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Life-Span Development
spring 2010
133
Psychology
Undergraduate 1
01/31/2010

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Term
Development
Definition
pattern of movement or change that begins at conception & continues through the human life span.
Term
Traditional Approach
Definition
emphasizes extensive change from birth to adolescence, little to no change in adulthood, and decline in old age.
Term
Life-Span Approach
Definition
emphasizes developmental change throughout childhood and adulthood.
Term
Eight Characteristics of the Life-Span Perspective
Definition
-Lifelong
-Multidimensional
-Multidirectional
-Plastic
-Multidisciplinary as a science
-Contextual
-Growth, maintenance, and regulation of loss
-Construction of biology, culture, and the individual
Term
Normative age-graded Influences
Definition
Describes influences that are similar for individuals in a particular age group.
Term
Normative history-graded Influences
Definition
Describes influences common to individuals of a particular generation because of historical circumstances.
Term
Life-Expectancy
Definition
Average number of years that a person can expect to live.
Term
Normative Life Events
Definition
Unusual events that have a major impact on an individuals life.
Term
Culture
Definition
The behavior patterns, beliefs, and all other products of a group that are passed on from generation to generation.
Term
Cross-Cultural Studies
Definition
Comparisons of one culture with one or more other cultures. These provide information about the degree to which children's development is similar, or universal, across cultures, and to the degree to which it is culture-specific.
Term
Ethnicity
Definition
A characteristic based on cultural heritage, nationality, race, religion, and language.
Term
Socioeconomic Status (SES)
Definition
Refers to a person's position within society based on occupational, educational, and economic characteristics.
Term
Gender
Definition
Refers to the characteristics of people as males or females.
Term
Social Policy
Definition
The laws, regulations, and government programs designed to promote the welfare of its citizens.
Term
Biological Processes
Definition
Changes in an individual's physical nature.
Term
Cognitive Processes
Definition
Changes in an individual's thought, intelligence, and language.
Term
Socioemotional Processes
Definition
Changes in an individual's relationships with other people, emotions, and personality.
Term
Prenatal Period
Definition
-Conception to birth (40 weeks)
-Tremendous growth
Term
Infancy Period
Definition
-Birth to 18-24 months
-Dependent on adults
-Development of many psychological activities
Term
Early Childhood Period
Definition
-End of infancy to 5-6 years
-Self sufficiency and increased play
Term
Middle and Late Childhood Period
Definition
-6-11 years
-Focus on achievement and self control
-Learn school related activities
Term
Adolescence Period
Definition
-10-12 through 18-22 years
-Rapid physical change
-Pursue independence and identity
Term
Early Adulthood Period
Definition
-Late teens to early 30s
-Personal and financial independence
-Find a mate
Term
Middle Adulthood Period
Definition
-40-60 years
-Social involvement and responsibility
-Assisting the next generation
Term
Late Adulthood Period
Definition
-60-70s to death
-Life review
-Adjustment to new social roles
Term
Nature
Definition
We are a product of our genes and evolution. (Biology)
Term
Nurture
Definition
We are a product of our upbringing and social environments. (Environment)
Term
Stability
Definition
Traits and characteristics are the result of heredity and early life experiences (0-3 years)
Term
Change
Definition
Traits and characteristics an change as a result of later life experiences.
Term
Continuity
Definition
A process of gradual cumulative change (ex: puppy to dog)
Term
Discontinuity
Definition
Set of distinct stages (ex: caterpillar to butterfly)
Term
Scientific Method
Definition
1. Conceptualize a problem or process to be studied
2. Collect data
3. Analyze data
4. Draw conclusions
Term
Theory
Definition
A set of ideas that help to explain phenomena and make predictions.
Term
Hypothesis
Definition
Specific assertion or prediction to be tested.
Term
Psychoanalytic Theories
Definition
-Describe development as mostly unconscious
-Early experiences shape behavior, especially parents
-Must analyze symbolic meaning of behavior to truly understand.
Term
Freud's Theory
Definition
Known as the psychosexual stages. If the need for pleasure at any stage is either under-gratified or over-gratified, an individual may become fixated at that stage of development.
Term
Oral Stage
Definition
(Birth to 1 1/2 years)
-Infants pleasure centers on the mouth.
