Ch. 9: Lifespan of Development Flashcards
PRENATAL DEVELOPMENT
3 periods
Germinal and Embryonic and Fetal Periods
Germinal Period – when, what happens, what happens once developed
1st 2 weeks post conception
Sperm and egg meeting in fallopian tube
Then travel into the uterus
Needs to implant and attach to uterine wall
Fertilized egg separates into 2 masses: placenta and embryo( → fetus → child)
Once developed, the placenta serves as intermediary between child and mom and the placenta provides oxygen , nourishment through umbilical cord
Embryonic Period – when, amnion, developing, what’s happening danger from
Occurs between weeks 3-8
At the end of the period embryo is about 1 inch long
Amnion – thin, tough, transparent membrane holding amnion fluid that surrounds the embryo (water broke); cushions the embryo (moms can move however they want)
Developing at a rapid pace, Organs and major systems of the body are formed, this is the time embryo greatest risk from teratogens
Danger from teratogens – any harmful agent or substance that can cause birth defects or death
PRENATAL DEVELOPMENT: EFFECT OF ALCOHOL; where all cross, depresses what, stays in what, most severe result of alcohol use?, how many kids are born with FAS, symptoms, how much is too much
Alcohol crosses placental membrane almost immediately, depressing Central Nervous System CNS
Stays in fetal bloodstream
Most severe result of alcohol use: Fetal alcohol syndrome (FAS) symptoms and prevalence
170 kids are born with FAS
Symptoms: cognitive disability, poor motor development, hyperactivity, short attention span, retarded growth, distinctive facial characteristics (small head, low nasal bridge, underdeveloped jaw, thin upper lip, shorot nose, small eye openings, flat midface, smooth philtrum)
How much alcohol is too much? Depends
12-month pregnancy concept – people don’t find out they’re pregnant until 6 weeks, if she stops drinking when she finds out, their children are still at risk of FAS
Recommended to clear your body of any and all teratogens when trying to get pregnant
Alcohol’s effect on caretaking ability – can makes newborns harder to take care of; going back to drinking after birth
Fetal period; occurs when, developing child becomes, fetus is what, rapid what, quickening?, when feel more movement like kicking, layer of what added when, fetus receives what, what happens when pregnant women take COVID vaccine
Occurs from 9th week until birth (around 38 weeks)
Developing child becoming more complex, organs begin to work, function
Fetus is swallowing, urinating
Rapid brain development, increases about 6x during this period developing new and new neurons,
Quickening – feel the baby move (like a bubbling from drinking soda)
7-9 months, you can feel more movement like kicking
Layer of fat added in 8th month helps with temperature regulation it’s why premature infants need to be incubators so need to be safe and warm environment to regulate surroundings
Fetus receives antibodies from mom’s blood to protect against illnesses; newborn’s immune system does NOT function well, takes several months before developing healthy immune system; limit outside contact
When pregnant women, take COVID vaccine, and then gave birth, discovered covid antibodies in baby
INFANT PERCEPTUAL ABILITIES: VISION; what is the vision at birth, when vision gets to 20/20, depth perception – Gibson study?
Vision at birth is 20/300 – they can see your face but not much beyond it, can’t see far away; looks out at world with a blur
By the time they’re 1 year old, their vision is 20/20
Depth perception – Gibson study
Figure out if babies have depth perception 6-14 months babies, crawling ability required; crawling on pattern, across plexiglass. Does the baby notice the pattern below him? Yes. Achieved depth perception
INFANT PERCEPTUAL ABILITIES: HEARING; when does it begin, “cat in the hat” study
Begins even before birth, registers experiences; one they register well is mom’s voice
“Cat in the Hat” study
Pregnant women read aloud this story twice a day for the last 6 weeks of pregnancy; gave pacifier, if like what they’re hearing, they’ll keep sucking on it. Discovered that newborns would suck to hear their mom reading “Cat in the Hat”. if they hear another woman’s voice reading the story, they wouldn’t like it.
