Your face says it all? Not so fast

March 5, 2014, Northeastern University
Your face says it all? Not so fast
Postdoctoral psychology researcher Maria Gendron travelled to Namibia to investigate whether individuals from non-Western cultures recognize the same emotions as Westerners do in facial expressions and vocalizations. Credit: Maria Gendron

It's a concept that had become universally understood: humans experience six basic emotions—happiness, sadness, anger, fear, disgust, and surprise—and use the same set of facial movements to express them. What's more, we can recognize emotions on another's face, whether that person hails from Boston or Borneo.

The only problem with this concept, according to Northeastern University Distinguished Professor of Psychology Lisa Feldman Barrett, is that it isn't true at all.

For nearly two decades, Barrett has been tracking down the research that established this misconception and wouldn't rest until she actually performed the experiments to disprove it.

In two research papers, recently and soon to be published in the journals Psychological Science and Emotion, respectively, she's finally done exactly that. The new research calls into question the very foundations of emotion science. As Barrett found, "Emotions are not universally perceived. Everything that's predicated on that is a mistake."

Here's how the falsity came to be understood as fact. In the 1970s, a young psychologist named Paul Ekman traveled to Papua New Guinea to test whether emotions were universally experienced and expressed as he suspected. To test his hypothesis, he looked at whether people recognized the same emotions in around the world. Was a scowling face always classified as angry regardless of the observer's cultural background? A pouting face as sad?

He showed Americans, as well as people in the remote south seas island who'd had little exposure to Western culture, a series of photographs depicting caricatured expressions and asked his subjects to match the faces to one of six emotion words or stories depicting emotional scenarios. No matter where they came from, Ekman's subjects saw the same emotions reflected in the same photographs.

But Barrett knew from her own research that context plays an enormous role in the way we perceive each other's facial expressions. She wondered whether the constraints that Ekman put on his subjects—asking them to match images to finite categories and rich stories about emotional events rather than freely sort them at will—might in fact create the result he expected to find.

Enter Maria Gendron, a post-​​doctoral researcher in Barrett's lab. In the fall of 2011, Gendron and a few other members of the team boarded a plain to Namibia, then hopped in a Toyota 4x4 for an hours long, off-​​road ride to one of the most remotely situated tribes on the continent. The Himba, Gendron said, were as little acclimated to Western culture as she could find.

She spent the next 18 days—and then another 20 during the spring of last year—sleeping in a tent atop the car by night and searching for universal emotions by day. She didn't find any.

Gendron looked at both facial expressions and vocalizations, hypothesizing that if emotion truly is universally recognizable, the medium of expression shouldn't matter.

First Gendron gave her subjects 36 photos of faces (six people posing each of six expressions) and asked them to freely sort the photos into piles based upon similar facial expression.

"A universal solution would be six piles labeled with emotion words," Barrett said. "This is not what we saw." Instead the participants created many more than six piles and used very few emotion words to describe them. The same photo would end up in various piles, which the subjects labeled as "happy," "laughing," or "kumisa," a word that roughly translates to wonder.

The vocalizations fared no better. This time, Gendron asked people to freely label the sounds. Again, few emotion words were used. The same sounds seemed gleeful to some subjects and devastated to others.

Finally, Gendron and Barrett repeated the experiment back in Boston, so they could compare the results to a group living in Western culture. The results were significantly different. "The participants in Boston were able to label the expressions with the expected terms but fared better when the words were provided as part of the task," Gendron said. This indicates that what were assumed to be "psychological universals" may in fact be "Western"—or perhaps even "American"—cultural categories, she said.

Explore further: Written all over your face: Humans express four basic emotions rather than six

More information: Psychological Science February 5, 2014 0956797613517239 DOI: 10.1177/0956797613517239

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RobertKarlStonjek
not rated yet Mar 05, 2014
There has been a swing from one extreme: universal emotional expression, to another extreme: no universal expression. Both are likely to be wrong.

There is little doubt that these remote people laugh when happy but not when sad. This is universal. It appears that the tribal people examined did get the emotion categories correct but did not use the same words to do so ie for happy they used 'happy' and 'laughing', a mixture of descriptions of what the person is doing (laughing) and their internal state (happy).

Westerners would know to only include the internal state and nothing else. This is where they went wrong, not in the classification as such.

I'd agree that sis basic emotions is too narrow and that emotional expression is more fluid and contextual. But there is plenty of universals and extremely likely that there is a common locus running all the way down to the genes. Emotion modulated by culture and especially by one's personality is far more difficult to discern.
RobertKarlStonjek
not rated yet Mar 05, 2014
Thus we have basic emotional expression; modulated culturally; modulated via personality; and contextual variations. The least changeable is the basic form, the most transient is the contextual ie there may be subtle variations on every instance of a smile. If stressed we are compelled to express at an ever more fundamental level eg if you lightly tap you finger with a hammer you might make funny grimaces through the pain to entertain your friends. But if the pain is bad enough then you cry out in pain with little conscious control if any.

As for the 'study', the error of the Ekman work was that he was looking only at universals, the second was looking only for the opposite of the Ekman and they were both looking for correlations to their model and structured their study accordingly. Science should investigate the phenomena to find out which model is correct, not to prove that a study can be set up to confirm a preconception ~ we already know that this is possible.
Artemciy
not rated yet Mar 13, 2014
This study mostly shows that different people have different priorities when classifying things.

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