Disturbances of self-experience have long been regarded as a core feature of schizophrenia. Classical psychopathological accounts described disruptions in the sense of self, agency, and bodily ownership as central to the disorder (Bleuler, 1911), while contemporary phenomenological approaches conceptualise schizophrenia as involving disturbances of the “minimal self” or pre-reflective sense of...
Objective The current meta‐analysis examines the effects of ketamine infusion on depressive symptoms over time in major depressive disorder (MDD) and bipolar disorder (BD). Methods Following a systematic review of the literature, data were extracted from 21 studies ( n = 437 receiving ketamine) and analysed at four post‐infusion time points (4 h, 24 h, 7 days and 12–14 days). The moderating...
Abstract A meta‐analysis was conducted to examine the impact of recreational ecstasy use on short‐term memory (STM), long‐term memory (LTM), verbal and visual memory. We located 26 studies containing memory data for ecstasy and non‐ecstasy users from which effect sizes could be derived. The analyses provided measures of STM and LTM in 610 and 439 ecstasy users and revealed moderate‐to‐large...