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Transcript of Prenatal influences
Placenta and teratogens
The placenta acts as a filter between the mothers blood supply and the fetus
Oxygen and nutrients pass through; some toxic and harmful substances are filtered
Many drugs pass through the placenta into the fetus' blood vessels, this can affect fetal development
Genetic Development Program
: building block of heredity.
1. Cell body
contains 23 pairs of chromosomes.
is made of a long strand of DNA. On each pair of chromosomes are genes, which are pieces of DNA that contain specific instructions.
Take 5 mins to Read p.382 Sensory development
If quiet, with a partner using p.382 create a chart that includes 5 subtopics, age and description of the development occurring. Produce 1 copy between the two of you or make your own.
Piaget's Theory p.388
Teratogen: Any agent that can harm a developing fetus. Can result in deformities and brain damage.
Fetal alcohol syndrome FAS
Results from heavy drinking primarily in the first 12 weeks.
Physical deformities, lowered IQ of 68, misperceive social cues etc. Effects are life long.
Fetal aclohol effects (FAE)
Growth deficiencies, deficits in cognitive tasks (learning, memory, academics) etc.
Emotional behaviors, expressions, thoughts and feelings
Piaget's stages of cognitive development
3. A strand of DNA stretched out looks like a twisted ladder with "chemical rings"
4. "Chemical rungs" function like a chemical alphabet that writes instructions (genes) for the development of millions of parts of the brain and body
see page 382 images
On p.383 research and record:
Motor development definition
Freud’s Psychosexual Stages
Bandura’s Social Cognitive Theory
Male and Female Differences
Using page p.388 read the sections on Assimilation and Accomodation. Using the "Author says I Say" chart respond to the following:
1. What is assimilation?
2. What is an example of assimilation?
3. What is accomodation?
4. What is an example of accomodation?
Cognitive development refers to how a person
of the world.
This occurs through the
Learn about the timelines of sensory development in newborns.
the 5 topics listed (faces to depth perception)
the timeline of occurence
what is developing
1. What is Assimilation?
2. What is an example of Assimilation?
3. What is Accomodation?
4. What is an example of Accomodation?
Piaget believed children are like scientists in that they make guesses or hypotheses about how the world works. This involves