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首页> 外文期刊>Biological Psychology >Two-year stability of the late positive potential across middle childhood and adolescence
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Two-year stability of the late positive potential across middle childhood and adolescence

机译：儿童期和青春期后期正电位的两年稳定性

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摘要

The late positive potential (LPP) may be a useful measure of individual differences in emotional processing across development, but little is known about the stability of the LPP across time. We assessed the LPP and behavioral measures of emotional interference following pleasant, unpleasant, and neutral images in 8- to 13-year-old youth. Approximately two years later, the same participants completed the task again (N=34). Results indicated that the LPP is moderately-to-highly reliable across development. Stability was lower and more inconsistent for behavioral measures. In addition, consistent with previous cross-sectional analyses, a decrease in occipital activity was observed at the second assessment. Results indicate that the LPP appears to be a stable measure of emotional processing, even across a fairly large period of development.
机译：晚期正电位（LPP）可能是衡量个体在整个发展过程中情绪加工过程中个体差异的有用指标，但对LPP跨时间稳定性的了解却很少。我们评估了8至13岁青年在愉快，不愉快和中立的图像后的LPP和情绪干扰的行为度量。大约两年后，相同的参与者再次完成了任务（N = 34）。结果表明，LPP在整个开发过程中具有中等到高度的可靠性。行为测量的稳定性较低且更加不一致。另外，与先前的横截面分析一致，在第二次评估中观察到枕叶活动减少。结果表明，即使在相当长的发展时期中，LPP似乎也是情绪加工的一种稳定指标。

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