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Recent studies show great promises for improving the performance of EMCI identification by combining multiple structural and functional features, such as grey matter volume and shortest path length. However, extracting which features and how to combine multiple features to improve the performance of EMCI identification have always been a challenging problem. To address this problem, in this study we propose a new EMCI identification framework using multi-modal data and graph convolutional networks (GCNs). Firstly, we extract grey matter volume and shortest path length of each brain region based on automated anatomical labeling (AAL) atlas as feature representation from T1w MRI and rs-fMRI data of each subject, respectively. Then, in order to obtain features that are more helpful in identifying EMCI, a common multi-task feature selection method is applied. Afterwards, we construct a non-fully labelled subject graph using imaging and non-imaging phenotypic measures of each subject. Finally, a GCN model is adopted to perform the EMCI identification task.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Our proposed EMCI identification method is evaluated on 210 subjects, including 105 subjects with EMCI and 105 normal controls (NCs), with both T1w MRI and rs-fMRI data from the Alzheimer\u2019s Disease Neuroimaging Initiative (ADNI) database. Experimental results show that our proposed framework achieves an accuracy of 84.1% and an area under the receiver operating characteristic (ROC) curve (AUC) of 0.856 for EMCI\/NC classification. In addition, by comparison, the accuracy and AUC values of our proposed framework are better than those of some existing methods in EMCI identification.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Our proposed EMCI identification framework is effective and promising for automatic diagnosis of EMCI in clinical practice.<\/jats:p><\/jats:sec>","DOI":"10.1186\/s12859-020-3437-6","type":"journal-article","created":{"date-parts":[[2020,11,18]],"date-time":"2020-11-18T04:14:07Z","timestamp":1605672847000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["Identification of early mild cognitive impairment using multi-modal data and graph convolutional networks"],"prefix":"10.1186","volume":"21","author":[{"given":"Jin","family":"Liu","sequence":"first","affiliation":[]},{"given":"Guanxin","family":"Tan","sequence":"additional","affiliation":[]},{"given":"Wei","family":"Lan","sequence":"additional","affiliation":[]},{"given":"Jianxin","family":"Wang","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2020,11,18]]},"reference":[{"issue":"4","key":"3437_CR1","doi-asserted-by":"publisher","first-page":"459","DOI":"10.1016\/j.jalz.2016.03.001","volume":"12","author":"A Association","year":"2016","unstructured":"Association A. 2016 alzheimer\u2019s disease facts and figures. 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