Prenatal development
Begins with conception and ends at birth. A full-term pregnancy is typically 38 weeks.
Germinal Period "Finding A Place To Live"
The stage of development that occurs from conception until 2 weeks
Mitosis
a cell duplicates all of its contents, including its chromosomes, and splits to form two identical daughter cells
Placenta
Specialized organ, sustains the life of the embryo by transferring oxygen and nutrients, removing waste products, and after the initial months of gestation, secreting hormones that sustain the pregnancy
embryonic Period "Organizing Space"
the development period from implantation to 8-week pregnancy, which the major organ and structures of the organism develop
Fetal Period "Finishing Touches"
the development time period from nine weeks after conception until the birth of the child.
Fetus
Name for developing organism from 8 weeks after fertilization to the birth of the baby
Critical Periods
Times during which certain environmental influences can have an impact on the development of the infant
Birth Defects
Can result from a malfunctioning gene or an environmental stimulus
Teratogen
Any non genetic agent that produces birth defects at exposures that commonly occur.
teratogenic agent
stress and alcohol
Fetal Alcohol Syndrome
includes physical, cognitive, and psychological abnormalities that result from consuming alcohol during pregnancy.
Neonates
are born preferring sights and sounds that facilitate social reponsiveness
Reflexes
Infants have a set of innate unlearned behavior patterns to help the infant to survive
Maturation
biological growth processes that enable orderly changes in behavior, relatively uninfluenced by the experience
Developmental Norms
The normal timeline of mental and physical growth and changes that occur as an entity ages
Six Motor Milestones
Infant's muscles and nervous system mature, skills emerge
Blooming
Period of rapid of neural growth
Infantile Amnesia
The difficulty or inability that adults have in remembering detailed or episodic memories from early childhood, generally prior to age 3 or 4.
Developmental Psychology
the scientific study of the changes that occur in people as they age including physical, cognitive, and social development
Cross-Sectional
Type of study in which people of different ages are examined at the same time
Cohort Effects
systematic difference between age groups that are due to cultural changes over time
Longitudinal
Study follows that same group of people over a period of time from months to many years in order to evaluate changes in those individuals
Cross-sequential
Individuals in cross sectional sample are tested more than once over a specified period of time
Erik Erikson
developmental psychologist, contended that each stage of life has its own psychosocial task, a crisis that needs resolution, to become a successful complete person
Trust vs. Mistrust
infants must learn that adults can be trusted
Autonomy vs Shame/Doubt
as toddlers begin to explore their world, they learn that they can control their actions and act on their environmental to get resullts.
Initiative vs Guilt
At the preschool stage children are capable of initiating activities and asserting control over their world. through social interactions and play
industry vs Inferiority
Children begin to compare themseleves to their peers, develop a sense of pride and accomplishment or feelings of inferiority/inadequacy
Idenity Vs Role Confusion
an adolescent's main task is developing a sense of self
Intimacy Vs Isolation
develop and maintain successful relationships with others
Generativity vs Stagnation
Middle aged adults begin contributing to the next generation / society or little connection to others
Ego Integrity vs Despair
People in late adulthood reflect on their lives and feel either a sense of satisfaction or a sense of failure
Stranger Anxiety
Developmental situation in which infants become anxious and fearful around strangers, beginning by about 8 months of age
Attachment Bond
The emotional bond between an infant and the primary caregiver, shown in young children by their seeking closeness to the caregiver and showing distress on separation
John Bowlby
children are biologically predisposed to develop attachments to caregivers as the result of genetics
Attachment theory
an evolutionary-based theory that suggests that infants are biologically predisposed to form attachments with primary caregivers in early life as a means to increase their likelihood of survival
Konrad Lorenz
Theorized that if attachment was important in human survival it may be important in other species.
Critical period
optimal period when certain events must take place to facilitate proper development
Imprinting
the process by which certain animals from attachments during a critical period very early in life
Harry Harlow
Psychologist, conducted studies of attachment and the importance of contact comfort using infant Rhesus monkeys in 1950s.
Mary Ainswoth
Psychologist that found that attachment happens through a complex set of interactions between mother and infants
Designed the strange situation experiments
Secure Attachment
Behavior When Caregiver Left Baby
-Upset; cries and refuses to
be comforted by stranger Behavior When Caregiver Returns
-Makes
effort to touch caregiver and returns to playing
Mother
Characteristics
-Sensitive, responsive mothers —those who noticed
what their babies were doing and responded appropriately
Avoidant (Insecure) Attachment
Behavior When Caregiver Left Baby
- Indifferent
Behavior
When Caregiver Returns
- Indifferent; may seek contact but then
pull away
Mother Characteristics
- Insensitive, unresponsive
mothers —mothers who attended to their babies when they felt like
doing so but ignored them at other times
Anxious - Ambivalent Attachment
Behavior When Caregiver Left Baby
- Very
Distressed
Behavior When Caregiver Returns
- Ambivalent and
resentful of caregiver
Mother Characteristics
- Mother is
engaged on her own nerves, gives attention to the child once her own
needs are met
Disorganized Attachment *Added in 1990 by colleague Mary Main
Behavior When Caregiver Left Baby
- Rocking,/Hitting,
Crying
Behavior When Caregiver Returns
- They act strangely
with the caregiver and do not appear to know how to attach
Mother
Characteristics
- Mother with severe depression suffered some
type of traumatic loss in life
Temperament
The characteristics and aspects of personality that we are born with
-Attachment style may be the result of
temperament
-Easy—cheerful, relaxed, and feeding and sleeping on
predictable schedules
- Difficult—irritable, intense, and unpredictable
Authoritarian
Restrictive parenting style that emphasizes respect for work and effort. This style or parenting allows for little discussion or explanation of the firm controls placed on the child.
Permissive
parenting style that is characterized by having few and inconsistent rules and a relaxed attitude to parenting that is more like a friend than a parent.
Authoritative
parenting style that is child-centered, in that parents closely interact with their children, while maintaining high expectations for behavior and performance, as well as a firm adherence to schedules and discipline.