Chapter 10: Developement Flashcards
Germinal stage
2-week period that begins at conception; brief lifetime of zygote
Zygote
Fertilized egg that contains chromosomes from both a sperm and an egg
Embryonic stage
Period that lasts from 2nd week until the 8th week
Fetal stage
Period that lasts from the 9th week until birth
Myelination
Formulation of a fat sheath around the axons of a neuron begins
Womb
Environment that affects an unborn baby in many ways
Teratogens
Agents that pass from mother and impairs process of development
Fetal alcohol syndrome
Developmental disorder that stems from heavy alcohol use by the mother during pregnancy
Infancy
Birth to 18/24 months
Motor development
Emergence of the ability to execute physical action
Motor reflexes
Specific patterns of motor response that are triggered by specific patterns of sensory stimulation
Cephalocaudal rule
Top to bottom rule that describes learning of motor skills (head down)
Cognitive development
Emergence of the ability to think and understand
Jean Paiget
Suggested 4 stages of cognitive development in children
Sensorimotor
Birth-2years. Infant experiences getting used to the world and increasing dexterity
Preoperational
2-6 years. Child acquires motor skills but does not understand conservation of physical properties
Concrete operational
6-11 years. Child can think logically about physical objects and events and understand conservation of physical properties
Formal operational
11 years +. Child can think logically about abstract propositions and hypotheticals