Guidelines for the recording and quantitative analysis of electroencephalographic activity in research contexts

Pivik, R.T.; Broughton, Roger; Coppola, Richard; Davidson, Richard J.; Fox, Nathan A.; Nuwer, Marc R.

doi:10.1111/j.1469-8986.1993.tb02081.x

Cited by 601 publications

(434 citation statements)

References 49 publications

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“…Dependent EEG factors are electrode position, filtering techniques, degree and type of artifact exclusion, EEG parameter, and EEG epoch length (Oken and Chiappa 1988). Moreover, the use of various mathematical transforms may affect statistical measures of variability and correlation (Pivik et al 1993). In spite of these differences, the consensus of studies that focus on the human EEG appears to be large.…”

Section: Resultsmentioning

confidence: 99%

Genetics of the human electroencephalogram (EEG) and event-related brain potentials (ERPs): a review

1994

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Twin and family studies of normal variation in the human electroencephalogram (EEG) and event related potentials (ERPs) are reviewed. Most of these studies are characterized by small sample sizes. However, by summarizing these studies in one paper, we may be able to gain some insight into the genetic influences on individual differences in central nervous system functioning that may mediate genetically determined differences in behavior. It is clear that most EEG parameters are to a large extent genetically determined. The results for ERPs are based on a much smaller number of studies and suggest medium to large heritability.

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Section: Resultsmentioning

confidence: 99%

Genetics of the human electroencephalogram (EEG) and event-related brain potentials (ERPs): a review

1994

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“…Handedness was determined at Time 1 according to the Edinburgh Handedness Inventory (Oldfield, 1971). EEG was acquired based on standard guidelines (Pivik et al, 1993). An electrode cap (ElectroCap, Eaton, Ohio) was positioned according to the International 10-20 System (American Electroencephalographic Society, 1994).…”

Section: Methodsmentioning

confidence: 99%

Long-term stability of electroencephalographic asymmetry and power in 3 to 9 year-old children

Vuga

Fox

Cohn

et al. 2008

International Journal of Psychophysiology

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We investigated test-retest stability of resting EEG asymmetry and power in the alpha frequency range across a 0.6 -to 3-year interval in 125 children (57 girls and 68 boys) for two age groups, 87 preschool children (3 to 5 year-olds) and 38 school-age children (6 to 9 year-olds). Children were from families with a parent's history of unipolar or bipolar depression (36 girls and 43 boys) or control families with no parent history of depression nor any other psychiatric disorder (21 girls and 25 boys). Frontal EEG asymmetry stability was low to moderate; intraclass correlations ranged from zero to 0.48 in the eyes-open condition, and from 0.19 to 0.45 in the eyes-closed condition. Also, parietal EEG asymmetry was low to moderate; intraclass correlations ranged from 0.21 to 0.52 in the eyes-open condition and from 0.27 to 0.72 in the eyes-closed condition. Stability of EEG asymmetry was not related to age, sex of the child, or parent's history of mood disorder. Frontal and parietal EEG power appeared moderately to highly stable. Intraclass correlations were between 0.65 and 0.86 in the eyes-open condition and between 0.52 and 0.90 in the eyes-closed condition. Although stability of EEG power was not statistical significantly different between preschool and school-age children, it consistently showed higher stability values in school-age children than in preschool children. Stability in school-aged children approached values as has been reported for adults. The findings provide partial support to the concept of frontal EEG asymmetry as a trait marker in childhood.

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“…The asymmetry index was considered to represent interhemispheric differences between the AH and UH with their respective rMTs. Asymmetry index was computed in a similar manner as done with imaging data [5] or electroencephalography [22]. Positive asymmetry index indicates higher rMT on the AH than on the UH.…”

Section: Motor Threshold Asymmetry Indexmentioning

confidence: 99%

Longitudinal study on modulated corticospinal excitability throughout recovery in supratentorial stroke

Julkunen

Könönen

Määttä

et al. 2016

Neuroscience Letters

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Longitudinal study on modulated corticospinal excitability throughout recovery in supratentorial stroke, Neuroscience Letters http://dx.doi.org/10. 1016/j.neulet.2016.02.014 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. AbstractCorticospinal excitability (CSE) is modulated by stroke-induced lesions affecting the brain. This modulation is known to be dependent on the timing of the evaluation, and strongest abnormalities are often found in the acute stage. Our study aimed to characterize changes in CSE asymmetry between the affected and the unaffected hemisphere (AH and UH) during the first month after stroke onset and at 6 month follow-up. Neuronavigated transcranial magnetic stimulation (nTMS) was used to assess the CSE of the abductor pollicis brevis (APB) muscle of the hand and tibialis anterior (TA) muscle of the leg in 16 patients over 5 time-points. AH excitability recovered significantly during 6 months, whereas interhemispheric asymmetry remained significant up to 1 month post-stroke in the APB muscle. Greater initial CSE was associated with good motor function at 6 months. The motor cortical excitatory recovery initiated within week of the stroke and was most prominent within 1 month after stroke onset. Lesion size correlated with CSE of the UH at 10 days, while overall severity of the symptoms correlated inversely with CSE of the AH. This study demonstrates the quick improvement in the CSE via estimation of interhemispheric asymmetry; however, the recovery in the asymmetry continues to normalize even after reaching the threshold for normal values in CSE.

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Guidelines for the recording and quantitative analysis of electroencephalographic activity in research contexts

Cited by 601 publications

References 49 publications

Genetics of the human electroencephalogram (EEG) and event-related brain potentials (ERPs): a review

Genetics of the human electroencephalogram (EEG) and event-related brain potentials (ERPs): a review

Long-term stability of electroencephalographic asymmetry and power in 3 to 9 year-old children

Longitudinal study on modulated corticospinal excitability throughout recovery in supratentorial stroke

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