Term
Anal Stage
Definition
(1 1/2 to 3 years)
-Child's pleasure focuses on the anus.
Term
Phallic Stage
Definition
(3 to 6 years)
-Child's pleasure focuses on the genitals
Term
Latency Stage
Definition
(6 years to puberty)
-Child represses sexual interest and develops social and intellectual skills.
Term
Genital Stage
Definition
(Puberty onward)
-A time of sexual reawakening; source of sexual pleasure becomes someone outside the family.
Term
Erikson's Psychosocial Theory
Definition
Took Freud's theory and applied it to social development. Contains the eight stages on man.
Term
Trust vs. Mistrust
Definition
#1 (Infancy, first year)
-Infancy's trust in their parent.
Term
Autonomy vs. Shame and Doubt
Definition
#2 (Infancy, 1-3 years)
-Infants begin to explore behavior on own.
-Start to assert sense of independence.
-Will develop sense of shame and doubt if punished too much or too harshly.
Term
Initiative vs. Guilt
Definition
#3 (Early childhood, preschool 3-5 years)
-Acquire responsible behavior.
-Feelings of guilt may arise if child is irresponsible or feels to anxious.
Term
Industry vs. Inferiority
Definition
#4 (Middle and Late childhood, elementary school years 6-puberty)
-Children direct knowledge to master a skill at intellectual level.
-Feels incompetent and unproductive if they feel a sense of inferiority.
Term
Identity vs. Identity Confusion
Definition
#5 (Adolescence, 10-20 years)
-If child arrives at a positive path in life they gain a sense of identity.
Term
Intimacy vs. Isolation
Definition
#6 (Early Adulthood, 20s & 30s)
-Task of forming intimate relationships.
-If intimacy is not found, child goes into isolation.
Term
Generativity vs. Stagnation
Definition
#7 (Middle Adulthood, 40s & 50s)
-Helping the younger generation to develop and lead useful lives.
-Stagnation occurs if feeling of having done noting arrises.
Term
Integrity vs. Despair
Definition
#8 (Late Adulthood, 60s-onward)
-Integrity reached if when looking back on life it has been successful.
-Despair felt if life was not well spent.
Term
Cognitive Theories
Definition
Development is a function of changes in thinking.
Term
Piaget's Cognitive Theory
Definition
-Conscious thought
-Process of adaptation and assimilation
-Four Stages of Cognitive Development in children
Term
Sensorimotor Stage
Definition
(1-2)
-Overt Actions
-Object Permanence
Term
Pre-operational Stage
Definition
(2-7)
-Egocentrism
-Rigidity of thought
-Semi-logical Reasoning
-Limited Social Cognition
Term
Concrete Operational Stage
Definition
(7-11)
-Application of Mental Operations (limited to concrete objects)
Term
Formal Operational Stage
Definition
(11-15)
-Thought is abstract, logical, and flexible
Term
Vygotsky's Sociocultural Cognitive Theory
Definition
-Children actively construct their knowledge
-Emphasize how social interactions and culture guide cognitive development
-Less skilled learn from those who are more skilled (apprenticeship)
Term
Alcohol & Pregnancy
Definition
-Fetal Alcohol Syndrome: abnormalities in the newborn due to the mother's use of alcohol during pregnancy
-Facial deformities, defective limbs, face, heart
-Most have below-average intelligence, some are mentally retarded.
Term
Information Processing Theory
Definition
-Individuals manipulate information, monitor it, and strategize about it
-Develop gradually increasing capacity for processing information
-Individuals learn strategies for better information processing
Term
Nicotine & Pregnancy
Definition
-Can negatively influence prenatal development, birth, and postnatal development.
-Preterm birth and low birth weight
-Fetal and neonatal death, respiratory problems, SIDS, ADHD.
Term
Incompatible Blood Type (Rh factor)
Definition
Can cause mother's blood to create antibodies to attack the fetus.
Term
Behaviorism
Definition
-Development is an observable behavior
-Experience effects development.
Term
Skinner's Operant Conditioning
Definition
-Consequences of behavior determine the likelihood of the behavior being repeated.
-Reinforcement increases the likelihood of a behavior
-Punishment decreases the likelihood of behavior.
