The Neuroscience of Being Human
The Neuroscience of Loneliness in Later Life
Why the brain processes social isolation as a threat to survival, how loneliness rewires the brain towards hypervigilance and withdrawal, and what the neuroscience reveals about the epidemic that is killing more people than obesity
1,108-word article with 8 Harvard references.
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Loneliness is not merely unpleasant. It is dangerous. The brain processes chronic social isolation as a threat to survival, activating the same stress response systems that evolved to protect against physical danger, and the sustained activation produces measurable damage to cardiovascular, immune, and cognitive function. This fully referenced article explores the neuroscience of loneliness in later life, examines how the lonely brain becomes trapped in a self-reinforcing cycle of hypervigilance and withdrawal, and argues that loneliness in the sixties is not a personal failure but a public health crisis that requires neurologically informed intervention.
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