The delta, theta, slow-beta, and fast-beta bands yielded reliable differences for sex: females exhibited greater spectral power compared to males (≈1 μV2). The interactions between sex and electrode for the fast beta and gamma bands are due to the decrease in power from the frontal to parietal electrodes for the female compared to the lack of change for the male subjects. The origins of these effects are unclear but may be related to a greater sensitivity to high levels of alcohol consumption for female compared to male young adults.