The Brain on LSD: New Scans Show Drug's Trippy Effects

From hallucinations to a loss of your sense of self, the effects of taking a drug such as lysergic acid diethylamide (LSD) have been known for some time. Taking LSD leads to increases in activity in the visual parts of the brain, which helps to explain the visual hallucinations associated with taking the drug, according to the new study, published today (April 11) in the journal Proceedings of the National Academy of Sciences. These results reveal how LSD can alter a person's consciousness so pr