1. Spectral analysis of the EEG in meditation;Banquet;Electroenceph. clin. Neurophysiol.,1973
2. Biofeedback and the twilight states of consciousness;Budzynski,1976
3. Hypnosis, sleep, and electroencephalography;Chertok;J. nerv. ment. Dis.,1959
4. Experimental production of postimperative negative variation in normal subjects;Delaunoy,1978
5. Hypnotic susceptibility, EEG-alpha, and self-regulation;Engström,1976