II errors. Despite these limitations, this is the first study to our knowledge to examine associations of early trauma exposure, neurophysiologic developmental trajectories in adolescence and young adulthood, and risk for later psychopathology. This is particularly important because this is the peak age range for the onset of substance use and mental health-related problems and has been previously understudied. Further, information provided on clinical, behavioral, and familial influences enables characterization of neurobehavioral functioning in a relatively large and racially/ethnically diverse sample.