could mean a lot. For example, if the same person has his/her leg crossed over the other, and places his/her entire balance on one leg, this suggests a more casual attitude.
Gestures are movements made with body parts (e.g. hands, arms, fingers, head, legs) and they may be voluntary or involuntary. Arm gestures can be interpreted in several ways. In a discussion, when one stands or sits with folded arms, this is normally not a welcoming gesture. It could mean that he/she has a closed mind and is most likely unwilling to listen to the speaker’s viewpoint. Another type of arm gesture also includes an arm crossed over the other, demonstrating insecurity and a lack of confidence.
Hand gestures often signify the state of well-being of the person making them. Relaxed hands indicate confidence and self-assurance, while clenched hands may be interpreted as signs of stress or anger. If a person is wringing his/her hands, this demonstrates nervousness and anxiety.
Finger gestures are also commonly used to exemplify one’s speech as well as denote the state of well-being of the person making them. In certain cultures, pointing using one’s index finger is deemed acceptable. However, pointing at a person may be viewed as aggressive in other cultures - for example, people who share Hindu beliefs consider finger pointing offensive. Instead, they point with their thumbs. Likewise, the thumbs up gesture could show “OK” or “good” in countries like the US, France and Germany. But this same gesture is insulting in other countries like Iran, Bangladesh and Thailand, where it is the equivalent of showing the middle finger in the US.
Handshakes are regular greeting rituals and are commonly done on meeting, greeting, offering congratulations or after the completion of an agreement. They usually indicate the level of confidence and emotion level in people. Studies have also categorised several handshake styles, e.g. the finger squeeze, the bone crusher (shaking hands too strongly), the limp fish (shaking hands too weakly), etc. Handshakes are popular in the US and are appropriate for use between men and women. However, in Muslim cultures, men may not shake hands or touch women in any way and vice versa. Likewise, in Hindu cultures, Hindu men may never shake hands with women. Instead, they greet women by placing their hands as if praying.
Covering one’s mouth suggests suppression of feeling and perhaps uncertainty. This could also mean that he/she is thinking hard and may be unsure of what to say next.
Oculesics, a subcategory of body language, is the study of eye movement, eye behavior, gaze, and eye-related nonverbal communication. As a social or behavioral science, oculesics is a form of nonverbal communication focusing on deriving meaning from eye behavior. It is also crucial to note that Oculesics is culturally dependent. For example, in traditional Anglo-Saxon culture, avoiding eye contact usually portrays a lack of confidence, certainty, or truthfulness. However, in the Latino culture, direct or prolonged eye contact means that you are challenging the individual with whom you are speaking or that you have a romantic interest in the person.
Haptics, a subcategory of Body Language, is the study of touching and how it is used in communication. As such, handshakes, holding hands, kissing, back slapping, high fives, brushing up against someone or pats all have meaning.
Based on the Body Language Project, touching is the most developed sense at birth and formulates our initial views of the world. Touching can be used to sooth, for amusement during play, to flirt, to expressing power and maintaining bonds between people such as with baby and mother. Touching can carry distinct emotions and also show the intensity of those emotions. Touch absent of other cues can signal anger, fear, disgust, love, gratitude and sympathy depending on the length and type of touching that is performed. Many factors also contribute to the meaning of touching such as the length of the touch and location on the body in which the touching takes place.
Research has also shown that people can accurately decode distinct emotions by merely watching others communicate via touch.
Heslin outlines five haptic categories:
Functional/professional which expresses task-orientation
Donald Walton stated in his book that touching is the ultimate expression of closeness or confidence between two people, but not seen often in business or formal relationships. Touching stresses how special the message is that is being sent by the initiator. "If a word of praise is accompanied by a touch on the shoulder, that’s the gold star on the ribbon," wrote Walton.
Social/polite which expresses ritual interaction
A study by Jones and Yarbrough regarded communication with touch as the most intimate and involving form which helps people to keep good relationships with others. For example, Jones and Yarbrough explained that strategic touching is a series of touching usually with an ulterior or hidden motive thus making them seem to be using touch as a game to get someone to do something for them.
Friendship/warmth which expresses idiosyncratic relationship
Love/intimacy which expresses emotional attachment
Public touch can serve as a ‘tie sign’ that shows others that your partner is “taken”. When a couple is holding hands, putting their arms around each other, this is a ‘tie sign’ showing others that they are together. The use of ‘tie signs’ are used more often by couples in the dating and courtship stages than between their married counterparts according to Burgoon, Buller, and Woodall.
Sexual/arousal which expresses sexual intent.
The amount of touching that occurs within a culture is also culturally dependent.
Another notable area in the nonverbal world of body language is that of spatial relationships, which is also known as Proxemics. Introduced by Edward T. Hall in 1966, proxemics is the study of measurable distances between people as they interact with one another. In the book, Body Language, Julius Fast mentioned that the signals that we send or receive to others through body language are reactions to others’ invasions of our personal territories, which links Proxemics an important part of Body Language.
Hall also came up with four distinct zones in which most men operate:
Intimate distance for embracing, touching or whispering
Personal distance for interactions among good friends or family members
Social distance for interactions among acquaintances
Public Distance used for public speaking
In addition to physical distance, the level of intimacy between conversants can be determined by "socio-petal socio-fugal axis", or the "angle formed by the axis of the conversants' shoulders".
Changing the distance between two people can convey a desire for intimacy, declare a lack of interest, or increase/decrease domination. It can also influence the body language that is used. For example, when people talk they like to face each other. If forced to sit side by side, their body language will try to compensate for this lack of eye-to-eye contact by leaning in shoulder-to-shoulder.
