Performances in the radial arm maze task for young and aged control (CTL) and fish oil (FO) supplemented animals. (a) Latency before reaching the correct exit (s). (b) Number of errors. (c) Rate of success, expressed as the ratio of successful trials on the total number of trials (%). Values are means ±SEM, n = 6 in each dietary group. Differences were considered significant with p < 0.05. Data of young animals have been previously published in Vinot et al., 2011. Data of aged animals have been previously published in Languille et al., 2012.