Exam 9: Section 3: Lifespan Development

According to the Science Versus Pseudoscience box, "Can a DVD Program Your Baby to Be a Genius?" viewing baby media is negatively correlated with vocabulary growth in infants.

According to research by Renée Baillargeon infants are born with an instinctive understanding of object permanence.

Brain maturation during adolescence is largely the result of a sharp increase in the number of new neurons, which continues until early adulthood.

Infants who are deaf do not demonstrate babbling.

During the concrete operational stage the child acquires the ability to think systematically and logically when dealing with abstract concepts.

By the end of the two-week germinal period, the single-celled zygote develops into a cluster of cells called an embryo.

According to Erik Erikson intimacy versus isolation is a key psychosocial task that must be resolved during adolescence.

Katie is just 9 months old. If she is like typical infants her age, she will be able to stand while holding on to a chair or some other support structure.

For the first few months after birth, an infant can distinguish among the speech sounds of all the world's languages.

Jean Piaget believed that cognitive development unfolds according to a biologically programmed sequence that is the same for children in every culture.

Helga is in her fifth month of a healthy pregnancy, and sometimes she can feel the fetus moving, a common experience called quickening.

Primary sex characteristics refer to the sex organs that are directly involved in reproduction.

According to Erik Erikson's theory of psychosocial development, adolescents can achieve an integrated, stable, and relatively permanent sense of personal identity during the identity versus role confusion stage.

The three distinct levels of moral reasoning that Kohlberg proposed are preconventional, conventional, and postconventional.

The neural tube is formed from a sheet of primitive neural cells and is lined with stem cells.

Researchers Alexander Thomas and Stella Chess found that temperamental qualities tend to be very stable throughout infancy and childhood.

Dr. Dillinger investigates how gene activity is regulated within a cell, what signals switch genes "on" or "off," and in particular, what determines whether a given cell will become a skin cell, a nerve cell, or a heart muscle cell. His area of research is called epigenetics.

In the final stage of Erik Erikson's theory the key psychosocial task facing older adults is ego integrity versus despair.

Placido always drives at the posted speed limit because the speeding laws were established by the authorities and should be obeyed. In terms of Kohlberg's theory, Placido is at the postconventional level of moral reasoning.

Piaget's concept of conservation refers to the young child's understanding of the importance of protecting nature and conserving valuable resources.