Studies the behavior and the mental mechanisms of the man and proceeds to investigate psychological problems in areas such as the physiological, social, pedagogical and pathological, using specific techniques that sometimes elaborates; analyzes the problems resulting from the interaction between individuals, institutions and groups; studies all the internal and relational disturbances that affect the individual; investigates the differential factors, whether biological,environmental and personal effects of their development, as well as the progressive growth of motor skills and intellectual and sensory skills; studies the physiological bases of man's behavior and mental mechanisms, especially in their metrical aspects.