Eye reading body language

What someone’s eyes can tell you about what they’re thinking.

They’ve existed for 540 million years and most of us have a pair, but aside from giving us sight, what can we tell from looking at someone’s eyes?

People say that the eyes are a “window to the soul” – that they can tell us much about a person just by gazing into them. Given that we cannot, for example, control the size of our pupils, body language experts can deduce much of a person’s state by factors relating to the eyes.

The Pupils
The pupils are a part of our body language that we practically have no control over.

As well as adjusting the amount of light taken in the process of sight (Dilation: pupil size increasing; Contracting: pupil size decreasing), Eckhard Hess (1975) found that the pupil dilates when we are interested in the person we’re talking to or the object we’re looking at.

As an indicator, check a friend’s pupil size when you’re talking to them about something interesting, then change the subject to something less interesting and watch their pupils contract!

Eye Contact
For making contact and communicating with a person, effective eye contact is essential to our every day interaction with people, and also to those who want to be effective communicators in the public arena:

Persistent eye contact

Look, Don’t Stare.
Staring

Look, don’t stare. Over-powering eye contact can make the recipient uncomfortable.

Generally in Western societies and many other cultures, eye contact with a person is expected to be regular but not overly persistent. Constant eye contact is often considered to be an attempt at intimidation, causing the person who’s the object of a person’s gaze to feel overly studied and uncomfortable.

Even between humans and non-humans, persistent eye contact is sometimes unadvisable: the New Zealand Medical Journal reported that one reason so many young children fall victim to attacks by pet dogs is their over-poweringly regular eye contact with pets, which causes them to feel threatened and defensive.

Overly persistent eye contact is also a sign of a person’s over-awareness of the messages they are emmiting. In the case of a person who is try to deceive someone, they may distort their eye contact so that they’re not avoiding it – a widely recognised indicator of lying.

Avoiding Eye Contact

Evasive Eye Contact
Evasive Eye Contact

Evasive eye contact: a sign of discomfort.

Why do we avoid looking at a person? It may be because we feel ashamed to be looking at them if we’re being dishonest of trying to deceive them. However, Scotland’s University of Stirling found that, in a question-and-answer study among children, those who maintained eye contact were less likely to come up with the correct answer to a question than those who looked away to consider their response.

Eye contact, as a socialising device, can take a surprising amount of effort to maintain when this energy could be spend on calculating, as opposed to perceptive, tasks.

Crying
Did You Know?
Humans are believed to be the only species on Earth to cry, though there is emerging evidence of it in elephants and gorillas.1

most cultures around the world, crying is considered to be caused by an extreme experience of emotion; usually, it’s associated with sadness or grief, though often extreme experiences of happiness, and through humor, can cause us to cry. Often, forced crying in order to gain sympathy or deceive others is known as “crocodile tears” – an expression from myths of crocodiles ‘crying’ when catching prey.

Blinking
Aside from our instinctive need to blink, our emotions and feelings towards the person we’re talking to can cause us to subconciously alter our blink rate.

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