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Depression isn't just sadness. It's a neuropsychiatric disorder that shuts down motivation at the brain level. Depression disrupts the systems that regulate mood, motivation, and reward. Making even simple tasks feel impossible. This isn't laziness or weakness. It's the nervous system failing to function properly. Neurologically, key brain regions are altered. The prefrontal cortex becomes less active, weakening emotional control and stress regulation. At the same time, the amygdala turns hypera