催产素减弱人类在报复过程中的止损倾向
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摘要
催产素的效应在社会攻击和冲突行为的研究中出现不同情境下的分歧。在此基础上,研究对被试施予催产素,男性被试加入了一个金钱奖励的行为实验——"枪手博弈":玩家均有从抢夺对家6分到给予6分的12种选择,50轮面对不同对家的博弈中,被试需要获得或保留尽可能多的分数。结果显示,对家进行抢夺决策时,催产素组被试报复行为水平显著高于控制组被试,具体地,在被抢夺2分、3分和5分的水平上差异显著;安慰剂组在被抢夺3分和5分的水平上,分别显著低于2分和4分抢夺等级下的报复行为水平;催产素组的报复行为水平随对家进攻等级提升而提高。这表明,当安慰剂组被试遭受攻击而选择理性止损的阶段,催产素组仍然倾向于不计自身利益损失地报复对方。结果暗示了催产素影响报复和攻击行为的内在原因:其降低了人类在实施报复行为过程中的止损倾向,从而保持了震慑动机和愤怒驱动的较高攻击水平。
Research on oxytocin(OT) indicates divergence when it comes into different settlements of conflict causing game. On this basis male participants inhaled OT attended to " gunner game " to chase for token benefits. 12 choices from robbing 6 points to giving 6 points for their opponents were available in game. Participants were required to obtain more points during 50 circulations against randomly assigned opponents. The result shows that the OT group significantly owns a higher revenge level than the placebo group, particularly in 2-degree, 3-degree and 5-degree. However the placebo groups' revenge levels in 3-degree and 5-degree respectively lower than those in 2-degree and 4-degree significantly. The OT group's revenge level upgrades following the opponents' attack strengthen, which is bound for a phenomenon that the OT group still tended to revenge taking the loss out of sight while the placebo group preferred to choose a loss-stop strategy rationally. OT reduces the tendency of loss-stop in retaliation, which maintains a higher level of aggressive behavior when man need to awe foes or express anger, which might suggest an inner reason to explain how OT affects revenge.
引文

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