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PSYC1101 - Chapter 8, 4th Edition PowerPoint
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Copyright Š2015, 2012, 2008 by Pearson Education, Inc.
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Psychology, Fourth Edition
Saundra K. Ciccarelli ⢠J. Noland White
Chapter 8
development across the life span
2. Copyright Š 2015, 2012, 2008 by Pearson Education, Inc.
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Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
Learning Objective Menu
8.1 What are some of the special research designs used to study development?
8.2 What is the relationship between heredity and environmental factors in
determining development?
8.3 How do chromosomes, genes, and DNA determine a personâs characteristics or
disorders?
8.4 What happens during conception and prenatal development and what are some
prenatal hazards?
8.5 What kind of physical changes take place in infancy and childhood?
8.6 What are two ways of looking at cognitive development, how does language
develop, and what is autism spectrum disorder?
8.7 How do infants and children develop personalities and form relationships with
others, and what are Eriksonâs stages of psychosocial development for children?
8.8 What are the physical, cognitive, and personality changes that occur in
adolescence, including concepts of morality and Eriksonâs search for identity?
8.9 What are the physical, cognitive, and personality changes that occur during
adulthood and aging, including Eriksonâs last three psychosocial stages, and
patterns of parenting?
8.10 How do psychologists explain why aging occurs, and what are the stages of death
and dying?
8.11 What are some cross-cultural differences in views of death and dying?
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Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
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All rights reserved.
Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
Developmental Research Designs
⢠Human development: the scientific study
of the changes that occur in people as
they age from conception until death
⢠Longitudinal design: research design in
which one participant or group of
participants is studied over a long period
of time
â cohort effect: impact on development when a
group of people share common time period or
life experience
LO 8.1 Special Research Methods Used to Study Development
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Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
Longitudinal Design
Tested at 1 year
(Time 1)
Again at 4 years
(Time 2)
Again at 7 years
(Time 3)
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Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
Longitudinal Design
Tested at 1 year
(Time 1)
Again at 4 years
(Time 2)
Again at 7 years
(Time 3)
Same Participants
Different Times Different Times Different Times
Compare Compare
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Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
Developmental Research Designs
⢠Cross-sectional design: research design in
which several different age groups of
participants are studied at one particular
point in time
⢠Cross-sequential design: research design
in which participants are first studied by
means of a cross-sectional design but
also followed and assessed for a period of
no more than six years
LO 8.1 Special Research Methods Used to Study Development
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Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
Nature versus Nurture
⢠Nature: the influence of our inherited
characteristics on our personality, physical
growth, intellectual growth, and social
interactions
⢠Nurture: the influence of the environment
on personality, physical growth,
intellectual growth, and social interactions
⢠Behavioral genetics: focuses on nature vs.
nurture
LO 8.2 The Relationship between Heredity and Environmental Factors
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Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
Genetics and Development
⢠Genetics: the science of inherited traits
â behavioral genetics
⢠DNA (deoxyribonucleic acid): special
molecule that contains the genetic
material of the organism
LO 8.3 Chromosomes, Genes, DNA, and Multiple Births
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Saundra K. Ciccarelli ⢠J. Noland White
Figure 8.1 DNA Molecule
In this model of a DNA molecule, the two strands making up the sides of the âtwisted ladderâ are
composed of sugars and phosphates. The ârungsâ of the ladder that link the two strands are amines.
Amines contain the genetic codes for building the proteins that make up organic life.
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Saundra K. Ciccarelli ⢠J. Noland White
Genetics and Development
⢠Gene: section of DNA having a certain
pattern of chemical elements
â dominant: referring to a gene that actively
controls the expression of a trait
â recessive: referring to a gene that only
influences the expression of a trait when
paired with an identical gene
LO 8.3 Chromosomes, Genes, and DNA
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Saundra K. Ciccarelli ⢠J. Noland White
Figure 8.2 Dominant and Recessive Genes and PKU
This figure shows the variation of parents carrying one or two recessive genes and the result of this in their offspring.
(a) If only one parent carries the PKU gene, their children might be carriers, but will not have PKU.
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Saundra K. Ciccarelli ⢠J. Noland White
Figure 8.2 (continued) Dominant and Recessive Genes and PKU
This figure shows the variation of parents carrying one or two recessive genes and the result of this in their offspring.
(b) Only if both parents are carriers of PKU will a child have the 1 in 4 possibility of having PKU.
