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Whether improvement along dimensions of depressive symptoms relates to separable neural networks remains poorly understood. We build on work describing three latent symptom dimensions within the 17\u2010item Hamilton Depression Rating Scale (HDRS) and use data\u2010driven methods to relate multivariate patterns of patient clinical, demographic, and brain structural changes over electroconvulsive therapy (ECT) to dimensional changes in depressive symptoms. We included 110 ECT patients from Global ECT\u2010MRI Research Collaboration (GEMRIC) sites who underwent structural MRI and HDRS assessments before and after treatment. Cross validated random forest regression models predicted change along symptom dimensions. HDRS symptoms clustered into dimensions of somatic disturbances (SoD), core mood and anhedonia (CMA), and insomnia. The coefficient of determination between predicted and actual changes were 22%, 39%, and 39% (all\n                    <jats:italic>p<\/jats:italic>\n                    \u2009&lt;\u2009.01) for SoD, CMA, and insomnia, respectively. CMA and insomnia change were predicted more accurately than HDRS\u20106 and HDRS\u201017 changes (\n                    <jats:italic>p<\/jats:italic>\n                    \u2009&lt;\u2009.05). Pretreatment symptoms, body\u2010mass index, and age were important predictors. Important imaging predictors included the right transverse temporal gyrus and left frontal pole for the SoD dimension; right transverse temporal gyrus and right rostral middle frontal gyrus for the CMA dimension; and right superior parietal lobule and left accumbens for the insomnia dimension. Our findings support that recovery along depressive symptom dimensions is predicted more accurately than HDRS total scores and are related to unique and overlapping patterns of clinical and demographic data and volumetric changes in brain regions related to depression and near ECT electrodes.\n                  <\/jats:p>","DOI":"10.1002\/hbm.25620","type":"journal-article","created":{"date-parts":[[2021,8,13]],"date-time":"2021-08-13T05:02:52Z","timestamp":1628830972000},"page":"5322-5333","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Accounting for symptom heterogeneity can improve neuroimaging models of antidepressant response after electroconvulsive therapy"],"prefix":"10.1002","volume":"42","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2461-6101","authenticated-orcid":false,"given":"Benjamin S. 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