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Permutation independent samples t-test analyses showing that ADD < CON group activation differences on the MID gain anticipation > neutral anticipation contrast. Images were produced after 5000 permutations in randomise using TFCE (PFWE < 0.05), controlling for study site. The bar corresponds to PFWE < 0.05 and lower. The structural image represents the MNI152 average normal brain with corresponding horizontal coordinates (inferior–superior). R = right hemisphere.
