Ch. 3 - Northern Highlands

Ch. 3 - Northern Highlands

Chapter 5: Development Life Span Development Defining Terms Developmental Psychology Branch of psychology that specifically examines the physiological, cognitive, social, and emotional changes in an organism from conception to death. Developmental Psychologists utilize a number of different methods of inquiry to gather this information.

Cross-Sectional Study Study people of different ages at the same point in time Advantages Inexpensive Can be completed quickly Low attrition Disadvantages Different age groups are not necessarily much alike Differences may be due to cohort differences rather than age Longitudinal Study

Study the same group of people over time Advantages Detailed information about subjects Developmental changes can be studied in detail Eliminates cohort differences Disadvantages Expensive and time consuming Potential for high attrition Differences over time may be due to assessment tools and not age Biographical or Retrospective Study Participants past is reconstructed through

interviews and other research about their life Advantages Great detail about life of individual In-depth study of one person Disadvantages Recall of individual may not be accurate Can be expensive and time consuming Prenatal Development Prenatal - period of time from conception to birth Zygote a fertilized egg with full set of genes

Fewer than half survive first two weeks Divide into 100 cells by first week, then begin to differentiate Embryo From about two weeks after conception to three months after conception (most of first trimester) Organs begin to form; heartbeat Fetus (Latin: offspring or young one) Three months after conception to birth (second and third trimesters)

Organs continue to form (6 months- stomach gives preemie a chance to survive); response to sounds Placenta Connects fetus to mother Brings oxygen and nutrients and takes away wastes Prenatal Development Teratogens Any agent that causes a structural abnormality following fetal exposure during pregnancy Cocaine, alcohol, tetracycline, xrays, lithium, diazepam (Valium), HIV

Fetal alcohol syndrome (1 in 800) Occurs in children of women who consume large amounts of alcohol during pregnancy Symptoms include facial deformities, heart defects, stunted growth, and cognitive impairments Teens whose mothers drank are at heavy risk for alcohol dependence Prenatal Development Critical period

Specific time during which an organism has to experience stimuli in order to progress through developmental stages properly. If period passes without proper stimulation/development, development is hindered permanently The Newborn Baby aka NEONATE I WANT BACK IN! The Competent Newborn: Reflexes Rooting

Baby turns its head toward something that brushes its cheek and gropes around with mouth Sucking Newborns tendency to suck on objects placed in the mouth

Grasping Close fist around anything placed in their hand toes fan and curl Moro Drop baby unexpectedly Enables newborn babies to Babinski

Stroke bottom of foot Swallowing swallow liquids without choking Stepping Stepping motions made by an infant when held upright (?!) or make loud noise and it will throw arms out, arch back and then grasp for something

Crawling Place neonate on stomach and press down on soles of feet arms and legs move rhythmically The Competent Newborn: Temperament Temperament refers to characteristic patterns of emotional reactions and emotional self-regulation Thomas and Chess identified three basic types of babies (1977) + Kagan (1988) added a fourth Easy Good-natured, easy to care for, adaptable Difficult

Moody and intense, react to new situations and people negatively and strongly Slow-to-warm-up Inactive and slow to respond to new things, and when they do react, it is mild Shy Child Timid and inhibited, fearful of anything new or strange Temperament may predict later disposition The Competent Newborn: Sensory Learning

In addition to reflexes present at birth, neonates also have the ability to learn Habituation - basic type of learning involving decreased response to a stimulus judged to be of no importance/novelty Habituation Example Visual learning focus on FACES Olfactory learning fully functioning; smell of mother Auditory learning response to mothers voice Taste Fully functioning; preference for sweets! Novelty-Preference

Procedure Knowing that babies prefer faces, which image below would they prefer? The Competent Newborn: Visual Perception Dude. Im not going that way! Clear for 8-10 inches Good vision by 6 months Depth perception Visual cliff research Despite his mothers beckoning,

The Visual Cliff an infant hesitates to cross the visual cliffan apparently steep drop that is actually covered by transparent glass. Most infants 6 to 14 months of age were reluctant to crawl over the cliff, suggesting they had the ability to perceive depth. The ability to perceive depth is partly innate and partly a product of early visual Perception of Scale Perception of Scale Infancy and Childhood

Stop touching me. Ooh. How did you get your hair so silky soft? Physical Development: Body and Brain Children grow about 10 inches and gain about 15 pounds in first year Growth occurs in spurts, as much as 1 inch overnight! Growth slows during second year Neural pruning and paving Motor and Memory

