Bryan and Clemans determined whether suicide risk is more frequent and heightened among deployed military personnel with multiple lifetime traumatic brain injuries (TBIs) than among those with no TBIs or a single TBI.

Young et al determine whether individuals at high familial risk for developing major depressive disorder (MDD) show an autobiographic memory (AM) overgenerality bias. The authors use functional magnetic resonance imaging to assess differences in functional correlates of AM recall across high-risk, currently depressed MDD, and healthy control samples.

Hallak and coauthors examine the effectiveness and safety of a single intravenous administration of sodium nitroprusside on schizophrenia symptoms. See also the Editorial by Coyle.

Parboosing et al study a population-based birth cohort to determine whether maternal gestational influenza is related to bipolar disorder in their offspring.

Crum et al used data from the National Epidemiologic Survey on Alcohol and Related Conditions to evaluate the hypothesis that alcohol self-medication of mood symptoms increases the probability of subsequent onset and the persistence or chronicity of alcohol dependence.