Familiarization, attention, and recognition memory in infancy: An event-related potential and cortical source localization study
Familiarization, attention, and recognition memory in infancy: An event-related potential and cortical source localization study
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DOI：
10.1037/0012-1649.41.4.598
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发表时间：
2005-07-01
影响因子：
4
通讯作者：
Richards, JE
中科院分区：
文献类型：
--
作者：
Reynolds, GD;Richards, JE
本研究探讨了熟悉和注意对婴儿再认记忆的事件相关电位（ERP）的影响。4.5、6或7.5月龄的婴儿要么熟悉在随后测试期间使用的2种刺激，要么呈现随后未使用的2种刺激。然后，向婴儿播放《芝麻街》的录音以引起注意或注意力不集中，并向他们提供熟悉和新颖的刺激。一个负的ERP组件在额叶和中央电极（NC）是更大的预曝光熟悉组的新的比熟悉的刺激介绍，而NC没有收到熟悉曝光组的差异。脑电图的空间独立成分分析和“等效电流偶极子”分析被用来检查ERP成分的假定皮层来源。Nc的皮层来源位于前额叶皮层和前扣带皮层。
This study investigated the effects of familiarization and attention on event-related potential (ERP) correlates of recognition memory in infants. Infants 4.5, 6, or 7.5 months of age were either familiarized with 2 stimuli that were used during later testing or presented 2 stimuli that were not used later. Then, infants were presented with a recording of Sesame Street to elicit attention or inattention and presented with familiar and novel stimuli. A negative ERP component over the frontal and central electrodes (Nc) was larger in the preexposure familiarization group for novel- than for familiar-stimulus presentations, whereas the Nc did not differ for the group not receiving a familiarization exposure. Spatial independent components analysis of the electroencephelogram and "equivalent current dipole" analysis were used to examine putative cortical sources of the ERP components. The cortical source of Nc was located in areas of prefrontal cortex and anterior cingulate cortex.