Psychosis

Cognitive behavioral therapy may reduce the risk for first psychosis episode among individuals at clinical high risk for psychosis, according to results of a systematic review and meta-analyses published in Journal of Clinical Psychiatry.

Ketamine appeared associated with psychosis-like symptoms among healthy individuals, according to results of a systematic review and meta-analysis published in JAMA Network Open.

Researchers have uncovered several prenatal and perinatal factors associated with later psychosis onset, according to results of a systematic review and meta-analysis published in The Lancet Psychiatry.

Researchers classified more than 40% of women with postpartum psychosis as having “isolated” cases, according to results of a systematic review and meta-analysis published in Journal of Clinical Psychiatry.

Researchers have made substantial advances in the detection and prognosis of individuals at clinical high risk for psychosis, according to results of a systematic review published in JAMA Psychiatry.

Individuals born in more deprived neighborhoods may be at increased risk for nonaffective psychosis because of subsequent effects that impact cognitive development, according to results of a prospective cohort study conducted in Sweden and published in JAMA Psychiatry.

Migrant density may reduce risk for psychotic disorders among migrants and their children, according to results of a national, longitudinal cohort study conducted in Sweden and published in The Lancet Psychiatry.

Researchers have found evidence countering the hypothesis that a long duration of untreated psychosis is associated with “insidious, severe psychotic disorder,” as well as against the toxicity of untreated psychosis, according to study findings published in American Journal of Psychiatry.

Researchers have identified psychosis subgroups that may inform ongoing efforts to redefine psychosis taxonomy using updated criteria, according to results of a longitudinal cohort study published in JAMA Psychiatry.

Maternal bacterial infection during pregnancy is associated with a significantly higher risk for psychotic disorders in offspring depending on severity of the infection and offspring sex, according to a study published in The American Journal of Psychiatry.