.. “It’s pretty clear if you read [Wallace’s] books that he was a very obsessive, kind of ruminating guy,” said Paul Verhaeghen, associate professor of psychology at Georgia Institute of Technology.
“You can see it in his sentences. … They’re breathless and they need to be annotated, and the annotations need to be annotated again.”
.. They found that people with bipolar disorder scored better — up to about 50 percent higher — on creativity tests than the healthy control group. The creative control group had about the same increase in score relative to the healthy control group.