Sleep deprivation impairs a wide range of cognitive processes, but the precise mechanism underlying these deficits is unclear. One prominent proposal is that sleep deprivation impairs vigilant attention, and that impairments in vigilant attention cause impairments in cognitive tasks that require attention. Here, we test this theory by studying the…

A 1968 study was undertaken in Michigan with the following objectives: 1) to determine drug utilization rates for public high school seniors; 2) to determine demographic, sociological, and social-psychological correlates of drug utilization; and 3) to acquire information relevant to present and future health education programs. A questionnaire…

This questionnaire assesses drug use practices and attitudes toward drugs in high school students. The instrument has 59 items (multiple choice or completion), some with several parts. The question pertain to aspirations for the future, general attitudes and opinions, biographic and demographic data, family background and relationships, alcohol…