Nature Neuroscience, Published online: 16 December 2025; doi:10.1038/s41593-025-02132-9Using quantitative brain imaging, the authors show opposite fMRI BOLD signal to metabolic activity due to variable oxygen extraction across the human cortex. This questions the canonical interpretation of fMRI signal in terms of neuronal activity.
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This post is Copyright: | December 16, 2025
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