A small amount of the hallucinogen LSD
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Low doses of the psychedelic drug LSD increase brain complexity, even if it does not alter a person's consciousness. This finding casts doubt on the idea that these two phenomena are correlated, and raises the possibility that even small doses of LSD may have therapeutic effects.
Neural complexity is a measure of the amount of information the brain produces with all repetitive signals removed. That is, it is the minimum number of unique brain signals in a given period of time. Previous research has shown that neural complexity…
Source: www.newscientist.com
