Is Atheism Natural?

A personality profile.

For half a decade, the cognitive science of religion has argued that our tendency to believe there’s a tiger in the rustling bushes also leads us to believe there’s a supernatural God in the sky.  Our high-strung ancestors who assumed there was a predator behind snapping twigs or rustling bushes were more likely to survive than their laidback, and more often right, cousins. The argument that assumes this adaptive trait led to religious belief is called the Hyperactive Agency Detection Device hypothesis or simply HADD: what helped us thrive as hunters and gatherers has translated into belief in the supernatural. This burgeoning field has deep and convincing explanations, but if belief in a supernatural being is our cognitive default, does that mean that atheists are aberrations of evolution?

Many psychologists have argued yes. Jesse Bering and Justin L. Barrett, psychologists working in the cognitive science of religion, are two of the more vocal advocates. They each argue that our brains have been programmed by evolution to believe in supernatural entities. In other words, our cognitive defaults are set to religious belief in a supernatural über-mind (or minds) guiding the world. Which means that atheists are constantly working against the mind’s tendency to believe that coincidences are meaningful or that there is indeed a tiger in the bush. Their argument adds “unnatural” to the atheist’s already prodigious list of defamations.

For a long time sociologists have held a more favorable, or at least neutral, view of atheists. What is natural depends entirely on the culture you find yourself in. So non-belief may be completely natural in some cultures but not others. What makes a conducive culture for non-belief can vary widely. A thoroughly secular culture may foster non-belief, but a culture where religion is expressed in a hateful way may also lead to atheism. Predicting how a culture will guide personalities is incredibly complex.

But in a recent article for Religion, Brain, & Behavior, Catherine Caldwell-Harris, a psychologist at Boston University, offers a helpful first step. Past research has linked agreeableness and conscientiousness with belief. In her work, Caldwell-Harris has gathered the personality traits that facilitate non-belief. Given a conducive culture, someone with these traits is likely to be an atheist. The added benefit of this understanding is that it explains away the nasty assumption that atheists are unnatural.

To create this profile, she’s pulled from research in sociology and psychology and condensed the findings into three categories: atheists are likely to be highly individualistic, systematic thinkers, with a penchant for pragmatism. Of course this profile is no guarantee of non-belief, but it’s a good predictor.

Individualism is not just the tendency to dislike family picnics (although research confirms that atheists are less enthusiastic about such gatherings!). This category also involves an internal locus of control and tendency towards non-conformity. On “Big Five” personality questionnaires, atheists rank more open to new experience than believers which often translates into individualism. All that is very glowing, but the downside of individualism is that non-believers report receiving less social support than believers.

If you ask atheists why they don’t believe in God, their systematic thinking will shine. In their 2006 groundbreaking study of nonbelievers, Hunsberger and Altemeyer, two Canadian psychologists, recorded the responses: “How is it possible that people who had just crossed the Red Sea and eaten manna from heaven built a golden calf just because their leader was a few hours late returning from his appointment with the Almighty? Why was genocide OK for King Saul but not for Hitler?” This response is exceptionally feisty, but it highlights the common use of rationality that most atheists appeal to when dismissing belief. This fondness for logic and skepticism also helps explain the over-representation of atheists in academia and scientific fields.

Being drawn to science is all the more likely given what Caldwell-Harris describes as a focus on “pragmatic here-and-now problem solving.” This trait is especially important for reversing the stereotype that non-believers are not concerned with the meaning of life. Instead of finding meaning by investing the everyday with a sense of the sacred, atheists tend to find meaning in the here-and-now, in this world. This characterization is supported by previous research arguing that secular people are more concerned about social justice, environmentalism and a more inclusive altruism. Humanists won’t be surprised by this category.

In fact, none of these traits are particularly surprising. They certainly don’t guarantee non-belief, but these strands of personality give a fair characterization of the vocal atheists in our culture and their less vocal counterparts living right next door.

Most importantly, this profile helps argue that atheism is an expectable worldview. In other words, it is just as natural as belief. Certain traits may have had an evolutionary advantage in the past, but diversity is the fodder of evolution. The diversity of personalities in our communities is not only adaptive – this diversity gives our social fabric its beauty. Caldwell-Harris makes the convincing case that atheists are one expected, natural strand in the fabric of a community. Perhaps the health of a community can be judged by how freely these personalities are able to express themselves.

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8 Replies to “Is Atheism Natural?”

  1. Hey Jonathan, great article. I am curious about atheists as pragmatists. One of the questions I have worked with in my search for spirituality is how to answer “Life Questions” without a concept of the sacred. If the focus is on the here and now, how are existential questions best answered? Or does the propensity towards the here and now shy the pragmatism away from being concerned with questions of life’s meaning and direction?

    1. Thanks Phil!
      The important part of the pragmatic bit, is the focus on the here-and-now. Believers often create meaning by reference to what they feel to be sacred: that’s why reading the bible may be more meaningful for them than reading The Road (which I take to be a holy book!). I’m thinking that atheists are tuned to find meaning in the activity itself: altruism simply for altruism’s sake; discovery in science simply for the thrill and excitement of curiosity. I think that sort of satisfaction can deeply answer the questions of life’s purpose for many people… Who that works for and who it doesn’t may just be a difference in personality.

  2. I think there also might be a cultural/developmental aspect to it. In a context where religious answers are cultivated from the earliest age, a person’s psychology can be constructed with a religious bent. Once the worldview is constructed under a religious paradigm, it is difficult to remove the sacred from a person’s psychology because the sacred is so intricately tied to everything a person knows.

    1. Definitely! My next piece is on that, but our personalities are very strongly shaped by culture and experiences. Personality may give us certain dispositions, but culture and development are tremendous influences. It’s the whole nature & nurture thing.

  3. For that matter, one could just as well claim that consciousness, intelligence and civilization are not “natural.”

    1. Yea, I’m pretty wary of any sharp distinction between the natural and unnatural. What would we even mean by unnatural? Most of those distinctions seem to set us as humans apart from the natural world. Whether that’s a deep terror management strategy or simply a visceral reaction against plastic shit is a whole other question.

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