Sleep loss, ranging from the individual level of missing a night’s sleep to a societal level of losing an hour’s sleep because of Daylight Saving Time, is associated with reduced altruism or an inclination to help others, new research suggests. These effects were observed even at the neurologic level on brain MRIs, investigators report. “In … Read more
Subtle subjective visual dysfunctions (VisDys) are common and are associated with poorer outcomes of patients with schizophrenia and recent-onset psychosis or who are at clinical high risk (CHR) for psychosis, new research suggests. A multinational group of investigators found that said Vis-more often by patients with recent onset psychosis and CHR than by those with … Read more
For the first time, researchers understand what happens to the brain when patients with treatment-resistant depression receive repetitive transcranial magnetic stimulation (rTMS). Using functional magnetic resonance imaging (fMRI), they showed that rTMS induces widespread alterations in functional connectivity in brain regions involved in emotion and motor control. ‘How does rTMS work?’ is one of the … Read more
New research points to a general mechanism that may explain how psychedelics act on the brain to alleviate depression and potentially other psychiatric conditions marked by fixed patterns of thinking, including rumination and excessive self-focus. Led by investigators from the University of California San Francisco and Imperial College London’s Center for Psychedelic Research, the findings … Read more