You've Been Talking to Yourself Your Entire Life — Here's Why

There is a voice in your head reading these words right now. It has been there every waking hour since childhood. And most people never think to ask where it came from. This video traces the science of inner speech — from Vygotsky's dying experiment in a Moscow nursery to brain scans at Durham, to a Las Vegas psychologist who beeped strangers at random for decades. You'll learn why the voice sounds like you, whose voice it actually is, and what happens when it turns against you. TIMESTAMPS: 0:00 — You can't unhear it now 0:45 — A dying man in Moscow, 1934 1:19 — The voice didn't disappear 2:09 — How often is it actually there? 3:01 — People with no inner voice at all 3:26 — What the voice is actually doing 4:30 — Whose voice is it really? 5:02 — How to use it against stress 5:47 — When the voice attacks 6:35 — The voice as two people at once 7:34 — What this means about you SOURCES: — Vygotsky, L.S. (1934/1987). Thinking and Speech. In R.W. Rieber & A.S. Carton (Eds.), The Collected Works of L.S. Vygotsky, Vol. 1. Plenum Press. — Fernyhough, C. (2016). The Voices Within: The History and Science of How We Talk to Ourselves. Basic Books. — Hurlburt, R.T. & Akhter, S.A. (2006). The Descriptive Experience Sampling method. Phenomenology and the Cognitive Sciences, 5(3–4), 271–301. DOI: 10.1007/s11097-006-9024-0 — Kross, E. et al. (2014). Self-talk as a regulatory mechanism: How you do it matters. Journal of Personality and Social Psychology, 106(2), 304–324. DOI: 10.1037/a0035173 — Kross, E. (2021). Chatter: The Voice in Our Head, Why It Matters, and How to Harness It. Crown. — Nedergaard, J.S. & Lupyan, G. (2024). Not everybody has an inner voice: Behavioral consequences of anendophasia. Psychological Science. DOI: 10.1177/09567976241243004 science explained, psychology, human evolution, ancient humans, deep history, consciousness, neuroscience, big questions, existential, lost civilizations, what happens when you die, how the brain works, stick figure animation, animated documentary, mind blowing facts, human origins, dark history, prehistory, did you know, why we are the way we are