WalterGCooperRAldridgeVJ. Contingent negative variation: An electric sign of sensormotor association and expectancy of the human brain. Nature (Lond)1964; 203: 380–384.
2.
Maertens deNordhout ATimsit-BerthierMSchoenenJ. Contingent negative variation in headache. Ann Neurol1986; 19(1): 78–80.
3.
SchoenenJ. Contingent negative variation as a diagnostic and psychopathological tool in headache patients. In: RoseF Clifford (ed). Migraine: Proc 5th Int Migraine Symp, London 1984. Basel: S. Karger; 1985:17–25.
4.
KroppPGarberWD. Contingent negative variation in migraine: Cortical hyperactivity of delayed habituation. Cephalgia1993; 13(1): 33–36.
5.
SchoenenJTismit-BerthierM. Contingent negative variation: Method and potential interest in headache. Cephalgia1993; 13: 28–32.
6.
GarberWDKroppP. Contingent negative variation in migraine patients during and between migraine intervals. Neurology1992; 42: 78–82.
7.
RockstrohBElbertT. Slow Brain Potentials and Behavior. Baltimore-Munich: Urban and Schwarzenberg; 1982.
8.
GobelHKrapatSEnsinkFBMSoykaD. Comparison of contingent negative variation between migraine interval and migraine attack before and after treatment with sumatriptan. Headache1993; 33(10): 570–572.
9.
McCallumWC. Cognitive aspects of slow potential changes. In: DesmedtJR (ed). Cognitive Components in Central Even-related Potentials and Selective Attention. Basel: S. Karger; 1979:151–171.
10.
KnottJRTecceJT. Event related potentials and psychopathology: A summary of issues and discussion. In: OttoDA (ed). Multidisciplinary Perspectives in Event Related Brain Potential Research. Washington: U.S. Environmental Protection Agency; 1978:347–354.