In the considerations given to the behavior disorders occurring in children, great attention has been paid, and justly, to emotional causes. This type of disorder is commonly spoken of as "emotional frustration" or as "id frustration." In this communication we wish to call attention to those behavior disorders in children in which the primary cause is a lack of adequate outlets for intellectual needs. From the artificial separation of the emotional and the intellectual facets of mental activity a certain amount of distortion necessarily results. The justification for this arbitrary division rests solely on the means it affords for isolating the functional characteristics of each aspect.
The problem of behavior and its disorders is properly the concern of psychiatric thought and research. No psychiatric material is so well adapted to the delineation and study of these disorders as the so-called problem child. This adaptability is the result of a number