Lex Fridman Podcast
#430 – Charan Ranganath: Human Memory, Imagination, Deja Vu, and False Memories
Charan Ranganath
So we tweak them in different ways, but the basic idea that we use in fMRI is that blood is flowing to the brain. And when you have blood that doesn't have oxygen on it, it's a little bit more magnetizable than blood that does, because you have hemoglobin that carries the oxygen, the iron, basically, in the blood that makes it red.
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