fMRI: Biological Basis and Experiment Design Lecture 12: Signal-to-Noise Ratio • Things that determine signal strength – voxel size – RF coil • Things that determine noise contribution – Bandwidth (thermal noise) – Brains (physiological noise) • Averaging antwrp.gsfc.nasa.gov/apod/ap041008.html 1 light year = 5,913,000,000,000 miles?
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FMRI: Biological Basis and Experiment Design Lecture 12: Signal-to-Noise Ratio Things that determine signal strength –voxel size –RF coil Things that determine.
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fMRI: Biological Basis and Experiment DesignLecture 12: Signal-to-Noise Ratio
• Things that determine signal strength– voxel size– RF coil
• Things that determine noise contribution– Bandwidth (thermal noise)– Brains (physiological noise)