As editor of the Springer-Verlag Series in Psychopathology, Lauren Alloy knew of my work in cognitive psychophysiology to study processing anomalies in nonpatients at risk for psychopathology and invited me to edit a book for the series. This evolved into an opportunity to address an aspect of the unfortunate nature-nurture battle in the field, which too often emphasizes genes and macrolevel environment. Extreme positions are often taken (sometimes unwittingly), even though a great deal of the actual research is between the extremes, including laboratory psycho logical and psychophysiological...