Thursday, January 24, 2013

What does fMRI measure, anyway? – Neurologism

What does fMRI measure, anyway? – Neurologism: "Despite its popularity, it is still not entirely clear what fMRI is measuring. Many people know that the technique measures a signal called BOLD: the blood-oxygen-level-dependent contrast. But I imagine fewer people know that the  relationship between blood flow and neural activity is still under active investigation."

'via Blog this'

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