Developement Flashcards

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1
Q

Chromosomes

A

threadlike structures made of DNA molecules that contain the genes; get 23 from each parent

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2
Q

Identical Twins

A

twins who develop from a single zygote (fertilized egg) that splits in two, creating two genetic replicas

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3
Q

Fraternal Twins

A

twins who develop from two zygotes; genetically no closer than brothers and sisters

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4
Q

Dominant Genes

A

always are expressed, even if paired with a recessive gene

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5
Q

Recessive Genes

A

only express if paired with another recessive gene

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6
Q

Genotype

A

the actual DNA of the organism

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7
Q

Phenotype

A

the outward, physical manifestation of the genotype

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8
Q

Behavior Genetics

A

the study of the power and limits of genetic and environmental influences on behavior

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9
Q

Nature vs. Nurture

A

Nature: the way you were born
Nurture: the way you were raised

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10
Q

Heritability

A

proportion of variation among individuals that we can attribute to genes
**Environment has an impact too

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11
Q

Natural Selection

A

inherited trait variations contributing to reproduction and survival will most likely be passed on to succeeding generations

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12
Q

Cross-Sectional Studies

A

participants of different ages studied at the same time

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13
Q

Longitudinal Studies

A

one group of people studied over a period of time

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14
Q

Placenta

A

first pre-natal influence

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15
Q

Touch

A

results in faster weight gain and neurological development for both babies and animals

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16
Q

Parent influence

A

education, discipline, responsibility, orderliness, charitableness, ways of interacting with authority figures

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17
Q

Peer influence

A

learning cooperation, finding popularity, styles of peer interaction, drug behavior

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18
Q

Norms

A

an understood rule for accepted and expected behavior

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19
Q

Social learning theory

A

theory that we learn social behavior by observing and imitating and by being rewarded or punished

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20
Q

Gender role

A

a set of expected behaviors for males and females

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21
Q

gender identity

A

one’s sense of being male or female

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22
Q

gender-typing

A

the acquisition of a tradition masculine or feminine role (teaching your kids)

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23
Q

Trust vs. Mistrust

A

Infancy (0-1 year)

if needs are dependably met, infants develop a sense of basic trust

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24
Q

Autonomy vs. Shame & Doubt

A
Toddler hood (1-2 years) 
Toddlers learn to exercise their will and do things for themselves, or they doubt their abilities
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25
Q

Initiative vs guilt

A

Preschooler (3-6 years)

preschoolers learn to initiate tasks and carry out plans, or they feel guilty about their efforts to be independent

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26
Q

Industry vs. inferiority

A
Elementary School (6 years to puberty)
children learn the pleasure of applying themselves to tasks, or they feel inferior
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27
Q

Identity vs. Role confusion

A

Adolescence (teen years into 20s)
teenagers work at refining a sense of self by testing roles and then integrating them to form a single identity, or they become confused about who they are

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28
Q

Intimacy vs. Isolation

A
young adulthood (20s to early 40s)
young adults struggle to form close relationships and to gain the capacity for intimate love, or they feel socially isolated
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29
Q

Generativity vs. stagnation

A
middle adulthood (40s-60s)
in middle age, people discover a sense of contributing to the world, usually through family and work, or they may feel a lack of purpose
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30
Q

Integrity vs. Despair

A
Late adulthood (late 60s and up)
reflecting on his or her life, and older adult may feel a sense of satisfaction or failure
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31
Q

conception

A

the sperm attempts to penetrate the egg’s surface

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32
Q

zygote

A

fertilized egg, first 2 weeks of development

outer part becomes placenta

33
Q

embryo

A

after two weeks, lasts about 6 weeks, heart begins to beat and organs begin to develop

34
Q

fetus

A

nine weeks and onward, by six months can survive outside womb, can recognize sounds and responds to light

35
Q

teratogens

A

chemical agents that can harm the prenatal environment

36
Q

habituation

A

decreasing responsiveness to repeated stimuli (how quickly they get bored)

37
Q

maturation

A

biological growth pattern

38
Q

infant memory

A

underdeveloped hippo campus and cortex areas result in lack of long term memory before ages 3-4

39
Q

gross motor skills

A

involve large muscle activities, such as walking

40
Q

fine motor skillls

A

involve more finely tuned movements, such as finger dexterity

41
Q

rooting reflex

A

baby turns to search and suck when cheek touched

42
Q

moro reflex

A

startle response

43
Q

babinski reflex

A

toes fan out when sole of foot touched

44
Q

sensorimotor

A

(0-2) object permanence and baby mathematics

45
Q

preoperational

A

(2-7) egocentric and pretend play

46
Q

concrete operational

A

(7-11) conservation: volume and mass remain the same

47
Q

formal operational

A

(12 and up) abstract reasoning: thinking about your thinking

48
Q

Schema

A

mental ways we interpret/organize the world around us

49
Q

assimilation

A

incorporating new experiences into existing schemas

50
Q

accomodation

A

changing an existing schema to adapt to new information

51
Q

imprinting

A

an automatic attachment formed very early in life

52
Q

Harlow’s monkey experiment

A

monkeys preferred contact with the comfortable cloth mother even while feeding from the nourishing wire mother (need touch for attachment)

53
Q

critical periods

A

the optimal period when an organism’s exposure to certain stimuli or experiences produces proper development

54
Q

Types of attachment

A

secure, avoidant(no emotion), anxious/ambivalent(always cry)

55
Q

stranger anxiety

A

fear of strangers that infants commonly display, begins around 8 months

56
Q

separation anxiety

A

distress the infant shows when object of attachment leaves, begins around 14 months

57
Q

authoritarian parenting

A

parents impose rules and expect obedience

58
Q

permissive parenting

A

submit to children’s desires, make few demands, use little punishment

59
Q

authoritative parenting

A

both demanding and responsive

60
Q

preconventional

A

obey to avoid punishment or attain rewards

key point: self-interest

61
Q

conventional

A

uphold laws and rules because they are the laws and rules

key point: social-approval

62
Q

postconventional

A

person follows what they personally perceive as ethical principles
key point: ethical principles

63
Q

physical changes of old age

A

muscular strength, reactionary time, sensory keeness, and cardiac output all crest in the mid twenties

64
Q

decline in fertility

A

chances of pregnancy for a 35-39 year old are half that of a 19-26 year old

65
Q

menopause

A

the time of natural cessation of menstruation

occurs approximately around age 50

66
Q

aging senses

A

our senses get worse with age, accident rates increase with age

67
Q

good news about health

A

accumulation of antibodies result in less short term ailments (flu or cold)

68
Q

Bad news about health

A

immune system weakens, making the body more susceptible to ailments such as pneumonia and cancer

69
Q

Memory atrophy

A

by age 80 brain weight has decreased by 5%

overly blunt questions

70
Q

Dementia

A

mental erosion of the brain (substantial loss of brain cells)

71
Q

Alzheimer’s Disease

A

a progressive and irreversible brain disorder

deterioration of brain cells that produce acetylcholine

72
Q

crystallized intelligence

A

accumulated knowledge increases with age

73
Q

fluid intelligence

A

ability to solve problems quickly and think abstractly

peaks in 20s and decreases over time

74
Q

social clock

A

the culturally preferred timing of social events

75
Q

stages of death and grieving

A

denial, anger, bargaining, depression, acceptance

76
Q

primary sex characteristics

A

body structures that make reproduction possible

77
Q

secondary sex characteristics

A

non-reproductive sex characteristics

78
Q

landmarks for puberty

A

girls: menarche
boys: first ejaculation