Every Brain Glitch Explained (What Causes Each One)

Added: 2026-05-06

Intrusive thoughts are not a sign of mental illness but rather a normal brain function where the prefrontal cortex monitors mental state by briefly simulating forbidden thoughts to check their presence, which paradoxically activates the very pathways it's trying to avoid, making suppression counterproductive; this mechanism is universal across cultures, with approximately 94% of people experiencing intrusive thoughts, though the specific content varies by individual.