In the first study of its kind, scientists in the Netherlands found that psilocybin microdoses have no noticeable effect on the problem-solving, rational-thinking, and abstract-reasoning ability called fluid intelligence. But they do seem to improve two forms of thinking that underlie creativity.

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In the first study of its kind, scientists in the Netherlands found that psilocybin microdoses have no noticeable effect on the problem-solving, rational-thinking, and abstract-reasoning ability called fluid intelligence. But they do seem to improve two forms of thinking that underlie creativity.