Chapter 9 Flashcards
Pregnancy
Sperm unites with egg to create a zygote. 2 weeks after, the zygote becomes implanted in the uterine wall. 2 weeks - 2 months embryo stage. Organs and internal systems form. Heart begins to beat after 2 months and becomes fetus. Birth at 40 weeks
Myelination
Brains way of insulating it’s wires. Nerve fibers wrapped in a fatty sheath. Allows for signals to flow faster. First happens in first trimester of pregnancy with the spinal chord
Lack of stimulation in a child’s environment?
Few synaptic connections are made. Brain will be less sophisticated and less able to process complex information, solve problems, or develop advanced language skills.
Teratogens
Agents that harm the embryo or fetus
Grasping reflex
Survival mechanism from young apes grasping their mothers.
When do baby’s walk?
On average at 12 months
Dynamic systems theory
View that development is a self-organizing process in which new forms of behavior emerge through interactions between a person and their cultural and environmental contexts
At what age do babies have full auditory function
6 months
What age can babies see as well as adults?
1 year
preferential-looking technique
Researchers show an infant two things, if the infant looks longer at one of the things, they know that the infant can distinguish them and finds one more interesting. Infants look at stripes with high contrast more than gray images
Habituation technique
Way to study how infants categorize a series of objects, based on the idea that after looking at objects that are all from the same category, babies will look for longer at objects from a new category.
Infantile amnesia
Inability to remember events from early childhood
Why was the Mozart effect invalid research?
They didn’t operationally define intelligence and they were testing college students and then generalizing to infants
John Bowlby Attachment Theory
Attachment is adaptive and infants have innate attachment behaviors that motivate adult attention.
Secure attachment style
Child that is distressed when the attachment figure leaves, and is quickly comforted when they return