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Saundra K. Ciccarelli ⢠J. Noland White
Genetics and Development
⢠Chromosome: tightly wound strand of
genetic material or DNA
⢠Chromosome disorders include Down
syndrome, Klinefelterâs syndrome, and
Turnerâs syndrome
⢠Genetic disorders include PKU, cystic
fibrosis, sickle cell anemia, and Tay-Sachs
disease
LO 8.3 Chromosomes, Genes, and DNA
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Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
Genetics and Development
⢠Conception: the moment at which a
female becomes pregnant
⢠Ovum: the female sex cell, or egg
⢠Fertilization: the union of the ovum and
sperm
⢠Zygote: cell resulting from the uniting of
the ovum and sperm; divides into many
cells, eventually forming the baby
LO 8.3 Chromosomes, Genes, and DNA
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Saundra K. Ciccarelli ⢠J. Noland White
Conception and Twins
⢠Monozygotic twins: identical twins
â formed when one zygote splits into two
separate masses of cells, each of which
develops into a separate embryo
⢠Dizygotic twins: often called fraternal twins
â occur when two eggs get fertilized by two
different sperm, resulting in the development
of two zygotes in the uterus at the same time
LO 8.3 Chromosomes, Genes, and DNA
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Saundra K. Ciccarelli ⢠J. Noland White
Figure 8.3 Monozygotic and Dizygotic Twins
Because identical twins come from one fertilized egg (zygote), they are called monozygotic. Fraternal twins, who come
from two different fertilized eggs, are called dizygotic.
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Saundra K. Ciccarelli ⢠J. Noland White
Periods of Pregnancy
⢠Germinal period: first two weeks after
fertilization, during which the zygote
moves down to the uterus and begins to
implant in the lining
â embryo is the name for the developing
organism from two weeks to eight weeks after
fertilization
LO 8.4 Germinal, Embryonic, and Fetal Periods of Pregnancy
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Saundra K. Ciccarelli ⢠J. Noland White
Periods of Pregnancy
⢠Embryonic period: the period from two to
eight weeks after fertilization, during which
the major organs and structures of the
organism develop
â critical periods: times during which certain
environmental influences can have an impact
on the development of the infant
â teratogen: any factor that can cause a birth
defect
LO 8.4 Germinal, Embryonic, and Fetal Periods of Pregnancy
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Saundra K. Ciccarelli ⢠J. Noland White
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Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
Periods of Pregnancy
⢠Fetal period: the time from about eight
weeks after conception until the birth of
the child
â fetus: name for the developing organism from
eight weeks after fertilization to the birth of the
baby
â viability: the point at which it is possible for an
infant to survive outside the womb, usually
about 22-26 weeks
LO 8.4 Germinal, Embryonic, and Fetal Periods of Pregnancy
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Saundra K. Ciccarelli ⢠J. Noland White
Physical Development in Infancy and Childhood
⢠Infants are born with reflexes that help
them survive
â grasping
â Moro (startle)
â rooting
â stepping
â sucking
LO 8.5 Physical Changes in Infancy and Childhood
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Saundra K. Ciccarelli ⢠J. Noland White
Figure 8.4 Five Infant Reflexes
Shown here are (a) grasping reflex; (b) startle reflex (also known as the Moro reflex); (c) rooting reflex (when you touch
a babyâs cheek it will turn toward your hand, open its mouth, and search for the nipple);
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Saundra K. Ciccarelli ⢠J. Noland White
Figure 8.4 (continued) Five Infant Reflexes
(d) stepping reflex; and (e) sucking reflex. These infant reflexes can be used to check the health of an infantâs nervous
system. If a reflex is absent or abnormal, it may indicate brain damage or some other neurological problem.
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Saundra K. Ciccarelli ⢠J. Noland White
Figure 8.6 Six Motor Milestones
Shown here are (a) raising head and chestâ2 to 4 months, (b) rolling overâ2 to 5 months, (c) sitting up with supportâ
4 to 6 months,
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Saundra K. Ciccarelli ⢠J. Noland White
Figure 8.6 (continued) Six Motor Milestones
(d) sitting up without supportâ6 to 7 months, (e) crawlingâ7 to 8 months, and (f) walkingâ8 to 18 months. The motor
milestones develop as the infant gains greater voluntary control over the muscles in its body, typically from the top of
the body downward. This pattern is seen in the early control of the neck muscles and the much later development of
control of the legs and feet.
