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2. The time-course of preparation: confirmatory results with visual and auditory warning signals;Bertelson,1969
3. The effect of altered drive states on the contingent negative variation (CNV) in rhesus monkeys;Borda;Electroenceph. Clin. Neurophysiol.,1970
4. The effect of motivation on the contingent negative variation (CNV);Cant;Electroenceph. Clin. Neurophysiol.,1967
5. Relationships between the contingent negative variation (CNV) and reaction time;Hillyard;Physiol. Behav.,1969