1. Borda, R.P.: Drive and performance related aspects of the CNV in Rhesus monkeys. Electroenceph. clin. Neurophysiol.27, 704 (1969).
2. Brazier, M.A.B.: Evoked responses recorded from the depths of the human brain. Ann. N.Y. Acad. Sci.112, 33?59 (1964).
3. Cant, B.R., Pearson, J.E., Bickford, R.G.: The mechanism of the expectancy wave in man. Electroenceph. clin. Neurophysiol.21, 622 (1966).
4. Costa, L.D., Vaughan, H.G., Gilden, L.: Comparison of electromyographic and microswitch measures of auditory reaction time. Percept. mot. Skills20, 771?772 (1965).
5. Creutzfeldt, O.D., Kuhnt, U.: The visual evoked potential: physiological, developmental and clinical aspects. Electroenceph. clin. Neurophysiol. Suppl.26, 29?41 (1967).