Detection of Nonlinear Interactions of EEG alpha Waves in the Brain by a New Coherence Measure and its Application to Epilepsy and Anti-Epileptic Drug Therapy. - David L. Sherman; Ning Zhang; Shikha Garg; Nitish V. Thakor; Marek A. Mirski; Mirinda Anderson White; Melvin J. Hinich (Int. J. Neural Syst., 2011)