Have you ever noticed that some of the brightest people you know prefer a quiet evening alone to a big night out? It turns out there may be a scientific explanation for that, and it has to do with how our brains evolved.
Researchers have found that people with higher IQs tend to get less satisfaction from frequent socializing, which may help explain why they often keep a smaller circle of friends. AdmiGram.com breaks down what the research says and what it doesn’t really prove.
Why High-IQ Individuals Often Have Fewer Friends
The Answer May Lie in Our Ancestors’ Way of Life
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The idea comes from The Savanna Theory of Happiness, an evolutionary psychology hypothesis. It suggests that our sense of happiness was shaped by the environment in which early humans lived for thousands of years: small groups of hunter-gatherers on the open savanna.
That’s why many of us still feel happiest in situations that resemble those ancient conditions, such as spending time with close friends. Even though we now live in big cities surrounded by technology, our instincts haven’t entirely caught up.
Why High IQ May Change the Equation
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In 2016, psychologists Norman Li and Satoshi Kanazawa analyzed survey data from about 15,000 young adults in the US. They found that, on average, people were happier when they spent more time with friends, and less happy when they lived in more crowded areas.
But the pattern looked different for people with higher IQs. For them, frequent socializing was not linked to greater life satisfaction, and in some cases it was linked to lower satisfaction. The researchers suggested that more intelligent people may adapt more easily to modern life and rely less on the “tribe” than our ancestors did.
Solitude Can Be a Source of Fulfillment
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Carol Graham, a researcher at the Brookings Institution who studies The Economics of Happiness, has suggested that smart people often spend much of their time working toward long-term goals. They tend to find satisfaction in activities that lead to real results.
Think of a scientist working on a new medical treatment or a writer finishing a novel. Both need long stretches of focus, and frequent socializing can pull them away from the work that makes them happiest.
Of course, this doesn’t mean that having fewer friends makes you a genius, or that smart people don’t need anyone. The effect found in the study was modest, and it describes averages, not individuals. But it does suggest that for many people with high IQs, time alone isn’t loneliness. It’s simply what helps them thrive.
image on top: Green Liu / Unsplash
