This collective monograph reflects fifteen years of experience of the staff of the Research Center for Child Neuropsychology named after A. R. Luria in the field of prevention and correction of learning difficulties in children of different ages. Various forms and causes of cognitive, behavioral and emotional problems in children are described, as well as the principles of organizing correctional and developmental classes and specific methods of individual and group classes. The book is intended for practical psychologists, defectologists, speech therapists and teachers.