Reward does not modulate the preview benefit in visual search
Reward does not modulate the preview benefit in visual search
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DOI：
10.1080/13506285.2021.1895941
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发表时间：
2020-10
期刊：
影响因子：
2
通讯作者：
Chisato Mine;Steven B. Most;M. L. Le Pelley
中科院分区：
文献类型：
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作者：
Chisato Mine;Steven B. Most;M. L. Le Pelley
摘要预览优势是指在搜索显示之前看到干扰项的子集时，可以更快地搜索目标。我们研究了奖励是否会调节这种效应。参与者在每次试验中从非目标中确定一个目标。在“预览”试验中，占位符占据了一半的搜索阵列的位置之前，开始的全阵列。在“非预览”试验中，没有占位符在整个搜索数组之前。在预览试验中，目标可能出现在占位符位置（旧目标位置条件）或没有占位符的位置（新目标位置条件）。重要的是，刺激阵列的颜色表明参与者是否会因正确的反应而获得奖励。我们发现了一个典型的预览的好处，但没有证据表明，奖励调制这种效果，尽管操纵检查显示，奖励信号颜色的刺激往往捕捉注意力的捕捉试验。结果表明，奖励学习不会调节预览效益。
ABSTRACT Preview benefit refers to faster search for a target when a subset of distractors is seen prior to the search display. We investigated whether reward modulates this effect. Participants identified a target among non-targets on each trial. On “preview” trials, placeholders occupied half the search array positions prior to the onset of the full array. On “non-preview” trials, no placeholders preceded the full search array. On preview trials, the target could appear at either a placeholder position (old-target-location condition) or a position where no placeholder had been (new-target-location condition). Critically, the colour of the stimulus array indicated whether participants would earn reward for a correct response. We found a typical preview benefit, but no evidence that reward modulated this effect, despite a manipulation check showing that stimuli in the reward-signaling colour tended to capture attention on catch trials. The results suggest that reward learning does not modulate the preview benefit.