Anyone who has tried acid knows what an immensely intense, emotional, sensory experience it is. Though it affects everyone differently, there are a few cases to support the hypothesis that LSD enhances creativity by altering thought processes and changing perspective and interpretation.
There are a few popular self-portrait studies on the internet, documenting an artist’s creative expression of self while on an LSD trip. Together, they reveal a drastic change in self-perception as expressed by the drawings.
This last one is especially amazing – the difference in the portraits from drug to drug is vast.