Author Note

G. Scott Acton, University of California, San Francisco; David H. Schroeder, Johnson O'Connor Research Foundation, Chicago, Illinois.

An earlier version of this article was presented at the July 1999 meeting of the International Society for the Study of Individual Differences in Vancouver, Canada. We acknowledge the support of National Institute on Drug Abuse grants P50-DA09253 and T32-DA07250 and of the Johnson O'Connor Research Foundation, where this study was conducted. We recognize specific contributions by Janine K. Bethscheider, whose study (Bethscheider, 1990) was a forerunner of ours, and Kwang Min Jang, who assisted with data analyses for this study. We are also grateful to Ian J. Deary and Arthur R. Jensen for helpful comments on an earlier version of the article.

Correspondence concerning this article should be addressed to G. Scott Acton, University of California, San Francisco, Box 0984-TRC, 401 Parnassus Avenue, San Francisco, CA 94143-0984.

This is a preprint version of a published article. It differs from the published article in that it does not include the copy editing. Copyright for the final version resides with Elsevier Science Inc. No citations should be made to the on-line version; all citations should be to the final version: Acton, G. S., & Schroeder, D. H. (2001). Sensory discrimination as related to general intelligence. Intelligence, 29, 263-271.

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