Science & Scripture · Medicine

The heart is the organ responsible for thinking, reasoning, and conscious thought.

Medicine 97 passages in this field

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What current science says

Your heart is a muscular pump, about the size of your fist, that beats roughly 100,000 times a day pushing blood through your body. It contains zero neurons capable of conscious thought. Thinking happens in the brain — specifically the cerebral cortex, which has about 16 billion neurons forming trillions of synaptic connections. The ancient Egyptians agreed with this verse so strongly that during mummification they carefully preserved the heart but scooped the brain out through the nose and threw it away. Neuroscience has since confirmed: that was exactly backwards.

What the text says

This comes from Proverbs 23:7. 'As he thinketh in his heart, so is he' — the text locates cognition in the heart, reflecting the ancient belief that the heart, not the brain, was the seat of thought.

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