Low vs. high-frequency sounds
Low is not as good as high
TEMPERAMENT; def, 4 categories, percents
Refers to child’s inborn predisposition to behave and react in a certain way; when you’re born, certain aspects of personalities are developed, babies differ
4 categories:
Easy (40% of infants) – happy, not crying tons, approach new things with positive attitude, end up getting predictable eating and sleeping patterns and routine, adjust easy to change
Difficult (10%) – tend have irregular sleeping and waking patterns, cry a lot, more negative and irritable, don’t adjust to change well.
Slow-to-warm-up (15%) – aren’t crying or happy all the time; don’t have a lot of intense reactions positive or negative; adapt more slowly to new situations or people, may shut down a little until comfortable
Hard to classify (35%) – not consistent, may show more than 2 categories
ATTACHMENT THEORY def, why attachment important
Refers to the close emotional bond of affection between a child and his or her caregivers
Attachment important because may have impact on how we relate to others throughout our lives (friends, significant others)
ATTACHMENT THEORY: Harlow research; studied? how did monkey react to scary apparatus? how relates to humans
– studied monkeys and how they’re attached to their parents; took away mothers, monkeys chose the terry cloth monkey without food (contact comfort) Gives great feeling of security of mother
How did the monkey react to the scary apparatus? Terry Cloth mother, change his personality – threatening
Didn’t believe the belief that whoever’s feeding you, you’ll be attached to them
How relates to humans – 1 yr old and mom playing with toys, take away mom, and replace with stranger, baby cries
ATTACHMENT THEORY: 2 kinds, 2 sub categories, percents
Secure – 65% of infants
Fine as long as mom is there, but once mom leaves, they’re upset and distressed; easily calmed down, just needs to be held
Insecure
Avoidant – 20%
Even before stranger appears, they’re avoiding and not engaging with mom; when mom leaves, don’t care, don’t go to her when she comes back
Ambivalent – 12%
They display both positive and negative reactions to mom; might get very upset when mom leaves, when mom gets back, can be different reaction; want contact but don’t want comfort as much
ATTACHMENT THEORY: reasons for differences in attachment; key element? what makes ambivalent and avoidant attachment; what happens if infant is rated as securely attached at age 1? effect on adult relationships
Reasons for differences in attachment
Mom’s behavior; key element is sensitivity in caregiving – every time infant cries, you go pick them up, figure out their needs; baby can learn not to depend on another person
Infant’s behavior
Difficult temperament + insensitive and unresponsive care = ambivalent attachment
Easy-going temperament + insensitive, intrusive, overstimulating care = avoidant attachment
If infant is rated as securely attached at age 1:
Better peer relationship, greater empathy at age 3.5
Greater self-esteem, independence social skills at age 5
Effect on adult relationships? Could accept unreliability or whatever you learned from mom to friends and significant others
DAYCARE AND DEVELOPMENT
How does daycare affect children?
Reasons why it’s difficult to answer
No random assignment
Differences a result of day care or differences between family? Could be other factors like quality of caregiving or economic status
Wide range of quality in day care
DAY CARE AND DEVELOPMENT: TYPICAL RESEARCH FINDINGS
Relationship between day care and illness; Cognitive differences? Differences in social development? quality most important factors?
Higher risk of both minor and more serious illnesses, getting sick
HOWEVER by the time they get to kindergarten, immune system built up, they’re less likely to get sick
cognitive differences – Kids have advanced cognitive and language abilities in day care
Differences in social development
Tend be more self-confidence, independent, ongoing, assertive, more knowledgeable about social world, know how to share, take turns, wait in a line
Quality most important factor – matters less where they’re being cared for, more about HOW they’re cared for
PIAGET’S COGNITIVE THEORY
who, when, what was she, what did she do, believed in what
PIAGET’S COGNITIVE THEORY
Jean Piaget (1896-1980) major pioneer
Major pioneer, direct observation of kids (especially his own); Watched his own kids, comparing oldest vs youngest
Believed in fixed sequence of universal stages
Believed in stage theory rather than development
Quality of cognition differ
COGNITIVE THEORY: 4 DISTINCT STAGES
sensorimotor, pre operational stage, concrete operations stage, formal operations
COGNITIVE THEORY: 4 DISTINCT STAGES
Sensorimotor
when, important accomplishment is __, definition of OP, what develops, believed it appears at __ months, ex? results?
