Chapter 1 History of the Operation of Leucotomy and Outline of Investigations to be Reported in this Book; Chapter 2 The Effect of Posterior Standard Leucotomy on Temperament and Character; Chapter 3 The Effect of Posterior Standard Leucotomy on Intellectual Aspects of Personality; Chapter 4 The Effect of Bilateral and Unilateral Anterior Rostral Leucotomy on Personality; Chapter 5 A Comparison of the Effects of Anterior Rostral and Posterior Standard Leucotomy; Chapter 6 Synthesis and Conclusions;