Welcome. Here you will find links to the IDEAS data set, comprising MRI scans from 442 individuals with epilepsy, along with 100 healthy controls.

Detailed demographic and metadata information is also provided.

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• Raw T1w and FLAIR scans organised in BIDS format. Nifti and json descriptors included

• Resection masks for IDEAS cohort in native, and freesurfer orig.mgz space

• skullstripped brain from freesurfer in nifti format

• freesurfer orig.mgz converted to nifti format

• freesurfer surface and volumetric reconstructions

• Freesurfer thickness, volume, and surface areas for the Desikan-Kiliany parcellation.

• clinical and demographic metadata

• table indicating the percentage of each brain region in the Desikan-Kiliany atlas subsequently resected by surgery.

• Freesurfer thickness, volume, and surface areas for the Desikan-Kiliany parcellation, z-scored against normative controls post-combat.

• Group effect size differences to controls

If you use this data please cite the following publication:

Taylor, P.N., Wang, Y., Simpson, C., Janiukstyte, V., Horsley, J., Leiberg, K., Little, B., Clifford, H., Adler, S., Vos, S.B. and Winston, G.P., McEvoy, A.W., Miserocchi, A., de Tisi, J., Duncan, J.S., 2024. The Imaging Database for Epilepsy And Surgery (IDEAS). Epilepsia. https://doi.org/10.1111/epi.18192