methodsFour female Lewis albino rats weighing between 240 g and 256 gwere used for this study. The animals were kept as a group in alarge enriched cage to promote natural movement activity and tofacilitate locomotor skills. The animals were kept in accordancewith German animal welfare regulations, and all experiments wereregistered with the Thuringian Committee for Animal Research (J-SHK-2684-05-04/12-1).