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Evaluating MRI harmonisation methods with multicentre data from the Psy-ShareD consortium: A comparative analysis

2026-01-13 psychiatry and clinical psychology Title + abstract only
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Combining multi-site MRI datasets increases statistical power and model generalisability but may be hindered by variability between sites. Harmonisation methods aim to remove potentially confounding variance while preserving biologically meaningful signals. However, this can be challenging, as each T1-weighted image reflects both scanner properties (e.g., field strength, sequence parameters) and individual biological characteristics (e.g., age, sex, ethno-cultural background, and pathology). Two...

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