Author Archives: samweiss

July 23, 2023 marks 1 year since the launch of the UNC Health Acute Telepsychiatry Service. This service, which is a collaboration between UNC Virtual Care Services and UNC Department of Psychiatry, provides virtual psychiatric consultation to UNC Health emergency departments and inpatient medical/surgical units at 7 locations throughout the...

People with schizophrenia and their high-risk, first-degree relatives report widespread episodic memory impairments that are purportedly due, at least in part, to failures of mnemonic discrimination. Here, we examined the status of mnemonic discrimination in 36 children and adolescents (aged 11-17 years) with and without familial risk for schizophrenia by...

Diagnosis and symptom severity in schizophrenia are associated with irregularities across neural oscillatory frequency bands, including theta, alpha, beta, and gamma. However, electroencephalographic signals consist of both periodic and aperiodic activity characterized by the (1/fX) shape in the power spectrum. In this paper, we investigated oscillatory and aperiodic activity differences...

In this study involving recent trauma-exposed civilians, researchers aimed to understand the complex relationship between substance use, posttraumatic stress disorder (PTSD), and depression. They utilized a large multisite dataset and tracked alcohol and cannabis use trajectories as well as PTSD and depression symptoms over a span of 3 months. The...

Evidence was insufficient to draw conclusions about the benefits or harms of anxiety screening programs. However, clear evidence exists that treatment for anxiety is beneficial, and more limited evidence indicates that some anxiety screening instruments have acceptable accuracy to detect generalized anxiety disorder.