![]() A number of resting-state brain networks have been identified, one of which is the default mode network. Resting state fMRI ( rs-fMRI or R-fMRI) is a method of functional magnetic resonance imaging (fMRI) that is used in brain mapping to evaluate regional interactions that occur in a resting or task-negative state, when an explicit task is not being performed. ![]() Įvaluate regional interactions that occur in resting state(brain mapping) At each point on the cortex, white color represents the average BOLD signal, while blue and red colors represents lower and higher signal than average BOLD signal respectively. The BOLD signal intensities are visualized on a smoothed cortical surface. Movie of the in vivo BOLD signal from the cortical surface of a human subject from HCP, acquired using resting state fMRI, pre-processed to suppress the noise in data and played back at a real-time rate.
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