3 ms·
But the fmri is measuring change in decay time caused by change in blood oxygenation rather than change in flow rate, right? And that's a relatively direct meas
by thfuran 4y ago
But the fmri is measuring change in decay time caused by change in blood oxygenation rather than change in flow rate, right? And that's a relatively direct measure of local metabolic activity (at least for some metabolic pathways).
- foobarbecue 4y agoYou're right, and I didn't know that. Thanks for educating me. Apparently it's called BOLD-contrast imaging. Time for me to go read about haemodynamic response since I didn't know that was a thing.