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Saundra K. Ciccarelli ⢠J. Noland White
Physical Development in Infancy and Childhood
⢠The senses, except for vision, are fairly
well developed at birth
⢠Brain development
â synaptic pruning: unused synaptic
connections and nerve cells are cleared away
to make way for functioning connections and
cells
LO 8.5 Physical Changes in Infancy and Childhood
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Cognitive Development
⢠Cognitive development: the development
of thinking, problem solving, and memory
⢠Jean Piaget: developed a four-stage
theory of cognitive development based on
observation of infants and children
â schemes: mental concepts formed by children
as they experience new situations and events
LO 8.6 Looking at Cognitive Development and How Language Develops
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Saundra K. Ciccarelli ⢠J. Noland White
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Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
Piagetâs Stage Theory
⢠Sensorimotor stage: Piagetâs first stage of
cognitive development, in which the infant
uses its senses and motor abilities to
interact with objects in the environment
â object permanence: the knowledge that an
object exists even when it is not in sight
LO 8.6 Looking at Cognitive Development and How Language Develops
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Saundra K. Ciccarelli ⢠J. Noland White
Piagetâs Stage Theory
⢠Preoperational stage: Piagetâs second
stage of cognitive development, in which
the preschool child learns to use language
as a means of exploring the world
â egocentrism: the inability to see the world
through anyone elseâs eyes
â centration: in Piagetâs theory, the tendency of
a young child to focus only on one feature of
an object while ignoring other relevant
features
LO 8.6 Looking at Cognitive Development and How Language Develops
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Saundra K. Ciccarelli ⢠J. Noland White
Piagetâs Stage Theory
⢠Preoperational Stage (contâd)
â conservation: in Piagetâs theory, the ability to
understand that simply changing the
appearance of an object does not change the
objectâs nature
â irreversibility: in Piagetâs theory, the inability of
the young child to mentally reverse an action
LO 8.6 Looking at Cognitive Development and How Language Develops
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Saundra K. Ciccarelli ⢠J. Noland White
Figure 8.7 Conservation Experiment
A typical conservation task consists of pouring equal amounts of water into two glasses of the same size and shape.
When the water from one of these glasses is poured into a taller, narrower glass, children who cannot yet conserve
tend to focus (centrate) on the height of the water in the second glass, assuming that the second glass now has more
water than the first one. In the second example, pennies are laid out in two equal lines. When the pennies in the top
line are spaced out, the child who cannot yet conserve will centrate on the top line and assume that there are actually
more pennies in that line.
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Piagetâs Stage Theory
⢠Concrete operations stage: third stage of
cognitive development, in which the
school-aged child becomes capable of
logical thought processes but is not yet
capable of abstract thinking
⢠Formal operations: Piagetâs last stage of
cognitive development, in which the
adolescent becomes capable of abstract
thinking
LO 8.6 Looking at Cognitive Development and How Language Develops
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Vygotskyâs Theory
⢠Scaffolding: process in which a more
skilled learner gives help to a less skilled
learner, then reduces the amount of help
as the less skilled learner becomes more
capable
LO 8.6 Looking at Cognitive Development and How Language Develops
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Vygotskyâs Theory
⢠Zone of proximal development (ZPD): the
difference between what a child can do
alone and what that child can do with the
help of a teacher
â private speech: Vygotsky viewed this as a
way for a child to âthink out loudâ and advance
cognitively
LO 8.6 Looking at Cognitive Development and How Language Develops
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Language Development
⢠Language development allows children to:
â think in words rather than images
â ask questions
â communicate their needs
â form concepts
⢠Child-directed speech: children attend to
higher-pitched, repetitious, sing-song
speech
LO 8.6 Looking at Cognitive Development and How Language Develops
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Stages of Language Development
⢠Cooing
⢠Babbling
⢠One-Word Speech (Holophrases)
⢠Telegraphic Speech
⢠Whole sentences
LO 8.6 Looking at Cognitive Development and How Language Develops
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Autism Spectrum Disorder