Term
Bandura's Social Cognitive Theory
Definition
(Studied aggressive males)
-Observational Learning, people cognitively represent observed behaviors.
Term
Ethological Theory
Definition
-Behavior is strongly influenced by biology and evolution
-Konrad Lorenz (imprinting in geese)
-Bowlby stressed the importance of human attachment during the first year of life.
Term
Eclectic Theoretical Orientation
Definition
-No single theory can explain all of development
-Every theory has contributed to our understanding
-Selects from each theory whatever is considered its best features
Term
Research Methods
Definition
-Qualitative (describe with words, interviews, case studies)
-Correlational Studies (NO CAUSATION)
-Quantitative (describe with numbers, survey, tests)
-Experimental Studies (CAN SHOW CAUSATION, statistically significant)
Term
Cross-Sectional Research
Definition
Simultaneously compares individuals of different ages.
-Advantage (fast and inexpensive)
-Disadvantage (does not give information about development)
Term
Longitudinal Research
Definition
Studies the same individuals over a period of time, usually several years or more.
-Advantage (provides information about development)
-Disadvantage (expensive and time-consuming)
Term
Cohort
Definition
A group of people who are born at a similar point in history and share similar experiences
Term
Cohort Effects
Definition
Difference due to person's time of birth, era, or generation, but not to actual age.
Term
Natural Selection
Definition
Individuals best adapted to the environment will survive and reproduce.
Term
Bidirectional View
Definition
-Environment and biological structures influence each other.
-We don't just change in response to our environments but change our environments to fit our needs.
Term
Chromosomes
Definition
Thread like structures that contain DNA
Term
DNA
Definition
Complex molecule with a double helix shape and contains genetic information.
Term
Genes
Definition
Unites of hereditary information composed of short segments of DNA. Genes instruct cells to reproduce and to assemble proteins.
Term
Proteins
Definition
Building blocks of cells.
Term
Genome
Definition
Complete set of developmental instructions for creating a human.
Term
Mitosis
Definition
(Cell Reproduction)
-Nucleus duplicate and the cell divides
Term
Meiosis
Definition
(Sperm and Egg Cell Division)
-Each cell divides twice forming 4 cells with 23 unpaired chromosomes.
Term
Sex is determined by...
Definition
23rd chromosome.
-Male: XY
-Female: XX
Term
Monozygotic
Definition
(Identical Twins)
-Occurs when one zygote splits into two.
-Genetically identical
Term
Dizygotic
Definition
(Fraternal Twins)
-Occurs when two eggs are fertilized.
-Genetically the same as siblings.
Term
Genotype
Definition
The DNA inherited from each parent.
Term
Phenotype
Definition
How the DNA manifests; observable characteristics; how the organism looks and behaves
Term
Polygenetic Inheritance
Definition
Multiple genes necessary for one outcome.
Term
Genetic Imprinting
Definition
Differing outcomes depending on whether the genome is inherited from the mother or father.
Term
X-Linked Gene Diseases
Definition
Fragile X Syndrome, Hemophilia, Red-Green Color Blindness
Term
Numerical Abnormalities
Definition
When an individual is either missing a pair of chromosomes or has an extra chromosome
-Example: Down Syndrome (Trisomy 21)
Term
Structural Abnormalities
Definition
When the structure of a chromosome is altered (deletion, duplication, translocation, inversion, rings)
-Every body in the cell is affected
Term
Klinefelter Syndrome
Definition
-Males born with XXY instead of XY
-Usually small testicles an reduced fertility
Term
Fragile X Syndrome
Definition
-X chromosome constricted or breaks off
-Mental retardation
-Males: (1 in 4000), Females: (1 in 8000)
Term
Turner Syndrome
Definition
-Females born with XO rather than XX
-Sometimes causing infertility
Term
XYY Syndrome
Definition
-Males with extra Y chromosome
-Usually no abnormal physical characteristics but often learning difficulties and slow language development.
Term
PKU
Definition
Inability to metabolize phenylalanine
Term
Sickle-Cell Anemia
Definition
Impaired red blood cells die more quickly; more often found in African Americans.
