Openness to Experience

What Is Openness to Experience?

Openness to Experience reflects the depth, complexity, and quality of a person's mental and experiential life. People high in Openness are drawn to novelty, beauty, and abstract ideas. Those lower in Openness prefer the familiar, practical, and concrete.

Among the Big Five traits, Openness has a unique neurobiological basis. Research links it to the dopaminergic system — the brain's reward circuitry. Colin DeYoung and colleagues found that dopamine release, triggered by novelty and cues of potential reward, drives the exploratory behavior characteristic of high Openness.[1] Activity in the dorsolateral prefrontal cortex — a brain region involved in working memory and abstract reasoning — is also associated with higher Openness scores.

Openness also correlates more strongly with intelligence than any other Big Five trait, particularly verbal and crystallized intelligence (r = 0.44).[2] However, Openness and intelligence are distinct constructs — Openness reflects a motivation to explore, while intelligence reflects an ability to process information.

The Six Facets of Openness

Openness is not a single, monolithic trait. Costa and McCrae's NEO PI-R breaks it into six distinct facets, which cluster into two groups[3]:

High vs. Low Openness

Neither high nor low Openness is inherently better — each comes with distinct strengths and potential challenges.

Openness and Creativity

Openness is the Big Five trait most consistently and strongly linked to creativity. This connection has been documented across multiple research traditions.

Feist's 1998 meta-analysis — the first major synthesis of personality and creativity research — found that Openness had the strongest and most consistent effect sizes across both artistic and scientific creative achievement. Creative individuals scored significantly higher on Openness than non-creative individuals, regardless of domain.[4]

Kaufman et al. (2015) studied 1,035 participants across four demographically diverse samples and made an important distinction: Openness (the aesthetic/experiential facets) predicts creative achievement in the arts, while Intellect (the intellectual/exploratory facets) predicts creative achievement in the sciences.[5]

A recent meta-analysis confirmed a significant relationship between divergent thinking — the ability to generate many different ideas — and Openness (r = 0.20, 95% CI [0.18, 0.22]).[6]

Openness in the Workplace

Unlike Conscientiousness — which predicts job performance universally — the career implications of Openness are more context-dependent.

Barrick and Mount's 1991 meta-analysis found that Openness is a valid predictor of training proficiency across occupations — open individuals learn faster and absorb new information more readily.[7] However, it is not a strong general predictor of day-to-day job performance.

The picture changes over time. Research shows that open individuals may not outperform colleagues when first starting a job, but their performance increases to a greater extent over the long term as they acquire more job knowledge and respond more adaptively to their work environment.[8]

Recent research by Wright (2025) found that Openness is especially valuable in remote work environments, where the ability to self-direct, adapt to novel situations, and maintain engagement without external structure becomes critical.[9]

Openness in Relationships

Openness influences relationships in nuanced and sometimes paradoxical ways.

Cross-sectional studies show a small but positive correlation between Openness and relationship satisfaction (ρ = 0.10).[10] Couples where both partners are high in Openness tend to bond over shared exploration — travel, new cuisines, intellectual discussions, creative projects.

However, longitudinal research reveals a more complex picture. Over longer time periods, Openness can be negatively associated with a partner's relationship satisfaction.[10] The likely reason: a constant need for novelty can create instability. The highly open partner may grow restless in routines that the relationship depends on.

Openness and Mental Health

Openness has a unique and paradoxical relationship with mental health that distinguishes it from the other Big Five traits.

The surprising finding: Meta-analytic evidence shows that Openness is the only Big Five trait essentially unrelated to psychiatric diagnosis. Unlike Neuroticism (which strongly predicts anxiety and depression) or low Conscientiousness (linked to substance use disorders), diagnostic groups do not differ from healthy controls on Openness.[11]

Yet the picture is more complex than "Openness is neutral for mental health." Research suggests a dual-edged nature:

• Protective side: People high in Openness actively seek out new activities and experiences, which buffers against depression. Their tendency to explore new coping strategies and their willingness to seek therapy when needed can be protective.
• Vulnerability side: Major stressful life events can enhance Openness, which is associated with both intellectual growth and increased vulnerability to certain psychopathological experiences — unusual perceptual experiences, absorption, and fantasy-proneness.[11]

In workplace settings, Openness has been found to buffer against the mental health effects of ostracism and workplace bullying, likely because open individuals have more diverse coping resources and broader support networks.

Openness, Cognitive Aging, and the Brain

One of the most striking findings in Openness research concerns its relationship with cognitive aging — and this is where the trait may have its most profound practical significance.

Individuals high in Openness tend to build stronger cognitive reserve — the brain's resilience against pathology. A 13-year longitudinal study found positive effects of Openness on cognitive aging in middle-aged and older adults.[12] Higher Openness was associated with significantly better performance on all cognitive tests, even after adjusting for education and cardiovascular disease.

The mechanism appears to be activity engagement: open individuals maintain more intellectually stimulating activities throughout life — reading, learning new skills, engaging with art and ideas — which builds the cognitive reserve that protects against decline. Research has shown that cognitive reserve mediates the relationship between Openness and smaller declines in executive functioning.[13]

Conversely, lower Openness in older adulthood is associated with worse cognitive function and increased risk of incident dementia.

Genetics and Heritability

Openness is the most heritable of the Big Five traits. Bouchard and McGue's 2003 meta-analysis of four twin studies found a mean heritability of 57% — notably higher than the typical 40–50% range for other personality traits.[15]

This may seem counterintuitive — many people assume that curiosity and open-mindedness are learned rather than innate. But the genetic evidence is consistent: twin studies by Jang, Livesley, and Vernon (1996) found substantial genetic influence on Openness with little evidence of shared rearing environment effects.[16] In other words, growing up in the same family does not make siblings more similar in Openness beyond their shared genetics.

