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Functional Magnetic Resonance Imaging (fMRI)

Professor Trevor Robbins describes functional magnetic resonance imaging (fMRI) technology, which is used to take detailed images of the functioning brain.
MRI works in a rather different way by detecting the conversion of oxyhemoglobin to deoxyhemoglobin and producing the so-called BOLD signal. This works more quickly than PET so that one can typically measure events over a few seconds with fMRI, which you cannot readily measure with PET. So, it has better temporal resolution than PET, but it has less chemical specificity. So, you cannot measure things like dopamine receptor function, for example, using fMRI.
functional, magnetic, resonance, imaging, fmri, mri, resolution, technology, PET, oxyhemoglobin, deoxyhemoglobin, brain, imaging, image, neuroimaging, scan, trevor, robbins,
Creative Commons License This work by Cold Spring Harbor Laboratory is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.

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