= birth to 2
Important accomplishment is object permanence (motor skills, senses)
Object permanence – defined as the realization that objects (including people) still exist when they cannot be seen, touched or heard
Sensory and motor skills develop
Believed it appeared at 8 months
Ex: Covering a toy to see if a baby understands the toy still exists
Does classic design assess concepts well? Have to be motivated to find it
A not B error, likely to give up when they don’t find toy in spot it was in last time
Does this test represent object permanence?
Kid might lose motivation, not paying attention, have to have motor skills
New research says OP might occur earlier
2 teddy bears, possible impossible outcome
Shocked by impossible outcome, shows they understand that there should only be 1 bear
2.5 month old stared longer
COGNITIVE THEORY: 4 DISTINCT STAGES
Preoperational stage
when, definition of “operations”, “pre”, 3 shortcomings? what do they refer to
occurs from age 2-6
“Operations” = refers to mental actions that allow a child to reason about events he or she experiences; the use of formal, logical mental processes
“Pre-” suggestive of limitations
Three shortcomings
Egocentrism – refers to the tendency of a person to confuse his or her own point of view and that of another person
Not selfishness, as much as centering on the self in thinking
Ex: driving to a play with traffic, kid goes “wow there is a lot of people going to this play”)
Classification Skills – refers to the placement of objects in groups or categories according to some specific standard or criteria
Can classify objects on one dimension
Problem of categories and subcategories
Conservation – refers to the understanding that basic physical dimensions remain the same despite superficial changes in the object’s appearance
Ex: water and beaker example, one looks like it’s fuller, but it’s not
Conservation of solid quantity (playdough rolled out)
Conservation of numbers (row of checkers spread out)
Difference between spontaneous ability vs. capability, differ from Paiget’s standpoint
COGNITIVE THEORY: 4 DISTINCT STAGES
Concrete operations Stage
when,
Children’s cognitive “actions” are applied to ___
Classification and conversation achieved
Ex
Concrete operations Stage = occurs age 7-11
Children’s cognitive “actions” are applied to concrete objects or events; logic is used
Classification and conversation achieved
Ex: collection and sorting is common
Main limitation is that children remain tied to concrete, physical reality; they are unable to understand truly abstract or hypothetical questions, or ones that involve formal logic
Remain tied to concrete, physical reality, unable to understand truly abstract or hypothetical questions, or once that involve formal logic
COGNITIVE THEORY: 4 DISTINCT STAGES
Formal operations when,
Differences from concrete operations
Formal operations = occurs age 12-adolescence
Differences from concrete operations
Emphasis on possible vs. real
Use of scientific reasoning
Logically combining ideas
Main limitation = when adolescents first begin to use logical principles they become overly impressed and idealistic with their thinking abilities, think any problem is solved if you use logical thinking…don’t understand practical limits and instead come up with simplistic solutions
EVALUATING PIAGET’S APPROACH
Problems with stage approach
Individual
Cultural differences
Inconsistencies even w/ the same person
Problems?
Problems with stage approach
-Individual:
-Cultural differences
-Inconsistencies even w/ the same person
-Problem of underestimating children’s abilities
-Problem of overestimating how much people use formal operational thought (thought teens use formal operational thinking all the time but research shows it is inconsistent)
Problems of underestimating the importance of social and cultural environment; Vygotsky and “zone of proximal development”
Children learn because of presence of siblings, parents, teacher, impact of ppl around them
“Zone of proximal development” - what the learner could understand with guidance
STAGES OF PSYCHOSOCIAL DEVELOPMENT
Developed by Erikson
Psychosocial =
Stages go from ?
how many stages
Conflict =
Importance of ?
when does Development stop?
Developed by Erikson
Psychosocial = union between physical needs and culture/environment
Stages go from birth to old age (8 stages)
Conflict = “crisis” at each stage, must resolve in order to move on to next stage
Importance of favorable ratio, can’t completely solve these crises, need good ratio
Development continues throughout whole life
STAGES OF PSYCHOSOCIAL DEVELOPMENT
Trust vs. mistrust
Age? trust?
