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Experimental schedule. Liposomes were injected 21 h before the open-field (OF) test and after the elevated plus maze (EPM) test on day 2 (i.e., 21 h before the social interaction tests on day 3). The OF test was conducted on day 1, followed by the novel object recognition (NOR) test (days 1 and 2), EPM test, and trials 1 and 2 (day 3) and 3 and 4 of the social interaction test (day 4) [18].
