Lifespan Development

modifying or creating new theories as a result of experience

developmental tendency to be hyper-focused on the self

integrating new information learned from experience into one's existing understanding of the world

the bond that forms between newborns and their primary caregivers

ball of cells that forms when a zygote divides

occurs when apparent developmental differences between groups are actually due to experiential differences rather than age differences

developmental stage proposed by Piaget in which children come to understand which actions can or cannot affect concrete objects

time-limited developmental period during which the brain is highly sensitive to particular experiences

research comparing people across different age groups

developmentally normal failure to understand that other people differ in their knowledge and perspectives

developing individual through the end of the eighth week of gestation (pregnancy)

set of cognitive and emotional processing defects that result from maternal alcohol consumption during pregnancy

developing baby from the eighth week of pregnancy until birth

developmental stage proposed by Piaget during which children acquire the capacity to reason about abstract concepts

research following a single group of people over time

first time a girl begins menstruating

cessation of menstrual periods

developmental stage proposed by Piaget during which children develop a preliminary understanding of the physical world

bodily structures directly involved in reproduction

guiding learning through focused questions and positive interactions, supporting children in tasks just outside their independent abilities

physical traits that change with sexual maturity but have no direct link to reproduction

developmental stage proposed by Piaget during which infants are aware only of sensations and their own movements

developmentally normal fear of being away from a trusted caregiver

culture-specific timetable for major events to occur

tendency for infants or children to feel uncomfortable or frightened when approached by someone they do not know

characteristic patterns of emotional reactivity

harmful substances that can impair development of an embryo or fetus

ability to attribute mental states (beliefs, desires, knowledge) to others and to reflect on one's own mental states

difference between what learners can do with and without assistance

fertilized egg