Performances in an open field (OF) task for young and aged control (CTL) and fish oil (FO) supplemented animals. (a) Latency before first movement (s). (b) Total distance travelled (cm). Values are means ±SEM, n = 6 in each dietary and age group. 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).