The Neuroscience of Emotions
The Neuroscience of Loneliness
Social pain pathways, hypervigilance and the immune system: how perceived social isolation rewires the brain for threat detection
995-word article with 10 Harvard references.
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Loneliness is not simply the absence of company. It is a neurobiological alarm state that the brain generates when perceived social connection falls below the level needed for safety. This article explores how loneliness activates pain circuits, rewires threat detection, impairs immune function, and what neuroscience reveals about the difference between being alone and feeling alone.
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