SMRTR Science & EngineeringFeb 19, 2026The Guardian

Inside voice: what can our thoughts reveal about the nature of consciousness?

SMRTR summary

Psychologist Russell Hurlburt developed a method using random beepers to capture people's thoughts at unexpected moments, revealing that most people know surprisingly little about their own consciousness. His 50-year research shows inner speech occurs in fewer than 25% of mental moments, with many thoughts being wordless images or concepts, challenging assumptions that we think primarily in words.

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