Mental Illness is Not Correlated with Genius

What madness may have to do with creativity and genius has continued to intrigue down to this day, with scholars arguing for and against the association, its benefits and its deficits. In 1995, in a large scale and statistically convincing study of 1,004 eminent individuals of the 20th century, psychiatrist Arnold Ludwig argued that no necessary or sufficient correlation, hence no causal connection, between mental illness and creative achievement was to be found. Individuals in artistic profe...

 Dunning–Kruger effect

People tend to hold overly favorable views of their abilities in many social and intellectual domains. The authors suggest that this overestimation occurs, in part, because people who are unskilled in these domains suffer a dual burden: Not only do these people reach erroneous conclusions and make unfortunate choices, but their incompetence robs them of the metacognitive ability to realize it. Across 4 studies, the authors found that participants scoring in the bottom quartile on tests of hum...