The Oxford Companion to the Mind includes discussions of concepts such as language, memory, and intelligence, side by side with definitions of common human experiences such as the 'cocktail-party' and 'halo' effects, and the least effort principle. Richard Gregory again brings his wit, wisdom, and expertise to bear on this most elusive of subjects. The new edition of the Companion includes three 'mini symposia'--on consciousness, brain scanning, and artificial intelligence--with contributions from a number of specialists, and encompassing a range of approaches. Cultural as well as scientific in approach, this offers authoritative descriptions and analysis. With new entries on controversial topics such as artificial life, attachment theory, caffeine, cruelty, drama, extra-terrestrial intelligence, genetics of mental illness, imagination, lying, puzzles, and twins, this second edition explores the most intriguing of subjects.