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Lithium (Li), a prominent mood stabilizer, is often used as a first\u2010line treatment. However, clinical studies have shown that Li is fully effective in roughly 30% of BD patients. Our goal in this study was to use features derived from information theory to improve the prediction of the patient's response to Li as well as develop a diagnostic algorithm for the disorder.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We have performed electrophysiological recordings in patient\u2010derived dentate gyrus (DG) granule neurons (from a total of 9 subjects) for three groups: 3 control individuals, 3 BD patients who respond to Li treatment (LR), and 3 BD patients who do not respond to Li treatment (NR). The recordings were analyzed by the statistical tools of modern information theory. We used a Support Vector Machine (SVM) and Random forest (RF) classifiers with the basic electrophysiological features with additional information theory features.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Information theory features provided further knowledge about the distribution of the electrophysiological entities and the interactions between the different features, which improved classification schemes. These newly added features significantly improved our ability to distinguish the BD patients from the control individuals (an improvement from 60% to 74% accuracy) and LR from NR patients (an improvement from 81% to 99% accuracy).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The addition of Information theory\u2010derived features provides further knowledge about the distribution of the parameters and their interactions, thus significantly improving the ability to discriminate and predict the LRs from the NRs and the patients from the controls.<\/jats:p><\/jats:sec>","DOI":"10.1111\/bdi.13282","type":"journal-article","created":{"date-parts":[[2022,12,7]],"date-time":"2022-12-07T17:29:16Z","timestamp":1670434156000},"page":"110-127","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Information theory characteristics improve the prediction of lithium response in bipolar disorder patients 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Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0570-7895","authenticated-orcid":false,"given":"Gregory","family":"Falkovich","sequence":"additional","affiliation":[{"name":"Department of Physics of Complex Systems Weizmann Institute of Science  Rehovot Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2644-7068","authenticated-orcid":false,"given":"Shani","family":"Stern","sequence":"additional","affiliation":[{"name":"Sagol Department of Neurobiology, Faculty of Natural Sciences University of Haifa  Haifa 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