Mind Games

Examining the intersection of psychology and digital entertainment

The Walking Dead, Mirror Neurons, and Empathy

Why does The Walking Dead video game elicit empathy so well?

Alternate title: Why You Shouldn't Play The Walking Dead While Biting Down on a Pencil

Oh man, have you all been playing The Walking Dead from Telltale Games? I have, and with every monthly installment of this episodic game I'm newly impressed by how hard it yanks on my emotions. Like the comic that spawned it, the game is unapologetically bleak, its appeal largely comes from watching characters that you identify with and care for getting crammed into really bad situations from which some of them just won't emerge—unless they do so groaning and hungering for brains. Like many horror stories, it's appealing the way a rollercoaster is appealing. The characters are full of despair, heartbreak, anxiety, regret, and desperation.

And the amazing thing is that the game gets me to feel all those emotions too. I'm glad that the game comes in monthly installments, because every episode leaves me feeling bummed out and drained in the way that good, cathartic fiction does. I need the time between episodes to recover. But why is that? By what psychological, neurological, and biological mechanisms do video games like The Walking Dead get us to not only empathize with characters onscreen, but also share their emotions?

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For the answer, let us start, as we so often do, with tiny Italian monkeys.

Years ago, neuroscientists in the Italian city of Parma were conducting experiments on macaque monkeys in order to understand the functions of individual brain cells. This involved inserting wires into the brain so that the researchers could detect activity in cells related to functions like grasping and bringing food to little monkey mouths. As researcher Marco Iacoboni notes in his 2008 book Mirroring People: The New Science of How We Connect With Others, stories of a particular breakthrough are varied and apocryphal, but most of them involve a monkey wired up and awaiting his next round of experiments. In walks a researcher, who then reaches out and grasps something of interest to the monkey, like a piece of fruit or a big red button marked "ACTIVATE TO FREE ALL MONKEYS."

Suddenly the researcher noticed that according to the equipment hooked up to the monkey's brain, neurons were firing that were associated with grasping motions, even though the animal had only seen something being grasped. This was odd, because normally brain cells are very specialized and nobody knew of any neurons that would activate both when performing an action or when seeing someone else perform the same action.Yet here the monkey was, blithely firing neurons previously only associated with performing motor actions while just sitting still and watching.

 

Thus was the first observation of a mirror neuron in action, a brain cell set apart from many of its peers and which are also present in human brains. It turns out that many researchers like the aforementioned Dr. Marco Iacoboni, professor of psychiatry and behavioral sciences at UCLA, believe that mirror neurons are important for our ability to empathize with things we see, like the plight of poor Lee and Clementine in The Walking Dead. "Mirror neurons are motor cells," Iacoboni tells me. "That is, they send signals to our muscles to move our body, make actions, grab a cup of coffee, smile, and so on. However, they differ from other motor cells because they are also activated by the sight of somebody else's action." For example, a mirror neuron for grasp is fired when I grab an Xbox controller, but also when I see my friend grabbing a controller. "By being active even when we do not move at all and simply watch other people moving, they sort of create an inner imitation of the actions of others inside us."

Curious about exactly how this phenomenon works, Iacoboni and his colleagues conducted a study (Carr, Iacoboni, & Dubeau, 2003) where they used very expensive equipment to monitor the brain activity of subjects who watched images of faces expressing different emotions. As expected, mirror neuron areas activated when people saw the expressions, and so did the limbic system, a portion of the brain known to be related to emotions. In short, upon seeing facial expressions, mirror neurons fired as if the subjects were making those expressions themselves, then triggered activity in the brain's emotional centers so that subjects could actually feel the emotion being imitated.

Iacoboni notes that this process "puts us immediately in 'somebody else's shoes,' in an effortless, almost automatic way. This is why we get so immersed in the movies we watch and the novels we read." When we see Lee Everett or any of the other Walking Dead characters grimace in disgust, our mirror neurons for grimacing activate as if we were making that expression ourselves. And because of that inner imitation, we actually do feel the emotion to some degree and thus understand what the other is feeling.

I think this is one of the reasons why The Walking Dead is so good at eliciting emotions: it frequently shows us the faces of the characters and lets us see all the work put into creating easily recognizable and convincing facial expressions. And so it's not the zombies that elicit dread in us. Instead it's things like the face that Kenny makes when Lee tells him to make a hard decision about his family. "We spend a ton of time on the facial animations for the characters in the game," The Walking Dead's creative lead Sean Vanaman said when I asked him about this. "After writing the first episode we start to make lists of the type of things characters are going to feel in the story and then start to generate isolated facial animations to convey those moods and emotions. Those are then used throughout the game."


But it's not just seeing an expression and imagining ourselves mirroring it. In the 2004 study cited above, Iacoboni and his colleagues also had some subjects physically imitate the expressions they were seeing and the cascade of mental activity increased. This suggests that actively imitating expressions helps us better empathize and understand, and it's part of a fairly established line of research called the "facial feedback hypothesis." For example, in one 2005 study, researcher Paula Niedenthal had two groups of subjects look at the facial expressions of other people One group, however, was made to hold a pencil between their teeth, which severely limited their ability to mimic the expressions they saw. The result was that those clenching the pencils in their mouths were less able to detect emotional changes in the faces they observed because the lack of mimicry short circuited their brain's ability to replicate facial expressions, feel the emotions themselves, and then recognize it in others.

So, I suppose the moral of all this is that if you really want to get the full effect from The Walking Dead, don't cover your eyes and peek between your fingers in a way that inhibits your ability to mimic the expressions you see on screen. Your mirror neurons don't appreciate that when they're trying to get your to replicate expressions of crippling, existential doom.

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REFERENCES

Carr, L., Iacoboni, M., & Debeau, M. et al. (2003). Neural mechanisms of empathy in humans: A relay from neural systems for imitation to limbic areas. Proceedings of the National Academy of Sciences USA, 100, 5497-5502.

Iacoboni, M. (2008). Mirroring people: The new science of how we connect with others. New York: Farrar, Straus and Giroux.

Niedenthal, P., Barsalou, L., & Winkelman, P. et al. (2005). Embodiment in attitudes, social perception, and emotion. Personality and Social Psychology Reviews, 9, 184-211.

Jamie Madigan, Ph.D. is an industrial-organizational psychologist, writer, and life-long video game enthusiast.

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