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首页> 外文期刊>Biological Psychology >Should it matter when we record? Time of year and time of day as factors influencing frontal EEG asymmetry
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Should it matter when we record? Time of year and time of day as factors influencing frontal EEG asymmetry

机译：录制时重要吗？一年中的时间和一天中的时间是影响额叶脑电图不对称性的因素

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摘要

Resting frontal encephalographic (EEG) asymmetry, often conceptualized as a trait marker for depression, is influenced by occasion-specific factors, including time of year and the time of day of the recording session as demonstrated recently (Peterson and Harmon-Jones, 2009). The current study examined the influence of seasonal and chronological variables on resting frontal asymmetry, and also assessed whether different reference montages or surface transformations were equally susceptible to these influences. In a direct replication attempt, contrary to previous findings, no simple time of year by time of day interaction was found. Time awake at recording, however, was an important moderating variable of the relationship between photoperiod and time of day. EEG asymmetry scores based on current-source density (CSD) transformed data, however, appeared less vulnerable to these influences, providing further evidence to suggest that the CSD transform may be advantageous for examining stable trait estimates of frontal EEG asymmetry.
机译：静息额度脑电图（EEG）不对称性，通常被概念化为抑郁症的特征标记，受特定场合因素的影响，包括最近一次记录的一年中的时间和一天中的一天中的时间（Peterson和Harmon-Jones，2009年） 。当前的研究检查了季节和时间顺序变量对静止额叶不对称性的影响，并评估了不同的参考蒙太奇或表面变形是否同样容易受到这些影响。与以前的发现相反，在一次直接复制尝试中，没有发现一年中逐日交互的简单时间。但是，记录时清醒的时间是光周期与一天中时间之间关系的重要调节变量。然而，基于电流源密度（CSD）转换数据的EEG不对称性评分似乎较不容易受到这些影响，从而提供了进一步的证据表明CSD转换可能有利于检查额叶EEG不对称性的稳定特征估计。

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