Weird Brain Myths from History!
Some ideas about the brain that seem weird now–They also shaped modern neuroscience. My Twitter: https://twitter.com/nessyhill | Instagram: https://instagram.com/nessyhill/ SUBSCRIBE to...
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This is what a single brain cell, or neuron, really looks like. It’s pretty crazy we can take a picture of it. But… for a long time we couldn’t see and didn’t quite understand that tangle of neurons inside your head. And some people thought we didn’t need a brain at all. Back in Ancient Egypt, people believed the brain was just stuffing to keep the skull from caving in. During mummification, brains were often removed and discarded while the heart was taken with you to the afterlife. Ancient Egyptians believed the heart was the seat of consciousness – an idea called the cardiocentric hypothesis. In Ancient Greece, Alk-me-en dissected an eye and discovered the optic nerve. He thought there were connections from our sensory organs to the brain. So A...
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This is what a single brain cell, or neuron, really looks like. It’s pretty crazy we can take a picture of it. But… for a long time we couldn’t see and didn’t quite understand that tangle of neurons inside your head. And some people thought we didn’t need a brain at all. Back in Ancient Egypt, people believed the brain was just stuffing to keep the skull from caving in. During mummification, brains were often removed and discarded while the heart was taken with you to the afterlife. Ancient Egyptians believed the heart was the seat of consciousness – an idea called the cardiocentric hypothesis. In Ancient Greece, Alk-me-en dissected an eye and discovered the optic nerve. He thought there were connections from our sensory organs to the brain. So A...
