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The Humintell Blog August 22, 2017

Recognizing Friend from Foe

Why does your face look so different from mine?

This blog has spent a great deal of time talking about various methods of facial recognition, as well as its relationship to emotional recognition. An important part of this question rests in the vast diversity of human faces that we come into contact with. We need facial recognition skills, in part, because there are so many faces to choose from! As Psychology Today’s Dr. Nathan Lents explains, this human peculiarity also reveals a wealth of evolutionary information.

When we refer to facial recognition as a human peculiarity, that underscores how unique our multitude of different faces are. We have more unique facial structures than any other mammal, and primates are some of the only animals that have varied faces or emotional expressions. Birds, reptiles, insects, etc., while capable of facial recognition do not form display emotions in a similar fashion.

This demonstrates how closely tied facial recognition and emotional expressions are in humans. According to Dr. Lents, mammals first evolved muscles in the face in order to suckle from mammary glands, but as we began to develop into primates and hominids, these muscles grew to become capable of facial expression as a form of communication.

It was these changing muscles that resulted in such a diversity of human faces. In fact, not only are our faces quite different from each other, they tend to vary more than any other physical features.

Given how deeply ingrained facial features and emotion recognition are in our evolutionary history, it is not entirely surprising that some tendencies seem pretty universal. Not only do human babies across cultures develop incredibly fast facial recognition skills but all humans seem to share a set of universal emotional expressions.

For instance, numerous studies have found that newborn humans gain the ability to recognize faces incredibly quickly, learning to distinguish their mother’s within hours. Shockingly, preliminary research suggests that fetuses begin to favor human faces over neutral stimulus even before birth!

Moreover, we seem to have evolved to display universal basic expressions, such as disgust, fear or anger, based on evolutionary responses to the outside world. This was even postulated by Charles Darwin before subsequent psychological research, including the work of Humintell’s own Dr. David Matsumoto, confirmed the presence of these expressions regardless of culture.

For more information on the links between emotional and facial recognition, check out our past blogs here and here.

Filed Under: Emotion

The Humintell Blog August 15, 2017

Pride and Anger in Men

Ever been told to “man up” or be a “real man?”

It is pretty common for any man in our society to have their masculinity called into question, and new psychological research has explored this prevalent issue of “precarious manhood.” The idea of being a manly man is a potentially very fragile concept that many men struggle to maintain and often worry that they will lose.

Dr. Nathan Heflick elaborated on this issue in Psychology Today, outlining how men respond to doubts about their masculinity but also how both men and women view psychological disorders or emotions as being more characteristic of masculinity or femininity.

For instance, Dr. Heflick cited a University of Wisconsin, Madison study which had male and female participants rank how likely men and women were to experience certain emotions. Perhaps unsurprisingly, participants saw men as being more likely to experience anger or pride and women more likely to experience emotions like sadness, love, or fear.

Based on this, Heflick predicted that, if men are not expected to feel sadness or anxiety, then this creates significant hesitation in their likelihood to seek professional help for conditions like depression.

He may indeed be correct! A 2016 study by Dr. Kenneth Michniewicz found that men and women consistently ranked specific mental illnesses as being feminine or masculine. Unsurprisingly, these track closely to the previous study that focused on emotions.

Dr. Michniewicz’s participants pointed to anti-social personality disorder or alcoholism as “male” conditions, whereas anxiety or depression were “feminine.” Following up on these results, the study authors also discovered that men suffering from “feminine” mental illnesses were much less likely to seek professional help.

Unfortunately, this has rippling negative effects on the rest of society. Based on a 2011 study by Dr. Joseph Vandello and Dr. Jennifer Bosson, manhood is often viewed as a precarious position that must be earned and maintained, describing it as “hard fought and easily lost.”

Bosson and Vandello found that men who perceive that their masculinity is threatened are likely to act out in “macho” ways. If they perceive their masculinity as precarious, such as by facing issues of depression, there is an increased risk of violent action. Similarly, such men could become more tolerant of harassment towards seemingly feminine men and may engage in risk-taking behaviors such as gambling.

This is not to say that men are somehow at fault. Instead, there is research, such as that by Dr. John Gottman, has found that men are simply raised to think about emotions differently than women. Dr. Gottman explains that girls are often raised to focus on relationship building, while boys are inundating with the need to compete and win.

If men are simply instructed to be more open to emotional connection and to develop emotional intelligence, this could help reverse such a damaging trend.

In the meantime, it might be a good idea to learn more about how to detect signs of aggression in the men, or women, that you might meet.

Filed Under: Emotion

The Humintell Blog August 8, 2017

Reading Deceptive Eyes

Eyes are an incredibly important part of emotional recognition, but what role do they have in allowing us to detect deception?

While conventional opinion tends to hold that failure to maintain eye contact is a tell-tale sign of deception, this is actually just a pervasive myth. However, because eyes are so important in reading emotions, they can also help us assess another’s truthfulness, or lack thereof.

Our fixation on the importance of eyes has justification. As followers of this blog will know, recent research indicates that we display emotions most clearly in our eyes.

While this intuitive emphasis on eyes led to the notion that observing eye contact is a reliable method of lie detection, this is simply not true. As a previous blog explained, multiple studies have found no relationship between deception and the avoidance of eye contact, despite the fact that, across cultures, this myth continues to be widely held.

As Dr. Wendy Patrick explains, eye contact or its avoidance may be due to differing personalities or cultural backgrounds that determine one’s tendency to make eye contact. Just as she explained in last week’s blog, it is necessary to analyze a given individual’s level of eye contact against their personal baseline.

However, eye contact is still a helpful tool in correctly identifying deception. For example, one 2012 study found significant pupil changes in lying participants. In this study, researchers asked participants to steal small sums of money, while leaving other participants crime-free.

Then, each participant was asked to answer a series of questions about the theft, without letting the test examiner know if they were guilty. While they were filling out these questionnaires, cameras tracked pupil size, finding an increase in pupil diameter amongst the guilty parties. Upon concluding the study, the authors pointed out that such an increase was consistent with previous studies in deception.

Similarly, from the perspective of those detecting deception, a separate 2016 study found that focusing on eyes provided a very effective tool for lie detection. In this study, participants attempted to detect lies from both individuals with their faces covered by a hijab, leaving only the eyes revealed, and those without any form of veil.

Surprisingly, participants were more accurate in detecting deception amongst those with hijabs. This conclusion indicated that a focus on the eye alone significantly aided lie detection, as participants were forced to focus on the eyes, rather than being distracted by other facial features.

While focusing on the eyes may be an important tool for detecting deception, it is often hard for us to know exactly what gives away a lie. We certainly cannot measure pupil size with a ruler!

This requires specialized training, such as Humintell’s evaluating truthfulness workshop

Filed Under: Deception

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