MRIcron is a lightweight, powerful neuroimaging tool used to load a high-resolution anatomical brain template (underlay) and superimpose functional MRI (fMRI) statistical maps (overlay). It is widely used for creating high-quality publication figures, viewing 3D brain surfaces, and plotting fMRI time-series data.
Below is the step-by-step tutorial to visualize your fMRI data using MRIcron. Step 1: Convert DICOM to NIfTI (If Needed)
fMRI data from the scanner usually arrives in DICOM format, but MRIcron requires NIfTI (.nii or .nii.gz) files.
Open dcm2niix (the standalone converter included with the MRIcron package).
Drag and drop your folder of DICOM files into the converter window.
The tool automatically generates the .nii or .nii.gz files needed for visualization. Step 2: Load the Background Brain (Underlay)
To see where your functional activation lies, you must first load a standard anatomical reference space. Tutorial for MRIcro medical image freeware
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