Jääskeläinen, Iiro P.1,2,3; Hautamäki, Minna1; Näätänen, Risto1; Ilmoniemi, Risto J.2
1Cognitive Brain Research Unit, Department of Psychology, POB 13 (Meritullinkatu 1), FIN-00014 University of Helsinki, P.O. Box 508, FIN-00029 Hyks, Finland
2BioMag Laboratory, Medical Engineering Centre, Helsinki University Central Hospital, P.O. Box 508, FIN-00029 Hyks, Finland
3Corresponding Author: Iiro P. Jääskeläinen
ACKNOWLEDGEMENTS: Supported by the Academy of Finland, and the Finnish Foundation for Alcohol Studies. We thank Dr Istvàn Winkler and Klaus Linkenkaer-Hansen for their comments on the manuscript.
Received 17 February 1999; accepted 23 February 1999
