Studies on learning in infants show that in infancy every month of life represents a new level of learning. The functional state of the central nervous system can be influenced by physiological factors which cause fluctuating changes in functions important for learning. Once a stimulus becomes a conditioned signal, it acquires strong power in…

To better assess infant behavior and development in developing countries, cross-cultural psychologists need to more systematically address the following issues: (1) demographic constraints; (2) risk factors; (3) infant care; and (4) the transfer of Western technology to the developing world. (Author/BJV)