⢠Autism spectrum disorder (ASD):
developmental disorder encompassing a
range of problems in thinking, feeling,
language, and social skills
â myths relating ASD and vaccines have been
debunked
LO 8.6 Looking at Cognitive Development and How Language Develops
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Saundra K. Ciccarelli ⢠J. Noland White
Temperament
⢠Temperament: behavioral characteristics
that are fairly well established at birth
â easy: regular, adaptable, and happy
â difficult: irregular, nonadaptable, and irritable
â slow to warm up: need to adjust gradually to
change
LO 8.7 Developing Personalities, Forming Relationships, and Eriksonâs First Four Stages of Psychosocial Development
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Saundra K. Ciccarelli ⢠J. Noland White
Attachment
⢠Attachment: the emotional bond between
an infant and the primary caregiver
â secure: willing to explore; upset when mother
departs, but easily soothed upon her return
â avoidant: unattached; explores without
âtouching baseâ
LO 8.7 Developing Personalities, Forming Relationships, and Eriksonâs First Four Stages of Psychosocial Development
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Saundra K. Ciccarelli ⢠J. Noland White
Attachment
⢠Attachment (contâd)
â ambivalent: insecurely attached; upset when
mother leaves and then angry with mother
upon her return
â disorganized-disoriented: insecurely attached
and sometimes abused or neglected; child
seems fearful, dazed, and depressed
LO 8.7 Developing Personalities, Forming Relationships, and Eriksonâs First Four Stages of Psychosocial Development
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Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
Attachment
⢠Harlow monkey experiment
â In this experiment The wire surrogate
âmotherâ provides the food for this infant
rhesus monkey. But the infant spends all its
time with the soft, cloth-covered surrogate.
According to Harlow, this demonstrates the
importance of contact comfort in attachment.
LO 8.7 Developing Personalities, Forming Relationships, and Eriksonâs First Four Stages of Psychosocial Development
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Saundra K. Ciccarelli ⢠J. Noland White
Self-Concept
⢠Self-concept is the image you have of
yourself
â based on your interactions with the important
people in your life.
LO 8.7 Developing Personalities, Forming Relationships, and Eriksonâs First Four Stages of Psychosocial Development
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Saundra K. Ciccarelli ⢠J. Noland White
Eriksonâs First Four Stages
⢠Trust versus mistrust: first stage of
personality development
â the infantâs basic sense of trust or mistrust
develops as a result of consistent or
inconsistent care
⢠Autonomy versus shame and doubt:
second stage of personality development
â the toddler strives for physical independence
LO 8.7 Developing Personalities, Forming Relationships, and Eriksonâs First Four Stages of Psychosocial Development
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Saundra K. Ciccarelli ⢠J. Noland White
Eriksonâs First Four Stages
⢠Initiative versus guilt: third stage of
personality development
â the preschool-aged child strives for emotional
and psychological independence and
attempts to satisfy curiosity about the world
⢠Industry versus inferiority: fourth stage of
personality development
â the adolescent strives for a sense of
competence and self-esteem
LO 8.7 Developing Personalities, Forming Relationships, and Eriksonâs First Four Stages of Psychosocial Development
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Puberty and Adolescence
⢠Adolescence: the period of life from about
age thirteen to the early twenties, during
which a young person is no longer
physically a child but is not yet an
independent, self-supporting adult
⢠Puberty: the physical changes that occur
in the body as sexual development
reaches its peak
â period of about four years
LO 8.8 Changes of Adolescence, Concepts of Morality, and Eriksonâs Search for Identity
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Egocentric Thinking
⢠Formal operations may begin to emerge
â Piagetâs final stage
â thinking of hypothetical situations
â egocentric thought remains
LO 8.8 Changes of Adolescence, Concepts of Morality, and Eriksonâs Search for Identity
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Saundra K. Ciccarelli ⢠J. Noland White
Egocentric Thinking
⢠Personal fable: young people believe
themselves to be unique and protected
from harm
⢠Imaginary audience: young people believe
that other people are just as concerned
about the adolescentâs thoughts and
characteristics as they themselves are
LO 8.8 Changes of Adolescence, Concepts of Morality, and Eriksonâs Search for Identity
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Saundra K. Ciccarelli ⢠J. Noland White
Kohlbergâs Levels of Morality
1. Preconventional morality: behavior is governed
by the consequences of the behavior
