cognition

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Neurons, action potentials, brain regions, plasticity, and the science behind consciousness — a clear neuroscience primer.

When an AI generates something beautiful and novel, is that creativity? The answer depends on which definition you use, and on whether anyone is home.

Crows make tools, plan for the future, recognize 500+ human faces, and hold grudges for years. Their intelligence rivals great apes — in a 400-gram brain.

Dogs can read human emotions, follow pointing gestures, and understand hundreds of words — abilities even our closest primate relatives often lack.

Your brain peaks at different ages for different skills, and some abilities actually improve with age. The neuroscience of brain aging is far more nuanced than the simple story of decline.

Language is the most complex thing the human brain does. Understanding how neurons transform thought into speech, and speech back into thought, reveals what makes us uniquely human.

Why does anything feel like anything at all? The hard problem of consciousness may be the deepest unsolved question in all of science — and neuroscience is just beginning to grapple with it.

Sleep feels passive, but your brain is doing some of its most critical work while you're unconscious — consolidating memories, regulating emotion, and possibly clearing waste.

Elephants remember watering holes used decades ago and recognize family members after 23 years apart. Here's the science behind that.

The Sapir-Whorf hypothesis suggests language shapes thought. What if this were true at an extreme — if the structure of language completely determined cognition? People speaking different languages would literally think differently, with no way to fully translate between languages. Reality itself would become language-dependent.

Your brain has 86 billion neurons firing at 1,000 trillion connection points. Here's a tour of how it actually generates everything you think, feel, and remember.