Psychosis after ketamine: What happens in the brain? - Medical News Today
Share on Pinterest A new study explores how ketamine could dial up 'background noise' in the brain, leading to psychosis. Image credit: GiorgioMagini/Getty Images Researchers investigated whether ketamine may induce changes in the brain that are similar to psychosis. They found that ketamine increases background noise, which may interfere with how the brain processes sensory signals. The researchers conducted their study on rats, meaning that further research is needed to see how the findings may apply to humans. Schizophrenia is characterized by changes in how a person perceives reality, including experiencing persistent delusions, hallucinations, and disorganized thinking. The condition affects around 24 million people globally. The exact cause of schizophrenia remains unknown. However, studies suggest that the condition may arise from environmental, psychological, and genetic factors. A drug known as ketamine induces a mental state similar to psychosis in healthy individual