unit 6 (42-51) Flashcards
developmental psychology
studies physical, cognitive, and social change throughout lifespan
zygote
fertilized egg. 2 week period of rapid cell divison, then develops into embryo
embryo
2 weeks after fertilization through 2nd month
fetus
9 weeks after conception to birth
teratogens
chemicals and viruses that can reach the embryo or fetus during prenatal development and cause harm
fetal alcohol syndrome
physical and cogntiive abnormalities in children caused by heavy drinking. small head, abnormal facial features.
habituation
decreased responsiveness with repeated exposure to a stimulus
maturation
orderly sequence of biological growth. uninfluenced by experience.
cognition
all mental activities associated w/ thinking, knowing, remembering, and communicating
schema
concept/framework that organizes and interprets information.
assimiliation
interpreting our new experiences in terms of our existing schemas
accommodation
adapting our current understanding to incorporate new information
sensorimotor stage
birth to age 2. babies take in the world through sensory and motor activities
object permanence
awareness that things continue to exist even when not perceived (0-6 months)
preoperational stage
age 6-7. able to represent things with words and images but cant perform mental operations (ex: imagining an action and mentally reversing it)
conservation
principle that quantity remains the same despite changes in shape (age 0-6)
egocentrism
preoperational childs difficulty taking anothers point of view
theory of mind
peoples ideas about their own and others mental states (feelings, perceptions, thoughts, and the behaviors these might predict)
concrete operational stage
age 7-11. cognitive stage where children gain the mental operations that enable them to think logically about concrete events.
formal operational stage
begins age 12. cognitive development stage where people begin to think logically about abstract concepts.
scaffold
framework that offers children temporary support as they develop higher levels of thinking (ex: telling a child no when pulling their hand away from a hot cup)
autism spectrum disorder
disorder that appears in childhood. marked by social deficiencies and repetitive behaviors. (bad communication, rigidly fixed interests)
stranger anxiety
fear of strangers that infants commonly display, begins by 8 months of age
attatchment
emotional tie with another person, shown in young children to their caregiver and showing distress on seperation
critical period
optimal period in life when certain events must take place to facilitate proper development
imprinting
process by which certain animals form strong attachments during early life
strange situation
mary ainsworth – procedure for studying child-caregiver attatchment:
- child is placed in an unfamiliar enviornment while their caregiver leaves and then returns, childs reactions are observed
secure attachment
demonstrated by infants who comfortably explore environments with their caregiver present, show only tempoary distress when caregiver leaves, and find comfort in caregivers return.
insecure attachment
demonstrated by infants who display either a clinging anxious attachment or an avoidant attachment that resists closeness.
- less likely to explore surroundings
- cling to mother
- cry loudly + remain upset when caregiver leaves or seem indifferent to departure and return