When the animals had learned this task well and were back in their cages, the experimenters“devalued”the reward, either by letting the rats eat the reward to the point of oversatiation or by giving them a drug that produced mild nausea ( ) after the reward was eaten.
发布于 2021-02-26 03:47:02
【单选题】 A a feeling of sickness with an inclination to vomit B revulsion