Address requests for reprints to: Andrew J. Tomarken, Department of Psychology, 301 Wilson Psychology Building, Vanderbilt University, Nashville, TN 37240; or to Richard J. Davidson, Department of Psychology, University of Wisconsin-Madison, 1202 West Johnson Street, Madison, WI 53706.
Psychometric Properties of Resting Anterior EEG Asymmetry: Temporal Stability and Internal Consistency
Article first published online: 30 JAN 2007
Volume 29, Issue 5, pages 576–592, September 1992
How to Cite
Tomarken, A. J., Davidson, R. J., Wheeler, R. E. and Kinney, L. (1992), Psychometric Properties of Resting Anterior EEG Asymmetry: Temporal Stability and Internal Consistency. Psychophysiology, 29: 576–592. doi: 10.1111/j.1469-8986.1992.tb02034.x
The present study was supported by NIMH grants MH40747 and MH43454, by an NIMH Research Scientist Development Award (MH00875) to Richard J. Davidson, and by NIMH post-doctoral fellowship MH09678 to Andrew Tomarken. The authors would like to thank Andrea Straus. Rob Doss, Joseph Senulis, Cliff Saron, and Greg Arko for their help in various phases of this research.
- Issue published online: 30 JAN 2007
- Article first published online: 30 JAN 2007
- (Manuscript received November 18, 1990; accepted for publication June 25, 1991)
- Resting EEG;
- Individual differences
We examined whether resting anterior electroencephalographic (EEG) asymmetry in the alpha frequency band has psychometric properties that would be expected of a measure assessing individual differences. In each of two experimental sessions, separated by three weeks, resting EEG in midfrontal and anterior temporal sites was recorded from 85 female adults during eight 60-s baselines. Resting alpha asymmetry demonstrated acceptable test-retest stability and excellent internal consistency reliability. Analyses including other frequency bands indicated that degree of stability varied somewhat as a function of band and region. In addition, asymmetry was less stable than absolute power. Discussion focuses on the implications of the present findings for the measurement and conceptualization of resting anterior asymmetry.