The Intellectual Functions of the Frontal Lobes—A Study Based Upon Observation of a Man after Partial Bilateral Frontal Lobectomy: By Richard M. Brickner, B.S., M.D. New York: The Macmillan Company, 1936. 354 pp.

This volume is a very complete study of a man who had a large portion of both frontal lobes removed and who has survived for several years conducting a more or less well adjusted life. The psychologic and neurologic observations made on this patient are unusually complete and extremely valuable because the damage to the brain is discrete and its exact extent is definitely known.

Following this operation the patient showed definite symptoms which Dr. Brickner has grouped as follows: I Symptoms in the intellectual sphere, with an emotional coloring—in the nature of impairment of restraint in controlling or concealing emotion. These may be listed as boasting, reminiscing (utilized for self-aggrandizement), free expression of mild hostility, free expression of anger or puerile impulses, impairment of social sense, loss of love for the family, impairment of moral sense, and Witzelsucht. II Symptoms in the intellectual sphere without emotional coloring—in the nature of a limitation of the capacity to associate or synthesize mental engrams to a complex degree. These were evidenced in difficulty in maintaining attention, a tendency to defective capacity to segregate units of intellectual activity, difficulties