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The salience of a reward cue can outlast reward devaluation.
Behavioral Neuroscience ( IF 1.6 ) Pub Date : 2017-05-04 , DOI: 10.1037/bne0000193
Matteo De Tommaso 1 , Tommaso Mastropasqua 1 , Massimo Turatto 1
Affiliation  

Reward cues can be perceived as highly attractive stimuli because of their acquired motivational properties. However, because the motivational value of reward changes after reward receipt, a debated question is whether the attentional salience of reward cues changes accordingly. In Experiment 1, thirsty participants learned 3 cue-reward associations involving different contingencies. Then, while thirsty, participants performed a visual-search task under extinction, during which the previous reward cues appeared as irrelevant stimuli containing target and distractor items. Experiment 2 was identical to Experiment 1, except that participants drank ad libitum before the visual-search task. In Experiment 3, instead, participants quenched their thirst at the beginning of the learning session. The results of Experiment 1 showed that attention was preferentially deployed toward the cue that best predicted the reward in the previous conditioning phase. Crucially, Experiment 2 revealed that the attentional bias persisted despite reward devaluation. By contrast, no attentional bias was found in Experiment 3. The novelty of our study is that the attentional salience of a reward cue can outlast reward devaluation, suggesting that some incentive properties of the cue can become independent from those of the reward. (PsycINFO Database Record

中文翻译:

奖励提示的显着性可以使奖励贬值的持续时间更长。

奖励线索由于其获得的动机特性而可以被认为是极具吸引力的刺激。但是,由于奖励的动机价值在获得奖励后发生变化,因此有一个争论的问题是奖励线索的注意显着性是否相应地发生变化。在实验1中,口渴的参与者学习了3个涉及不同突发事件的提示-奖励关联。然后,在口渴的时候,参与者在灭绝的情况下执行了视觉搜索任务,在此之前的奖励线索显示为不相关的刺激,包含目标和干扰项。实验2与实验1相同,除了参与者在视觉搜索任务之前随意饮酒。相反,在实验3中,参与者在学习课程开始时便解渴了。实验1的结果表明,注意力优先集中在最能预测先前调节阶段奖励的线索上。至关重要的是,实验2显示尽管奖励贬值,注意力偏见仍然存在。相比之下,在实验3中没有发现注意偏见。我们研究的新颖之处在于,奖励线索的注意显着性可以使奖励贬值的持续时间更长,这表明该线索的某些激励性质可以独立于奖励的激励性质。(PsycINFO数据库记录 我们研究的新颖之处在于,奖励提示的注意显着性可以超过奖励贬值,这表明该提示的某些激励特性可以变得独立于奖励的激励特性。(PsycINFO数据库记录 我们研究的新颖之处在于,奖励提示的注意显着性可以超过奖励贬值,这表明该提示的某些激励特性可以变得独立于奖励的激励特性。(PsycINFO数据库记录
更新日期:2020-08-21
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