Development Developmental norms Ages by which an average child achieves various developmental milestones Occurs in a proximodistal and cephalocaudal manner Back to Sleep movement to reduce SIDS may delay crawling Maturation Automatic biological unfolding of development in an organism as a function of passage of time Relatively uninfluenced by experience Memory not solidified until after 3rd birthday Known as infantile amnesia Development of hippocampus? Cognitive Development

Cognition all mental activities associated with thinking, knowing, remembering and communicating Jean Piaget Cognitive developmental psychologist who studied intellectual development in children Stage-based theory of cognitive development Intellectual growth as a process of adaptation (adjustment) to the world. This happens through Formation of schemas mental frameworks Assimilation using an existing schema to understand a new situation Accommodation modifying schemas to Piagets Stages of Development

Sensorimotor years) Stage (birth to 2 Take in world through senses Object permanence and the A not B error Preoperational Stage (2-7 years) Egocentrism; intuitive over logical reasoning Development of a theory of mind, ideas about their own and others cognitions and their resulting behaviors The Mountain problem, Mountain Problem Video

Concrete Operations (7-11 years) Logical reasoning about concrete events Principles of conservation ; Conservation Video Formal Operations (12 through Piagets Stages Summary Criticisms of Piaget's Theory Many Lev Vygotsky believed development was a function

of social interaction developmental theorists such as Vygotsky questioned the assumption that there are distinct stages in cognitive development Criticism of notion that infants do not understand world Piaget may have underestimated influence of social interaction in cognitive development Social Development: Attachment Stranger Anxiety

Appears around 8 months coincides with mobility Protective mechanism Attachment through Contact Humans form a bond with those who care for them in infancy Based upon interaction with caregiver Harry Harlows work: role of physical contact in attachment Attachment through Familiarity

Imprinting (Lorenz): 1:07. tendency to Top: Harlows experiment; Bottom: Lorenz and imprinting follow the first moving thing seen as the basis of attachment Occurs in many species of animals in a critical period Social Development: Attachment Attachment Differences Mary Ainsworths Strange Situation Secure attachment: Explores freely while the mother is present,

will engage with strangers, will be visibly upset when the mother departs, and happy to see the mother return. Anxious-ambivalent insecure attachment: Anxious of exploration and of strangers, even when mother is present. When mother departs, the child is extremely distressed. The child will be ambivalent when she returns, seeking to remain close to the mother but resentful, and also resistant when the mother initiates attention. Anxious-avoidant insecure attachment: Avoids or ignores mother - showing little emotion when the mother departs or returns. Will not explore much regardless of who is there. Strangers not treated much differently from mother. Not much emotional range displayed. Eriksons Basic Trust Deprivation of Attachment

Impact of denying infant monkeys physical comfort from t heir mother Cases of Genie and Victor Self Concept and Parenting Styles Self Concept: understanding of who we are If infants can achieve attachment, children must achieve a positive self concept Develops gradually in first year Mirror Test By 18 months, children know THEY are the image in the mirror, and that it is not another person Children with a positive self concept are more confident, assertive, optimistic, and sociable, but how is this achieved? Diana Baumrinds 4 Parenting Styles may help explain Authoritarian demanding not responsive

Permissive not demanding but responsive Neglectful not demanding, not responsive Authoritative demanding and responsive Impact of parenting styles on children? Authoritative appears to be best, but Correlational NOT causational research! Mirror Test Baumrinds Parenting Styles: Comparison Relationships With Other Children Solitary play Children first play by themselves

Parallel play As they get older, children play side- by-side with other children, but not interacting Cooperative play By about 3 or 3, children begin playing with others Peer group

A network of same-aged friends and Parallel Play vs. Cooperative Play acquaintances who give one another emotional and social support When children start school, peers begin to have greater influence Sex-Role Development

Gender identity Knowledge of being a boy or girl Occurs by age 3 Gender constancy Child realizes that gender cannot change Occurs by age 4 or 5 Gender-role awareness Knowing appropriate behavior for each gender Gender stereotypes Beliefs about presumed characteristics of each gender Sex-typed behavior Socially defined ways to behave different for boys and girls May be at least partly biological in origin

Adolescence The Nature of Adolescence A Carefree Time vs. G. Stanley Halls Storm and Stress The American experience? Trends today? Cultural differences? Physical Changes Growth spurt Begins about age 10 in girls and about 12 in boys Sexual development Primary (reproductive) vs. Secondary (nonreproductive) sexual characteristics

Puberty Onset of sexual maturation Menarche First menstrual period for girls Neurological changes frontal lobe maturation Physical Changes: Sexual Activity Early and late developers: Implications? Adolescent sexual activity

Approximately of males and of females between 15 and 19 have had intercourse Average age for first intercourse is 16 for boys and 17 for girls Teenage pregnancy Rate of teen pregnancy has fallen in the last 50 Cognitive Changes Frontal Lobe (cont.)