Term
Gene-Linked Abnormalities
Definition
Caused by harmful genes (ex: cystic fibrosis, diabetes, spina bifida, Huntington disease, Tay-Sachs disease)
Term
Chorionic Villus Sampling (CVS)
Definition
Small sample of placenta is removed to detect genetic and chromosomal abnormalities.
Term
Amniocentesis
Definition
Sample of amniotic fluid is removed to test for chromosomal or metabolic disorders.
Term
Epigenetic View
Definition
Development is an ongoing bidirectional interchange between heredity and the environment
Term
Genetic Loading
Definition
A propensity to a particular developmental path of complex behaviors.
Term
Conception
Definition
When a sperm and ovum (egg) unite
Term
Germinal Period
Definition
-First 2 weeks after conception
-Rapid growth of zygote
Term
Blastocyst
Definition
Groups of cells after 1 week
Term
Trophoblast
Definition
-Outer layer of cells that provide nutrients and support for the embryo.
-Precursor to the placenta
Term
Implantation
Definition
(11-15 days after conception)
Attachment of the zygote to the uterine wall.
Term
Embryonic Period
Definition
-Development 2-8 weeks post conception
-Begins when blastocyst attaches to uterus
Term
Embryo
Definition
Mass of cells
Term
Endoderm
Definition
-Inner lining tissue of the visceral cavity and others
-Respiratory system
Term
Mesoderm
Definition
-Muscle and connective tissue and others
-Bones, muscles, reproductive systems
Term
Ectoderm
Definition
-Outer skin and nervous tissue and others
-Nervous system
Term
Amnion
Definition
Bag of clear (amniotic) fluid in which the embryo floats
Term
Umbilical Cord
Definition
Connects the baby to placenta
Term
Placenta
Definition
Group of tissues containing mother and child's intertwined blood vessels.
Term
Organogenesis
Definition
Organ development during the embryonic period.
Term
Fetal Period
Definition
-8 weeks post conception to birth
-Rapid growth and development, weight & height changes, motor development, fatty tissues develop.
-Fetus is viable (able to survive outside the womb) at 24 weeks.
Term
Neurogenesis
Definition
-Creation of neurons
-Begins at 5th prenatal week and continues throughout prenatal period
Term
Neuronal Migration
Definition
-Approx. 6-24 weeks after conception
-Cells move outward from their point of origin to their appropriate locations.
Term
Teratogens
Definition
-Any agent that can cause birth defects or can negatively alter behavioral or cognitive processes.
Term
Caffeine & Pregnancy
Definition
-Small risk of miscarriage & low birth weight
Term
Stage 1 of Birth
Definition
-Uterine contractions begins at 15-20 minutes apart and last up to 1 minute, becoming close and more intense with time.
-Cervix stretches and opens to 10 cm.
-Lasts about 12 to 24 hours.
Term
Stage 2 of Birth
Definition
-Baby's head begins to move through dilated cervix opening and eventually emerges from the mother's body.
-Lasts around 45 minutes.
Term
Stage 3 of Birth
Definition
Umbilical cord, placenta, and other membranes are detached and expelled (afterbirth)
Term
Analgesia
Definition
Pain relief
Term
Oxytocics
Definition
Synthetic hormones used to stimulate contractions
Term
Cesarian Delivery
Definition
-Baby is removed from the mother's uterus through an incision made at the abdomen
-Higher infection rate, longer recovery time.
Term
Anoxia
Definition
Condition in which the fetus has an insufficient supply of oxygen (influences motor skills)
Term
Apgar Scale
Definition
-Assessed 1 and 5 minutes after birth
-Evaluates heart rate, body color, muscle tone, respiratory effort, reflex irritability.
-(7-10): good, 5 and below: may have development delays.
Term
Causes for Low Birth Weight
Definition
Poor health & nutrition, smoking, adolescent births, drugs.
Term
Small-for-Date Infant
Definition
Infant whose birth weight is below normal when the length of the pregnancy is considered.
Term
Factors for Preterm Birth
Definition
-Young mothers, disease in mother, poor nutrition, preeclampsia, substance abuse
Term
Kangaroo Care
Definition
Treatment for preterm infants that involves skin to skin contact.
Term
Post Partum Period
Definition
Involution, fatigue, hormone changes, return of menstruation, weight loss
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