Development Flashcards
(31 cards)
Germinal (0-2 weeks)
In 10-14 days, the zygote will divide and attach to the uterine wall
The outer portion will form the placenta
The inner portion will form the embryo
Embryonic (2 weeks-2 months)
Neural tube forms spinal cord
Ectoderm
nervous system and skin
Mesoderm
Muscles, skeleton, organs, and circulatory system
Endoderm
Digestive track lungs, urinary track and glands
Fetal (2 months birth)
No new structures
Birth is usually 38-42 weeks
Teratogens
Agent that harm prenatal development
–smoking
–drinking
–viruses
–pollution and toxins
Infants and senses
Vision’s the slowest to develope
Depth perception develops by 6 months
Can hear a lot of sounds
Can discriminate between tastes and smells
Piaget’s theory of cognitive development
Sensorimotor
Formal operation
Concrete operational
Preoperational
Object performance
The understanding that an object continues to exist without you seeing it.
A Not B Error
When an infant looks in the same place for a toy even when they saw it move.
–violation of expectation
Egocentrism
Viewing the world through their own experience
Conservation errors
If a substance’s appearance changes they fail to recognize its quantity may remain the same
Centration
Unable to think about more than 1 detail of a problem solving task at a time.
Sensorimotor stage
Birth–2 years
Infants learn about the world through senses and motor skills
Reflexive actions become deliberate actions through the development and refinement of schemas
Preoperational stage
2–7
Children learn to think symbolically and engage in imaginative play
Concrete operational stage
7–12
Children understand logical operations. THey aren’t fooled by appearance
They lack abstract thinking
Formal operational stage
12 and up
THey can think abstractly and can formulate and test hypothesis through logic
Konrad Lorenz
Caregiver is a source of food
Harry Harlow
Caregiver is a source of comfort
John Bowlby
Proctection and saftey
Secure attachment
Cries when caregiver leaves
Comforted by caregiver’s return
Avoidant attachment
May cry when caregiver leaves
Avoids caregiver when they return
Ambivalent attachment
Cries when caregiver leaves
Shows push pull behavior when caregiver returns