Abstract
Fifteen subjects participated in a study designed to record event-related potentials (ERPs) to various concentrations of the odorant n-butyl alcohol. Subjects pressed a response key upon detection of the odor, while ERPs were recorded from nine electrode positions. Results indicated a concentration-dependent increase in amplitude of a P300-like component 320–520 msec following the stimulus onset. Correlations between subjects’ sensory thresholds and activity at frontal electrode sites were also found. The absence of early ERP components is discussed.
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The authors wish to thank the R.E. Lee Research Fund of Washington and Lee University for the support of A.C.S. and J.C. The authors are also indebted to L. Farwell for his suggestions concerning the response measure used in this study and to E. Cometto-Muniz for his assistance with the chromatography.
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Lorig, T.S., Sapp, A.C., Campbell, J. et al. Event-related potentials to odor stimuli. Bull. Psychon. Soc. 31, 131–134 (1993). https://doi.org/10.3758/BF03334161
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DOI: https://doi.org/10.3758/BF03334161