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Abnormal brain activity may reflect compensation when observed in patients who perform normally on tests requiring functions usually observed as impaired. Operational criteria defining compensation have been described and aid in distinguishing compensatory from chance events. Here, we tested whether previously published functional magnetic resonance imaging data acquired in 15 recovering alcoholics and 15 controls at rest and while performing a spatial working memory task would fulfill criteriadoi:10.1093/cercor/bhr381 pmid:22275479 pmcid:PMC3513953 fatcat:pemgarggwnftxg3ost4dxomqie