A radical reappraisal of mental illness

Madness, melancholy, insanity, lunacy, craziness, loco: a dizzying litany of words are used to describe a condition we don't truly understand.

Despite centuries of scientific study, many mental disorders remain untreatable and their causes not understood. The consequences are terrible, both in human suffering and the economic impact of millions of unproductive or destructive people.

In assuming that mental illness is a mathematical problem, The Logic of Madness analyses how a human action can be deviant...