Bridger Emma K, Sprondel Volker, Mecklinger Axel
a Experimental Neuropsychology Unit, Department of Psychology , Saarland University , Saarbrücken , Germany.
Cogn Neurosci. 2015;6(1):31-8. doi: 10.1080/17588928.2014.996211. Epub 2015 Jan 7.
The left-parietal ERP old/new effect—an index of recollection—is often larger for classes of item to-be-endorsed as old (targets) than to-be-rejected items (nontargets), and this has been interpreted as an index of selective retrieval. The question of interest here was whether selective retrieval would be more pronounced when targets are allocated according to distinct conceptual encoding tasks than when designated according to spatial location. Participants saw words on the left/right side of fixation and made a pleasantness or function judgment to each. Across test-blocks, target designation varied according to the kind of task judgment or the study location. Robust target old/new effects were observed for both classes of target designation but the nontarget amplitude was smaller when conceptual information was targeted. The current data indicate that the class of to-be-retrieved information determines the extent to which recollection can be controlled when all other factors are held constant.
左顶叶事件相关电位的旧/新效应——一种回忆指标——对于被认定为旧的项目类别（目标）通常比对被拒绝的项目（非目标）更大，这被解释为选择性提取的指标。这里感兴趣的问题是，当根据不同的概念编码任务分配目标时，选择性提取是否会比根据空间位置指定目标时更明显。参与者在注视点的左侧/右侧看到单词，并对每个单词进行愉悦度或功能判断。在各个测试块中，目标指定根据任务判断的类型或学习位置而变化。对于这两类目标指定都观察到了强烈的目标旧/新效应，但当以概念信息为目标时，非目标的振幅较小。当前数据表明，在所有其他因素保持不变的情况下，待提取信息的类别决定了回忆可以被控制的程度。
