1. The literature pertaining to EEG and clinical studies of children with behavior disorders is reviewed and special attention is given to techniques of recording and evaluating EEGs, diagnostic classification of children, and the findings of various investigators.2. A manual counting technique for EEG evaluation is described.3. EEG and clinical studies of 42 boys in the age range of 6-12 are presented, including 20 children with neurotic traits, 16 with conduct type disorder, and 6 childhood schizophrenics. Evaluation of EEGs by frequency counting and "inspection" methods is reported with attention to hyperventilation response. Clinical data concerning family history of mental illness, type of home care and parental attention, history of significant illness and injury, presence of enuresis, fire-setting, and stealing as well as intelligence quotients are presented. Relationship of this material to clinical classification and EEG normality or abnormality is presented.4. There is a discussion of the clinical and theoretical significance of this material.Abstract Teaser