Author Cathy Davidson, defines learning as being a constant disruption of an old pattern, a breakthrough that substitutes something new for something old in a cyclical process.

FORBES: Is Personalized Learning another Education Fad or Can it Really Happen in Our Schools?

Certain characteristics of his prose -- hypersensitivity and constant rumination, or persistent contemplation -- reflect a pattern of temperament that some psychology researchers say connects mental illness, especially bipolar disorder and depression, with creativity.

CNN: The story

In 2009, after three years of almost constant hard-drive rotation, all the atoms fell into place in a nice colourful stable pattern on the monitor.

BBC: By Ian Hardy