Pang, E W Dissociation of the mismatch negativity and processing negativity attentional waveforms with nitrous oxide. [electronic resource] - Psychophysiology Sep 1999 - 552-8 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0048-5772 Subjects--Topical Terms: AdultAnalysis of VarianceAnesthetics, InhalationArousal--drug effectsCerebral Cortex--drug effectsEvoked Potentials--drug effectsFemaleHumansMaleNitrous OxidePitch Discrimination--drug effects