A new study published in Neuropsychopharmacology has revealed how the drug ketamine changes the way our brains process touch, especially the difference between touch from ourselves versus someone else. Researchers found that under ketamine, the brain struggles to make this distinction, suggesting that ketamine may blur the boundaries of self-perception. These findings offer new insights into how certain psychiatric symptoms related to self-awareness could be mirrored in the brain. Ketamine is a medication originally developed as an anesthetic, but it has gained attention for its ability to pro…