Small doses of the psychedelic drug LSD Microgen/Shutterstock
Low doses of the psychedelic drug LSD increase complexity in the brain, even when they don鈥檛 alter a person鈥檚 consciousness. The finding challenges the idea that these two phenomena are correlated and raises the possibility that even small doses of LSD might have therapeutic effects.
Neural complexity is a measure of the amount of information the brain produces, with all repetitive signals removed 鈥 that is, the lowest number of unique brain signals over a given period. Previous studies have shown neural complexity correlates with consciousness. So, it decreases when…
