Guenaire C, Feghali G, Senault B, Delacour J
Physiol Behav. 1986;37(3):423-8. doi: 10.1016/0031-9384(86)90200-3.
Male rats of the Roman High and Roman Low Avoidance strains were submitted to four principal behavioral tests: food-motivated acquisition of bar-pressing in Skinner box, delayed reinforced alternation, locomotor activity in a "multibox apparatus," conditioned suppression, and two biological measures: blood pressure and brain octopamine level. Performances of RLA and RHA rats were significantly different in each behavioral test. Blood pressure was higher in RHA, but the difference only approached the 0.05 threshold. As previously reported, brain octopamine levels of RHA rats were significantly higher than those of RLA. A multivariate treatment (analysis of correspondences) was applied to the data of 10 behavioral tests. The main factor extracted by this treatment clearly separated the two strains. Among the variables which best differentiate RHA and RLA rats, several do not involve stress (working memory, acquisition of bar-pressing, and locomotor activity).
斯金纳箱中以食物为动机的压杆习得、延迟强化交替、“多箱装置”中的运动活动、条件性抑制，以及两项生物学指标：血压和脑内章鱼胺水平。在每项行为测试中，RLA和RHA大鼠的表现均存在显著差异。RHA大鼠的血压较高，但差异仅接近0.05的阈值。如先前报道，RHA大鼠的脑内章鱼胺水平显著高于RLA大鼠。对10项行为测试的数据进行了多变量处理（对应分析）。该处理提取的主要因素清晰地分离了这两个品系。在最能区分RHA和RLA大鼠的变量中，有几个与应激无关（工作记忆、压杆习得和运动活动）。
