factual

fMRI trades temporal for spatial resolution

Functional MRI uses blood oxygenation as a proxy for brain activity and achieves spatial resolution near or below one millimeter, but at the cost of poor temporal resolution—on the order of one to several seconds—so it cannot capture the fast online dynamics of cognition.

factualpending

Speaker

David Poeppel

Evidence Quote

you take a really, really great picture of someone's head, but the dynamics that you're able to capture are very, very slow.

Source

15 | David Poeppel on Thought, Language, and How to Understand the BrainSean Carroll's Mindscape
Created: 6/13/2026, 12:19:52 AM

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