Individual differences in anterior EEG asymmetry: methodological problems and solutions
Identifieur interne : 001987 ( Main/Exploration ); précédent : 001986; suivant : 001988Individual differences in anterior EEG asymmetry: methodological problems and solutions
Auteurs : Dirk Hagemann [Allemagne]Source :
- Biological psychology [ 0301-0511 ] ; 2004.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Artefact, Asymmetry, Cerebral cortex, Electroencephalography, Electroencephalography (instrumentation), Emotion emotionality, Frontal Lobe (physiology), Functional Laterality, Human, Humans, Interindividual comparison, Investigation method, Reliability, Reproducibility of Results, Review, Sensitivity and Specificity, Statistical analysis.
- MESH :
- instrumentation : Electroencephalography.
- physiology : Frontal Lobe.
- Functional Laterality, Humans, Reproducibility of Results, Sensitivity and Specificity.
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.
Affiliations:
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Le document en format XML
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type="abstract" xml:lang="en">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.</div></front></TEI><affiliations><list><country><li>Allemagne</li></country></list><tree><country name="Allemagne"><noRegion><name sortKey="Hagemann, Dirk" sort="Hagemann, Dirk" uniqKey="Hagemann D" first="Dirk" last="Hagemann">Dirk Hagemann</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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