Event-related potential and behavioral measures of attention in 5-, 7-, and 9-year-olds
Event-related potential and behavioral measures of attention in 5-, 7-, and 9-year-olds
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DOI：
10.1080/00221300309601162
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发表时间：
2003-07-01
影响因子：
2.5
通讯作者：
Thomas, DG
中科院分区：
文献类型：
--
作者：
Bartgis, J;Lilly, AR;Thomas, DG
在两项实验中，评估了儿童听觉选择性注意力的发展。参与者年龄分别为 5、7 和 9 岁，在第一个系列中左耳对目标刺激做出反应（忽略标准刺激），在另一系列中右耳对目标刺激做出反应。在实验 1 中，从额叶、中央和顶叶部位记录了听觉刺激诱发的事件相关电位 (ERP)。与 5 岁儿童相比，9 岁儿童对所关注的频道表现出更大的处理消极性 (Nd)。 7 岁和 9 岁的孩子在有人照顾和忽视的情况下，ERP 的 P3 部分的幅度都显着更大。从行为上看，5岁孩子比年龄较大的孩子击中次数更少，误报次数也更多，而9岁孩子比7岁孩子误报次数明显更多。实验 2 的结果表明，9 岁儿童表现的下降是任务参数的结果。 5 岁儿童无法选择性参加似乎涉及抑制不相关信息处理和选择正确反应的问题。
In 2 experiments, the development of auditory selective attention in children was assessed. The participants, aged 5, 7, and 9 years, responded to target stimuli in the left ear for 1 series (ignoring the standard stimuli) and in the right ear for the other series. In Experiment 1, event-related potentials (ERPs) evoked by the auditory stimuli were recorded from frontal, central, and parietal sites. The 9-year-olds showed a greater processing negativity (Nd) to the attended channel compared with the 5-year-olds. Both 7-and 9-year-olds showed significantly larger amplitudes for the P3 component of ERPs in the attended vs. ignored condition. Behaviorally, the 5-year-olds made fewer hits and more false alarms than did older children, and the 9-year-olds made significantly more false alarms than did the 7-year-olds. The results of Experiment 2 showed that the detriment in the performance of the 9-year-olds was a result of task parameters. The inability of 5-year-olds to attend selectively appears to involve problems with the inhibition of the processing of irrelevant information and with selection of the correct response.