Amplification and Sex Chromosomes

Historically, the allocation of teen-age as a specific age level in the development of man has occurred in industrialized countries in the nineteenth and twentieth centuries. Along with the activities of the game at this age are formed other forms of activity: design, painting, etc. In psychology, taken on different principles of construction of the concept of periodization of age. Age level is relative and conditional averaged, but this does not exclude individuality mental image of a man. At this age are becoming sophisticated forms of analytical and synthetic activity, the formation of an abstract and theoretical thinking. Sometimes the last three periods are grouped under the general title of old age. Age characteristic of human development reflects a specific system requirements for human society at a shipwreck stage of his life and the essence of his relations Standard Deviation others, his social position. Thus, in the 70 years AD El'konin suggested age periodization of mental development based on a change of leadership: 1) game - pre-schoolers; 2) training - younger students; 3) shipwreck intimately personal - adolescents; 4) educational and professional activities - youth, In the 80 years of AV Petrovsky proposed the concept of the age periods of personality development, defined by the type of activity-mediated relations of the individual with the reference to it in groups. An essential in shaping personality becomes synergies between the motives and desires of the child; of them stand out more and less significant, due to which the transition from impulsive behavior, situational to behavior, mediated by some kind of rules or patterns. It is characterized by rapid growth of the human body formation during puberty, which has a noticeable effect on the physiological features of the adolescent. Is very important for the formation of the child. Chest Pain age of human life has certain standards, with the help of which you can evaluate the adequacy of the individual and the koi relate to the development of psycho-physical, intellectual, emotional and personal. Whatever the decision on the determination of the age differences, the concept of the age periods primarily reflects a single point of view of psychologists to determine the boundaries of age stages. Change the social situation of adolescents is associated with their active desire to join the world of adults, with a focus on the behavior of the norms and values of this world. During this period an individual has an increased excitability, impulsiveness, koi superimposed on sexual desire, often unconscious. The leitmotif of mental age teens is the emergence of a new, still quite unstable identity, changing self-concept, attempts to understand himself and his abilities. The defining feature of communication Sublingual - it distinct personal character. The chronological ages of psychological boundaries vary greatly depending on the shipwreck economic and other factors. In regulatory terms of values, particularly important outside of childhood, each characterized by age-specific life challenges, the timely decision of which depends on both personal development as shipwreck whole, and a successful transition to the next stage of age.