It is important to note that as with other types of Body Language, proximity range varies with culture. Hall suggested that "physical contact between two people ... can be perfectly correct in one culture, and absolutely taboo in another". In Latin America, people who may be complete strangers may engage in very close contact. They often greet one another by kissing on the cheeks. North Americans, on the other hand, prefer to shake hands. While they have made some physical contact with the shaking of the hand, they still maintain a certain amount of physical space between the other person.
Scholars have long debated on whether body language, particularly facial expressions, are universally understood. In Darwin’s (1872) evolutionary theory, he postulated that facial expressions of emotion are inherited. On the other hand, scholars have questioned if culture influences one’s bodily expression of emotions. Broadly, the theories can be categorized into two models:
Cultural Equivalence Model
The Cultural Equivalence Model predicts that “individuals should be equally accurate in understanding the emotions of in-group and out-group members” (Soto & Levenson, 2009). This model is rooted in Darwin’s (1872) evolutionary theory, where he noted that both humans and animals share similar postural expressions of emotions such as anger/aggression, happiness, and fear. These similarities support the evolution argument that social animals (including humans) have a natural ability to relay emotional signals with one another, a notion shared by several academics (Chevalier-Skolnikoff, 1974; Linnankoski, Laasko, Aul-anko, & Leinonen, 1994). Where Darwin notes similarity in expression among animals and humans, the Cultural Equivalence Model notes similarity in expression across cultures in humans, even though they may be completely different.
One of the strongest pieces of evidence that supports this model was a study conducted by Ekman and Friesen (1971), where members of a preliterate tribe in Papua New Guinea reliably recognized the facial expressions of individuals from the United States. Culturally isolated and with no exposure to US media, there was no possibility of cross-cultural transmission to the Papuan tribesmen.
Cultural Advantage Model
On the other hand, the Cultural Advantage Model predicts that individuals of the same race “process the visual characteristics more accurately and efficiently than other-race faces”. Other factors that increase accurate interpretation include familiarity with nonverbal accents.
There are numerous studies that support both the Cultural Equivalence Model and the Cultural Advantage Model, but reviewing the literature indicates that there is a general consensus that 7 emotions are universally recognized, regardless of cultural background: happiness, surprise, fear, anger, contempt, disgust, and sadness.
Recently, scholars have shown that the expressions of pride and shame are universal. Tracy and Robins (2008) concluded that the expression of pride includes an expanded posture of the body with the head tilted back, with a low-intensity face and a non-Duchenne smile (raising the corner of the mouth). The expression of shame includes the hiding of the face, either by turning it down or covering it with the hands.
Fundamentally, body language is seemed as an involuntary and unconscious phenomena that adds to the process of communication. Despite that, there have been certain areas where the conscious harnessing of body language - both in action and comprehension - have been useful. The use of body language has also seen an increase in application and use commercially, with large volumes of books and guides published designed to teach people how to be conscious of body language, and how to use it to benefit them in certain scenarios.
The use of body language can be seen in a wide variety of fields. Body language has seen application in instructional teaching in areas such as second language acquisition and also to enhance the teaching of subjects like mathematics. A related use of body language is as a substitution to verbal language to people who lack the ability to use that, be it because of deafness or aphasia. Body language has also been applied in the process of detecting deceit through micro-expressions, both in law enforcement and even in the world of poker.
The importance of body language in second language acquisition was inspired by the fact that to successfully learn a language is to achieve discourse, strategic, and sociolinguistic competencies. Sociolinguistic competence includes understanding the body language that aids the use of a particular language. This is usually also highly culturally influenced. As such, a conscious ability to recognize and even perform this sort of body language is necessary to achieve fluency in a language beyond the discourse level.
The importance of body language to verbal language use is the need to eliminate ambiguity and redundancy in comprehension. Pennycook (1985) suggests to limit the use of non-visual materials to facilitate the teaching of a second language to improve this aspect of communication. He calls this being not just bilingual but also 'bi-kinesic'.
Body language can be a useful aid not only in teaching a second language, but also in other areas. The idea behind using it is as a nonlinguistic input. It can be used to guide, hint, or urge a student towards the right answer. This is usually paired off with other verbal methods of guiding the student, be it through confirmation checks or modified language use. Tai in his 2014 paper provides a list of three main characteristic of body language and how they influence teaching. The features are intuition, communication, and suggestion.
Body language has seen use in the area of law enforcement. The relevance of body language in this area can be seen in the numerous Federal Bureau of Investigation (FBI) Law Enforcement Bulletins that have included it in their articles. The application of body language in law enforcement goes both ways. Members of law enforcement can use body language to catch unspoken cues by suspects or even victims, this enables a more calculated and more comprehensive judgement of people. The other side of body language is that of the investigators' themselves. The body language of the members of law enforcement might influence the accuracy of eyewitness accounts.
The game of poker does not consist only of the actual ability of playing the game, but also the competence of reading and analyzing the body language of the opponents. A key component of poker is to be able to "cheat" the opponents. To spot these cheats, players must have the ability to spot the individual "ticks" of their opponents. Players also have to look out for signs that an opponent is doing well.
Kinesics is the study and interpretation of nonverbal communication related to the movement of any part of the body or the body as a whole  It is, in layman’s term, the study of ‘body language’. However, Ray Birdwhistell, who is considered the founder of this area of study, never used, and did not consider appropriate, the term ‘body language’. He argued that what can be conveyed with the body does not meet the linguist’s definition of language.
Birdwhistell pointed out that “human gestures differ from those of other animals in that they are polysemic, that they can be interpreted to have many different meanings depending on the communicative context in which they are produced”. And, he “resisted the idea that “body language” could be deciphered in some absolute fashion”. He also indicated that “every body movement must be interpreted broadly and in conjunction with every other element in communication”
Despite that, ‘body language’ is still more widely used than kinesics.