Investigators conducted a systematic review of studies published between January 1, 2020 and January 29, 2021 that estimated the prevalence of major depressive disorder and anxiety disorders during the COVID-19 pandemic.
Investigators report the findings from a study assessing the impact of insomnia on clinical outcomes in patients with major depressive disorder.
This study highlights the importance of transdiagnostic approaches to psychiatry.
Sleep abnormalities and cognition in bipolar disorder may be related, and may affect cognition in this patient population.
Polygenic risk scores predict the progression from unipolar depression to bipolar or psychiatric disorders.
While the relationship between current mood state and cognitive impairment is unclear, more severe depression has been linked to greater impairment.
Among adults without a clinical diagnosis of ADHD, heavy alcohol use predicted more severe ADHD symptoms.
Depression and anxiety were significantly associated with sleep difficulties, including trouble falling asleep, early waking, coughing or snoring, feeling too cold or too hot, and having a bad dream.
Overall, in all patients with MDD, sleep ultradian cycle number was positively associated with REMS percentage, REMS duration, and REMS/NREMS ratio and negatively associated with REM latency.
The study provides strong evidence for the utility of resting-state fMRI measures in predicting the development of attentional or mood disorders in children.