IN A REMARKABLY useful book on the frontal areas of the human cerebral cortex, Greenblatt and Solomon have edited and assembled the work of a notable team of 53 research workers at the Boston Psychopathic Hospital. The title of the book is "Frontal Lobes and Schizophrenia," 1 but the scope of the work is broader than "schizophrenia" would imply. The comparative anatomy and physiology of the frontal areas are discussed, and pertinent animal experiments are described. A brief review is given of former work on the frontal areas of man both at the Boston Psychopathic Hospital and elsewhere. Then a detailed description is given of the methods applied to the 116 cases included in the present study. It is the breadth of view and variety of investigative approaches that make this study unique. Other authors, like Rylander, have carefully followed up their postlobotomy patients and have considered social and family