
Parapraxes, that is to say, everyday errors such as slips of the tongue, forgetting names and misreadings, had a special fascination for Freud, enabling him to extend to normal mental life the discoveries he had first made in connection with neuroses. This book is a comprehensive analysis of such errors and shows a penetrating insight into complex human behaviour, explained in terms readily grasped by the lay mind. This edition supersedes the Brill translation first published in 1914 and reprinted nineteen times. It was commissioned for the Standard Edition of Freud's works published by the Hogarth Press and the Institute of Psychoanalysis. The Brill translation had "modified and substituted some of the author's cases by examples comprehensible to the English-speaking reader." This new version is an exact rendering of the German text, with explanations where linguistic differences occur. It incorporates new material added by Freud to the later German editions and is almost half as long gain as the former English version.
Author

Dr. Sigismund Freud (later changed to Sigmund) was a neurologist and the founder of psychoanalysis, who created an entirely new approach to the understanding of the human personality. He is regarded as one of the most influential—and controversial—minds of the 20th century. In 1873, Freud began to study medicine at the University of Vienna. After graduating, he worked at the Vienna General Hospital. He collaborated with Josef Breuer in treating hysteria by the recall of painful experiences under hypnosis. In 1885, Freud went to Paris as a student of the neurologist Jean Charcot. On his return to Vienna the following year, Freud set up in private practice, specialising in nervous and brain disorders. The same year he married Martha Bernays, with whom he had six children. Freud developed the theory that humans have an unconscious in which sexual and aggressive impulses are in perpetual conflict for supremacy with the defences against them. In 1897, he began an intensive analysis of himself. In 1900, his major work 'The Interpretation of Dreams' was published in which Freud analysed dreams in terms of unconscious desires and experiences. In 1902, Freud was appointed Professor of Neuropathology at the University of Vienna, a post he held until 1938. Although the medical establishment disagreed with many of his theories, a group of pupils and followers began to gather around Freud. In 1910, the International Psychoanalytic Association was founded with Carl Jung, a close associate of Freud's, as the president. Jung later broke with Freud and developed his own theories. After World War One, Freud spent less time in clinical observation and concentrated on the application of his theories to history, art, literature and anthropology. In 1923, he published 'The Ego and the Id', which suggested a new structural model of the mind, divided into the 'id, the 'ego' and the 'superego'. In 1933, the Nazis publicly burnt a number of Freud's books. In 1938, shortly after the Nazis annexed Austria, Freud left Vienna for London with his wife and daughter Anna. Freud had been diagnosed with cancer of the jaw in 1923, and underwent more than 30 operations. He died of cancer on 23 September 1939.