Hypocrisy Idea of self vs. society Hyperaware of others perceptions (self concept shifts to includes others thoughts) David Elkinds Theories Imaginary audience: delusion that everyone

else is always focused on them Personal fable: delusion that they are unique and very important Invulnerability Nothing can harm them Reckless behavior Kohlbergs Stages of Moral Development Preconventional (preadolescence) Good behavior is mostly to avoid punishment or seek reward

Conventional (adolescence) Behavior is about pleasing others and, in later adolescence, becoming a good citizen Postconventional (adulthood...maybe) Kohlbergs Stages of Moral Development The Heinz Dilemma A woman was near death from a special kind of cancer.

There was one drug that the doctors thought might save her. The drug was expensive to make, but the druggist was charging ten times what the drug cost him to produce. The sick woman's husband, Heinz, went to everyone he knew to borrow the money, but he could only get together about $1,000 which is half of what it cost. He told the druggist that his wife was dying and asked him to sell it cheaper or let him pay later. But the druggist said: "No, I discovered the drug and I'm going to make money from it." So Heinz got desperate and broke into the man's store to steal the drug for his wife. Should Heinz have broken into the store to steal the drug for his wife? Why or why not? The response is not as important as the reasoning WHY in determining which stage of moral reasoning a person is in

Criticisms of Kohlbergs Theory Research shows that many people never progress past the conventional level Theory maintains that our rationale remains consistent does it? Theory does not take cultural differences into account Theory is considered by some to be sexist in that girls often scored lower on tests of morality Personality and Social Development

Major task in adolescence is identity formation (progresses through college) Forming an identity (James Marcia, 1980) Achievement Successfully find identity Foreclosure Settle for identity others wish for them (images in society/parents plant) Moratorium Explore various identities, but unable to commit Diffusion Unable to find themselves refusal to deal with the task; escapist techniques Different selves conflicting (i.e. having friends over) causes stressunification occurs when youve become comfortable with one that fits all (or most)

Eriksons 8 Psychosocial Stages Identity vs. Role Confusion (teens to early 20s) Intimacy vs. Isolation (early 20s to early 40s) Personality and Social Development Relationships with peers Adolescents often form cliques, or groups with similar interests and strong mutual attachment Relationships

with parents Adolescents test and question every rule and guideline from parents (can sniff out hypocrisy) Can be a difficult time for parents AND children Relative influence? Some Issues of Adolescence Declines in self-esteem Related to appearance Satisfaction in appearance is related to higher self-

esteem Depression and suicide Rate of suicide among adolescents has increased 600% since 1950, but has leveled off since 90s Suicide often related to depression, drug abuse, disruptive behaviors, or child abuse Youth Violence- tried as adults? (remember the frontal lobe) Emerging Adulthood trends in lengthening this period Adulthood Love, Partnerships, and

Parenting Forming partnerships First major event of adulthood is forming and maintaining close relationships Eriksons Intimacy vs. Isolation Parenthood Having children alters dynamics of relationships Marital satisfaction often declines after birth of child Marital Satisfaction Other Issues

The World of Work Balancing career and family obligations is a challenge Many adults define who they are by what they do Cognitive Changes Fluid intelligence declines with old age Crystallized intelligence does NOT decline, and even can increase as learning continues throughout life

Many parents report feeling a sense of relief when their children move out! Personality Changes Less self-centered, better coping skills Some men and women have a midlife crisis (or midlife transition) Late Adulthood Physical Changes In late adulthood, physical deterioration is inevitable As early as the twenties, strength, reaction times, sensory abilities and cardiac capacity

decline, though in late adulthood we may finally notice Menopause and the end of fertility Social Development I cant wait to swill my whiskey from this vessel! Im too cool for ceramic s Independent and satisfying lifestyles Eriksons Generativity vs. Stagnation

Retirement Most people will stop working and face challenges with that sudden change Redefining of self Marital satisfaction Sexual behavior Research shows that many older couples continue to be sexually active It is not until age 75 that half of men and most women

report a complete loss of interest in sex Cognitive Changes Checkmate, Sucka! Research has demonstrated that those who continue to exercise their mental abilities can delay mental decline Even PHYSICAL exercise seems to have a positive impact on cognitive maintenance However, Alzheimers disease afflicts approximately 10% of

Facing the End of Life Elizabeth KublerRosss stages of grief/death Denial Anger Bargaining Depression Acceptance Giraffe: Stages of Dyin

g Eriksons Integrity vs.

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