2. Conventional morality: behavior is governed by
conforming to societyâs norms of behavior
3. Postconventional morality: behavior is governed
by moral principles that have been decided on by
the individual
â may be in disagreement with accepted social norms
LO 8.8 Changes of Adolescence, Concepts of Morality, and Eriksonâs Search for Identity
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Eriksonâs Fifth Stage
⢠Identity versus role confusion: fifth stage
of personality development
â the adolescent must find a consistent sense
of self
⢠Parentâteen conflict
LO 8.8 Changes of Adolescence, Concepts of Morality, and Eriksonâs Search for Identity
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LO 8.8 Changes of Adolescence, Concepts of Morality, and Eriksonâs Search for Identity
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Saundra K. Ciccarelli ⢠J. Noland White
Physical Changes and Aging
⢠Adulthood begins in the early twenties and
ends with old age and death
â divided into young adulthood, middle
adulthood, and late adulthood
â emerging adulthood, time from late
adolescence through the 20s
LO 8.9 Physical and Cognitive Changes during Adulthood and Aging
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Saundra K. Ciccarelli ⢠J. Noland White
Physical Changes and Aging
⢠Women experience a physical decline in
the reproductive system called the
climacteric
â ends at about age fifty with menopause: the
cessation of ovulation and menstrual cycles
and the end of a womanâs reproductive
capability
⢠Andropause: gradual changes in the sexual
hormones and reproductive system of
males
LO 8.9 Physical and Cognitive Changes during Adulthood and Aging
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Saundra K. Ciccarelli ⢠J. Noland White
Physical Changes and Aging
⢠Increase in health problems
⢠Decrease in reaction time
⢠Challenges in memory most likely caused
by stress and high volumes of information
to maintain
LO 8.9 Physical and Cognitive Changes during Adulthood and Aging
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Eriksonâs Last Three Stages
⢠Intimacy versus isolation : an emotional
and psychological closeness that is based
on the ability to trust, share, and care,
while still maintaining a sense of self
LO 8.9 LO 8.9 Physical and Cognitive Changes during Adulthood and Aging
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Saundra K. Ciccarelli ⢠J. Noland White
Eriksonâs Last Three Stages
⢠Generativity versus stagnation : providing
guidance to oneâs children or the next
generation, or contributing to the well-
being of the next generation through
career or volunteering
â parenting styles
LO 8.9 LO 8.9 Physical and Cognitive Changes during Adulthood and Aging
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Saundra K. Ciccarelli ⢠J. Noland White
Eriksonâs Last Three Stages
⢠Ego integrity versus despair : sense of
wholeness that comes from having lived a
full life and the ability to let go of regrets;
the final completion of the ego
LO 8.9 Physical and Cognitive Changes during Adulthood and Aging
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LO 8.9 Physical and Cognitive Changes during Adulthood and Aging
62. Copyright Š 2015, 2012, 2008 by Pearson Education, Inc.
All rights reserved.
Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
Theories of Aging
⢠Cellular clock theory: based on the idea
that cells only have so many times that
they can reproduce
â once that limit is reached, damaged cells
begin to accumulate
⢠Wear-and-tear theory: as time goes by,
repeated use and abuse of the bodyâs
tissues cause it to be unable to repair all
the damage
LO 8.10 Theories of Why Aging Occurs and Stages of Death and Dying
63. Copyright Š 2015, 2012, 2008 by Pearson Education, Inc.
All rights reserved.
Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
Theories of Aging
⢠Free radical theory: oxygen molecules
with an unstable electron move around the
cell, damaging cell structures as they go
⢠Activity theory: theory of adjustment to
aging that assumes older people are
happier if they remain active in some way,
such as volunteering or developing a
hobby
LO 8.10 Theories of Why Aging Occurs and Stages of Death and Dying
64. Copyright Š 2015, 2012, 2008 by Pearson Education, Inc.
All rights reserved.
Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
Stages of Death and Dying
⢠Denial
⢠Anger
⢠Bargaining
⢠Depression
⢠Acceptance
LO 8.10 Theories of Why Aging Occurs and Stages of Death and Dying
65. Copyright Š 2015, 2012, 2008 by Pearson Education, Inc.
All rights reserved.
Psychology, Third Edition
Saundra K. Ciccarelli ⢠J. Noland White
Cross-Cultural Views on Death
⢠While Westerners see a person as either
dead or alive, in some cultures a person
who, by Western standards is clearly alive,
is mourned as already deadâas is the
case in many Native American cultures.
LO 8.11 Some Cross-Cultural Differences in Views of Death and Dying