On Point with Meghna Chakrabarti

You might think a healthy brain starts and ends in your head – but there are miles and miles of neuron fibers that connect your brain with nearly every corner of your body. Why a healthy brain needs a healthy body.

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A tunnel. A bright light. Reuniting with deceased loved ones. Many people who have near-death experiences have remarkably similar stories. Why?

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The rate at which artificial intelligence is able to replicate human behavior has increased in recent years. Does that mean it's thinking like us?

In the third episode of "Brainwaves," what artificial intelligence teaches us about our own capacity for thought.

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Consciousness is how we are able to feel, dream and imagine. And yet -- scientists haven't figured out how consciousness definitively works. What we know, what we don’t and what that tells us about our brains.

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The brain is the organ that makes us who we are. It’s our conduit between reality and thought. But somehow, we’ve only scratched the surface in understanding how the brain actually works.

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