Body language

Body language is a type of nonverbal communication in which physical behaviors, rather than words, are used to express or share information. This includes things like facial expressions, how we hold our bodies, gestures, where we look, touch, and how we use space around us. Even though body language is a big part of how we talk to each other, most of it happens without us even noticing.

In everyday conversations, body language often works together with what we say. It can make us feel more comfortable or less comfortable with someone, and it helps build relationships between people. For example, in meetings with doctors, how someone uses their body language can affect how open patients feel about sharing their concerns.

Even though body language is important, it is not the same as sign languages, which have their own rules and structure like spoken languages. Some experts believe that most of what we communicate to each other is done through body language, not just words. However, understanding body language can sometimes be tricky because its meaning can change depending on where someone is from or their cultural background. The study of body language is called kinesics.

Evolutionary origins of body language

Body language is one of the oldest ways that primates, including humans, communicate without words. Animals like chimpanzees and bonobos use gestures and facial expressions that they are born knowing and also learn from others. Humans do the same, using actions like raising an arm to signal the start of a game.

From a very young age, people use body language to show feelings or get attention. While humans use these signals for deeper meanings and emotions, some animals use them more for quick reactions to specific situations.

Physical expressions

Body language includes facial expressions and postures that show our emotions. Facial expressions involve movements of the eyes, eyebrows, lips, nose, and cheeks. People can sometimes fake smiles, and eye contact can reveal interest or sincerity. The way we position our heads and faces also shows feelings, such as tilting the head to show interest or nodding to agree.

Our body postures and gestures also share what we feel. Standing or sitting with open arms shows openness, while crossed arms may show impatience. Handshakes are common greetings that can build trust. How we walk, or our gait, can show if we feel happy or sad. These nonverbal cues help us understand each other without words.

Main article: Facial expression

Other subcategories

Main article: Oculesics

Oculesics is the study of how we use our eyes to communicate. Eye contact and movement can show feelings and help us understand each other during conversations. However, what this means can change depending on where you come from. For example, in some cultures, avoiding eye contact might show respect, while in others, it could mean you’re being dishonest.

Main article: Haptic communication

We also communicate through touch. A hug, a pat on the back, or holding hands can show affection, friendship, or even professional respect. Different types of touch mean different things — like a handshake in a business setting or a hug between friends.

Main article: Proxemics

Proxemics looks at the distances we keep between each other when we talk or interact. People usually have different comfort zones: very close for intimate moments, a bit farther for friends and family, and even more space for acquaintances or public speaking. These distances can change based on cultural norms and what people feel comfortable with.

Tone of voice

Main article: Emotional prosody

The way we hold our bodies can change how we sound when we speak. A high-pitched voice often shows excitement, while a low voice can sound serious. The way we say something—like whether it goes up at the end—can tell others if we are asking a question or making a statement. How fast and how loud we speak also gives clues about our feelings. Speaking quickly and loudly might show anger, while speaking slowly and softly can sound calm and gentle.

Attitude

Body language is very important in showing how someone feels. Experts say that when people talk about feelings, only about 7% of what they say comes from their words. About 38% comes from how they say it, and a big part, around 55%, comes from their body language. This shows just how much body language helps us understand each other.

People can change their body language to show different attitudes, which can affect how others see them. Whether someone seems formal or relaxed can change how the other person reacts.

Trust

Body language that shows trust often feels open and warm, while untrusting body language seems closed and cold. This can change based on relationships. For example, in doctor-patient relationships, open body language like relaxed posture and eye contact helps patients trust their doctors more.

In business, trust is shown in a formal way that follows business etiquette. People can show power and control through their posture, gestures, and facial expressions, which can affect sales and relationships. In friendships, body language is usually more expressive and informal, with open gestures that help friends communicate better. In close relationships like marriage, trust is shown through very personal gestures, such as holding hands, which shows warmth and closeness. Couples often stand or sit closer together than people who are just colleagues, showing their intimate bond.

Main article: Friendship

Main article: Intimate relationship

Readiness

Body language can show if someone is ready for action, either for physical activity or social interaction. When people feel ready, their whole body can change — their voice might sound stronger, their posture might become more upright, and they might seem more intense or energetic. This readiness can also affect how their skin looks, making it appear tighter when they are more alert.

Professor Amy Cuddy once suggested that standing confidently for two minutes could boost confidence, but later studies showed this might not always work.

Universal vs. culture-specific

People have wondered for a long time whether body language, especially facial expressions, are understood the same way by everyone. Some believe, like Darwin, that we inherit these expressions through evolution. Others think that our culture shapes how we show emotions.

There are two main ideas about this. One idea says that everyone can understand emotions the same way, no matter where they come from. Studies show that people from very different places can still recognize basic emotions like happiness or fear. Another idea suggests that we are better at understanding people who share our own cultural background. However, most agree that seven basic emotions — happiness, surprise, fear, anger, contempt, disgust, and sadness — are understood universally. Recent studies also show that feelings of pride and shame have common expressions across cultures.

Applications

Body language can be used in many ways to help people communicate better. It is often used in teaching, especially when helping someone learn a new language. By using gestures and facial expressions that match the words being taught, teachers can help students understand more clearly.

Body language is also used in games like poker, where players try to read each other’s actions to guess if they are telling the truth. Even in law enforcement, some officers study body language to help judge if someone might be lying, though this method isn’t always reliable. In comedy, exaggerated body language can make performances funnier and more entertaining.

Kinesics

Main article: Kinesics

Kinesics is the study of how we communicate through body movements. It looks at how parts of the body, or the whole body, move to share ideas without using words. This idea was first explored by Ray Birdwhistell, who believed that human gestures can have many meanings depending on the situation. He thought that understanding body movements should always consider the whole context of the communication.

Sports

Body language in sports is important because it shows how athletes feel and what they plan to do, even if they don’t say a word. Things like facial expressions and postures can tell us about an athlete’s emotions or whether they are doing well. People watching, such as opponents and referees, can read these signs, and that can change how they see the athlete or even affect decisions in the game.