Maternal ____________________ during the prenatal period has been linked to birth complications. 3. the gradual unfolding of one's genetic blueprint is known as ________________. 4. according to ____________________, infants are biologically programmed to emit behavior that triggers an affectionate, protective response from adults. 5. keshawn is happy to play quietly alongside his mother, becomes visibly upset when she leaves, but is quickly calmed by her return. according to mary ainsworth, keshawn is a(n) ____________________ attached infant. 6. a toddler's vocabulary grows rapidly between 18 and 24 months, as children engage in ____________________, or mapping a word onto an underlying concept after only one exposure. 7. according to erikson's theory of development, a sense of ____________________ develops in an infant whose basic biological and emotional needs are adequately met. 8. piaget called the tendency to focus on just one feature of a problem while neglecting other aspects ____________________. 9. personal guiding principles take precedence over laws in deciding right or wrong behavior in the ____________________ stage of moral reasoning. 10. the suggestion that the ____________________ cortex, characterized as the "executive control center" of the brain, appears to be the last area of the brain to fully mature has been used as a possible explanation for why ____________________ behavior peaks during adolescence. 11. both of karlee's parents are teachers, as are two of her uncles. for as long as she can remember, she has wanted to be a schoolteacher, just like these role models. according to james marcia, karlee would be considered to be in a state of identity ____________________. 12. jeffrey arnett's term for the new stage of development brought about by lengthier participation in higher education and increased barriers to financial independence is ____________________. 13. according to erik erikson, the psychosocial crisis during the retirement years involves the tendency to dwell on the mistakes of the past, which could lead to the development of ____________________. 14. karl and his fiancée are about to be married; according to recent research, they will be most likely to have difficulty adjusting to their marriage if they have different ____________________. 15. dementia occurs in ____________________ of people between the ages of 75-80.