At the molecular level, genetic variation in the prefrontal dopamine system specifically predicts Openness/Intellect, providing a biological pathway from genes to the exploratory behavior that defines this trait.[1]

Can You Change Your Openness?

Yes, though Openness follows a different trajectory than most Big Five traits. Roberts, Walton, and Viechtbauer's 2006 meta-analysis of 92 longitudinal samples found that Openness increases during adolescence, peaks around age 21, then gradually declines after age 40–50.[17]

Unlike Conscientiousness and Agreeableness — which increase steadily with the "maturity principle" — Openness moves in the opposite direction in later life. This may reflect a natural narrowing of focus toward the familiar and meaningful.

However, deliberate effort can increase Openness at any age:

• ‣Travel to unfamiliar places and engage with different cultures
• ‣Learn a new skill outside your comfort zone (an instrument, a language, a craft)
• ‣Read widely across genres and disciplines you normally avoid
• ‣Practice mindfulness and meditation — some studies show these increase Openness
• ‣Engage with art: visit galleries, attend concerts, read poetry
• ‣Have conversations with people who hold very different views from yours
• ‣Try new foods, activities, and routines regularly

Given the cognitive aging research, maintaining or increasing Openness in midlife and beyond may have real health benefits — building the cognitive reserve that protects against decline.

References

1. [1] DeYoung, C. G., Peterson, J. B., & Higgins, D. M. (2005). Sources of Openness/Intellect: Cognitive and neuropsychological correlates of the fifth factor of personality. Journal of Personality, 73(4), 825–858. See also: DeYoung, C. G. (2013). The neuromodulator of exploration: A unifying theory of the role of dopamine in personality. Frontiers in Human Neuroscience, 7, 762.
2. [2] Schretlen, D. J., van der Hulst, E. J., Pearlson, G. D., & Gordon, B. (2010). A neuropsychological study of personality: Trait openness in relation to intelligence, fluency, and executive functioning. Journal of Clinical and Experimental Neuropsychology, 32(10), 1068–1073.
3. [3] McCrae, R. R., & Greenberg, D. M. (2014). Openness to Experience. In D. K. Simonton (Ed.), The Wiley Handbook of Genius (pp. 222–243). Wiley.
4. [4] Feist, G. J. (1998). A meta-analysis of personality in scientific and artistic creativity. Personality and Social Psychology Review, 2(4), 290–309.
5. [5] Kaufman, S. B., Quilty, L. C., Grazioplene, R. G., Hirsh, J. B., Gray, J. R., Peterson, J. B., & DeYoung, C. G. (2015). Openness to experience and intellect differentially predict creative achievement in the arts and sciences. Journal of Personality, 84(2), 248–258.
6. [6] Lebuda, I., Karwowski, M., & Beghetto, R. A. (2023). Big Five personality traits and divergent thinking: A meta-analysis. Personality and Individual Differences, 215, 112382.
7. [7] Barrick, M. R., & Mount, M. K. (1991). The Big Five personality dimensions and job performance: A meta-analysis. Personnel Psychology, 44(1), 1–26.
8. [8] Thoresen, C. J., Bradley, J. C., Bliese, P. D., & Thoresen, J. D. (2004). The Big Five personality traits and individual job performance growth trajectories in maintenance and transitional job stages. Journal of Applied Psychology, 89(5), 835–853.
9. [9] Wright, B. E. (2025). Personality and job performance in all-remote public service workforces. Canadian Public Administration. doi:10.1111/capa.70017
10. [10] Claxton, A., O'Rourke, N., Smith, J. Z., & DeLongis, A. (2012). Personality traits and marital satisfaction within enduring relationships. Journal of Social and Personal Relationships, 29(3), 375–396.
11. [11] Widiger, T. A., & Oltmanns, J. R. (2017). Neuroticism is a fundamental domain of personality with enormous public health implications. World Psychiatry, 16(2), 144–145. See also: Kotov, R., et al. (2010). Linking "big" personality traits to anxiety, depressive, and substance use disorders: A meta-analysis. Psychological Bulletin, 136(5), 768–821.
12. [12] Ziegler, M., Cengia, A., Mussel, P., & Gerstorf, D. (2019). Openness as a buffer against cognitive decline: The Openness–Fluid–Crystallized–Intelligence (OFCI) model applied to late adulthood. Psychology and Aging, 34(6), 790–800.
13. [13] Franchow, E. I., Suchy, Y., Thorgusen, S. R., & Williams, P. (2013). More than education: Openness to experience contributes to cognitive reserve in older adulthood. Journal of Aging Science, 1(2), 1–8.
14. [14] Wagner, J., Ram, N., Smith, J., & Gerstorf, D. (2016). Personality trait development at the end of life: Antecedents and correlates of mean-level trajectories. Journal of Personality and Social Psychology, 111(3), 411–429.
15. [15] Bouchard, T. J., & McGue, M. (2003). Genetic and environmental influences on human psychological differences. Journal of Neurobiology, 54(1), 4–45.
16. [16] Jang, K. L., Livesley, W. J., & Vernon, P. A. (1996). Heritability of the Big Five personality dimensions and their facets: A twin study. Journal of Personality, 64(3), 577–591.
17. [17] Roberts, B. W., Walton, K. E., & Viechtbauer, W. (2006). Patterns of mean-level change in personality traits across the life course: A meta-analysis of longitudinal studies. Psychological Bulletin, 132(1), 1–25.