DevelopmentalPsychology
unit 4
Developmental Psych studies physical, cognitive, and social changes throughout the lifespan.
Nature - Nurture
Stability - Change
Continuity - Stages
m8 Prenatal Development and
the Newborn
Conception 1,000 sperm produced per second200 million per ejaculationEgg : Sperm = 85,000 : 1
Zygote: conception to 2 weeks
• 7-9 days implantation
Embryo: 2 - 8 weeks
• 3 weeks, heart then central nervous system
Fetus: 9 weeks - birth
• 25-28 weeks, viable
Sonogram images
Teratogens
Any factor or agent causing malformation• Drugs• Alcohol• Disease
Fetal Alcohol Syndrome
Newborns
Reflex
simple, innate response to a sensory stimulus
Preferences
Face-like images
Voice and scent
Rooting reflex
Morro reflex
Sucking reflex; no Fencer
Grasper reflex
m9 Infancy & Childhood
Physical Development
• Brain maturation & infantile amnesia
• Motor coordination
CognitiveDevelopment
Sche
ma Assimilation
Accomodation
p 143
SocialDevelopment
Stranger anxiety
Attachment
Body contact
Familiarity
Self-concept
Permissive
Authoritative
Authoritarian
m10 Adolescence
Physical
Cognitive
• Lawrence Kohlberg’s moral reasoning
• Jonathan Haidt’s social intuitionist
• Carol Gilligan’s empathy & caring
Koh
lber
g, S
tage
s of M
oral
Dev
elop
men
t
Postconventional
Conventional
PreconventionalPunishment avoidance
Instrumental
Good boy/ Good Girl
Law & order
Social Contract
Universal ethics
Car
ol G
illig
an
p 166
m11 Adulthood
Physical
• Declining sensory abilities
• Increased susceptibility to long-term illness and injury
• 5% brain weight decrease by age 80
• Alzheimer’s
Cognitive
• Decreased recall & prospective memory; no change to recognition
• Decreased fluid intelligence; increased crystallized intelligence
Social
• Marriage
• Children
• Work
• 5 Stages of Death & Dying
Elizabeth Kubler-RossStages of Death and Dying
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