Abstract
This study was designed as a replication of previous studies describing dynamic EEG differences between behaviorally dissimilar groups. This study is intended as a reference point from which other researchers can continue to establish the EEG correlates of “on-task” behavior. Eight Attention Deficit Disordered (ADD) children and eight Normally Achieving Controls (NAC) were assessed using dynamic EEG measures. Results are reported for the tasks of baseline (eyes open), reading, and drawing as recorded from FZ, CZ, PZ, C3, and C4. Significant amplitude differences between the groups were demonstrated in the theta band (4–8 hertz) during all tasks and for all sites. Amplitude differences in the beta band (12–20 hertz) were negligible. Differences between groups expressed as a ratio of theta/beta revealed significant differences mainly in the parietal region for on-task conditions. These results are discussed in relation to EEG neuro-feedback training paradigms and the importance of establishing normative “on-task” EEG values.
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The authors wish to acknowledge contributions of Hazel Dean school administration and students. Also, thanks are offered to Allan Pankratz for his assistance with graphics.
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Janzen, T., Graap, K., Stephanson, S. et al. Differences in baseline EEG measures for ADD and Normally Achieving preadolescent males. Biofeedback and Self-Regulation 20, 65–82 (1995). https://doi.org/10.1007/BF01712767
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DOI: https://doi.org/10.1007/BF01712767