Mistrust
Related to attachment theory
Video Example: when care is predictable, trust environment, –> ; we all have dose of skepticism, to survive, baby must have ___
Age: birth-one year
trust : infant can count on getting his needs met (diaper change, being held, fed)
Mistrust: infant feels helpless and abandoned (sometimes baby has to cry for an hour before mom shows up)
Related to attachment theory– more mistrust than trust (insecure: avoidant or ambivalent)
Video Example: when care is predictable, trust environment, feel like they belong; mistrust feel world is safe or reliable; we all have dose of skepticism, to survive, baby must have some care, balance of these qualities
STAGES OF PSYCHOSOCIAL DEVELOPMENT
Autonomy vs. doubt
Ages ?
Developing a lot of ?
Doubt
Ex:
“Terrible 2’s”
Ages 1-3
Developing a lot of motor skills (walk, open doors) and independence
Doubt: feeling of being controlled and losing self-control
Ex: “me do”
“Terrible 2’s” – losing self-control
STAGES OF PSYCHOSOCIAL DEVELOPMENT
Initiative vs. guilt
Ages?
Initiative
Ex:
Guilt:
Ex:
Initiative vs. guilt
Ages 3-6
Intiivatve: acting on your desires and potentials, developing confidence
Ex: “can we go to the park today, I’m the best soccer player”
Guilt: development of conscience, needing to restrain desires appropriately
Ex: disobeyed mom
STAGES OF PSYCHOSOCIAL DEVELOPMENT
Competence vs. inferiority
Ages
Competence:
Ex:
Inferiority:
Ex:
Competence vs. inferiority
Ages 6-12
Competence: child applying himself to learning
Ex: “I can read, I know my multiplication tables”
Inferiority: child perceives his skills or status to be inadequate
Ex: someone got better test score than you; don’t have latest phone
BAUMRIND’S PARENTING STYLES
2 basic dimensions of parenting
Control – rule children with iron fist, more likely to use physical discipline; low control – no consequences
Nurturing/responsiveness – some parents are warm, loving, listen to kids; others are cold, clinical, only their way
BAUMRIND’S PARENTING STYLES
Authoritarian – parent
Kids tend to be
Authoritarian – parent centered, not warm, high in control, more likely physical, have attitude of my way, don’t take feelings or needs into account
Kids tend to be more unhappy, moody, fearful, irritable, withdrawn, less likely to try new things, tend show lower self-esteem, think harsh aggressive methods will solve problems
BAUMRIND’S PARENTING STYLES
Permissive-Indifferent
Ex:
Permissive-Indifferent (absent, neglectful)
Ex: Doesn’t notice that Jess is up late; Jeff has no regular bedtime
BAUMRIND’S PARENTING STYLES
Permissive-Indulgent
Kids more likely to have
Ex:
Permissive-Indulgent (nurturing, but low in control and demand, no rules, want to be more of a friend, want kid to like them
Kids more likely to have huge sense of entitlement, spoiled, center of universe, aggressive, impulsive, lack self-control, self-reliance, low in independence; positives: cheerful
Ex: says, “find, if it’s that important to you.”
BAUMRIND’S PARENTING STYLES
Authoritative
Kids tend to be
Authoritative: high in control, not as much as authoritarian, have rules, expectations, regulations, consequences, but they’re reasonable, also child-centered and responsive, willing to negotiate, hear kids, generally associated with best outcome for child
Kids tend socially confident, self-control, assertive, helpful, more likely to have healthy sense of self esteem, friendly, self-reliant, cheerful,
CHANGES DURING PUBERTY
Rapid growth and weight gain
Average height 11 yr old, grow to be
Average height 11 yr old 5 ft tall, grow to be 5’9; girls 5’4
Girls have earlier growth spurt
Boys keep growing and become taller than girls after age 14
CHANGES DURING PUBERTY
Development of primary and secondary sex characteristics
Primary =
Secondary =
Girls: 1st menstrual period aka __
signals beginning of period is
Boys:
Primary = directly involved in reproduction
Secondary = indicates increasing sexual maturity (uterus bigger, eggs)
Girls: 1st menstrual period (menarche) signals beginning of period is FALSE; pubic hair, breasts, growth spurt
Boys: 1st ejaculation of seminal fluid; changes in genitals
Changes in genitals/breasts, growth of body hair, deepening of voice in boys