books.google.com - Delusions are a common symptom of schizophrenia, dementia and other psychiatric disorders. Though delusion is commonly defined as a false and irrational belief, there is currently a lively debate about whether delusions are really beliefs and indeed, whether they are even irrational. The book is an interdisciplinary...http://books.google.com/books/about/Delusions_and_Other_Irrational_Beliefs.html?id=0vempippniwC&utm_source=gb-gplus-shareDelusions and Other Irrational Beliefs
