Abstract:
:In the last two decades, a substantive body of empirical work investigated the association between individual differences of electroencephalogram (EEG) alpha asymmetry and affective/motivational dispositions. Recent work indicated that several methodological problems persist in this field. The present paper reviews these problems with a focus on the reliability and validity of measures of anterior resting EEG asymmetry, which serve as a proxy for trait-like asymmetries of cortical activity. These issues include the treatment of ocular and muscle artifacts, the choice of the EEG reference, the use of current source density (CSD) measures, the state-trait nature of resting asymmetry, and the treatment of state-like fluctuations of the measures. In addition, the statistical problem of inflated type-I error due to multiple testing is also considered and different approaches to counteract this problem are suggested.
journal_name
Biol Psycholjournal_title
Biological psychologyauthors
Hagemann Ddoi
10.1016/j.biopsycho.2004.03.006keywords:
subject
Has Abstractpub_date
2004-10-01 00:00:00pages
157-82issue
1-2eissn
0301-0511issn
1873-6246pii
S0301051104000365journal_volume
67pub_type
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pub_type: 杂志文章
doi:10.1016/j.biopsycho.2004.12.006
更新日期:2005-10-01 00:00:00
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pub_type: 临床试验,杂志文章
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pub_type: 杂志文章,meta分析,评审
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pub_type: 杂志文章,随机对照试验
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