Book on individual embryonic, fetal and child development of the human nervous system. The laws of the early period of morphofunctional formation were traced - from the embryonic differentiation of neurons to the beginning of puberty of the brain. The development of the foundations of consciousness as a result of individual repetition of the biological and social evolution of hominids is discussed. The nature of contradictions of thinking, which is fixed in social instincts and in cognitive imprints, is considered.