Loneliness: Your Brain's Forgotten "Survival Instinct"

We usually think of loneliness as an emotion. Emerging neuroscience suggests it's closer to hunger—a biological signal that something essential for survival is missing. The human brain evolved in cooperative social groups, where safety depended on connection. According to Social Baseline Theory, our brains expect supportive relationships because they reduce the cognitive and physiological effort required to navigate the world. When those relationships are absent, the brain reallocates resources towards vigilance and self-protection, increasing our sensitivity to stress and threat (Coan & Sbarra, 2015).

This helps explain why chronic loneliness is far more than an unpleasant feeling. Emerging research links persistent loneliness with increased risk of depression, anxiety, cardiovascular disease and earlier mortality. For people living with relational trauma or attachment wounds, the dilemma is especially painful: the very connection they long for can also feel unsafe (Mann et al., 2022; Holt-Lunstad et al., 2015).

​​This is where singing becomes surprisingly powerful. Group singing synchronises breath, rhythm and attention, creating conditions that promote trust, belonging and emotional safety. Forbes (2024) suggests that singers can become "positively energising leaders" who strengthen community connection. For those recovering from loneliness or trauma, finding your voice may also be a way of finding your way back to each other.

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Coan, J. A., & Sbarra, D. A. (2015). Social Baseline Theory: The social regulation of risk and effort. Current Opinion in Psychology, 1, 87–91. https://doi.org/10.1016/j.copsyc.2014.12.021
Forbes, M. (2024). Addressing the global crisis of social connection: Singers as positively energising leaders who create belonging in our communities. Voice and Speech Review, 1–17. https://doi.org/10.1080/23268263.2024.2339384
Holt-Lunstad, J., Smith, T. B., Baker, M., Harris, T., & Stephenson, D. (2015). Loneliness and social isolation as risk factors for mortality: A meta-analytic review. Perspectives on Psychological Science, 10(2), 227–237. https://doi.org/10.1177/1745691614568352
Mann, F., Wang, J., Pearce, E., et al. (2022). Loneliness and the onset of new mental health problems in the general population: A systematic review. Social Psychiatry and Psychiatric Epidemiology, 57, 2161–2178. https://doi.org/10.1007/s00127-022-02261-7