Chapter 4 : Development over the lifespan Flashcards
Define : Cross-Sectional Design
Test different age groups in the same year and test their performance.
Define : Longitudinal Design
Study same people over a period of time.
Define : Sequential Design
Study several age cohorts as they grow older and determine whether they follow a similar developmental pattern.
Define : Zygote
When the egg and sperm first meet and the egg becomes fertilized.
Define : Embryo
Growing form of the Zygote. It has collected mass and is 2-8 weeks old.
Define : Fetus
The next stage of a Embryo. It is in it’s 9th week after conception.
Define : TDF (Testis Determining Factor) gene
A gene that triggers male sexual development.
Define : Teratogens
Environmental agents that cause abnormal prenatal development
Define : Fetal Alcohol Spectrum Disorder (FASD)
Range of mild to severe cognitive, behavioural and physical deficits caused by prenatal exposure to alcohol.
Define : Fatal Alcohol Syndrome
Cluster of severe developmental abnormalities.
Define : Preferential looking procedure
Test used to study infants visual preferences.
Define : Maturation
Genetically programmed biological process that governs our growth.
Define : Cephalocaudal Principle
Tendency for development to proceed in a head-to-foot direction.
Define : Proximodistal principle
States that development begins along the innermost parts of the body and continues toward the outermost parts.
Define : Assimilation
Process by which new experiences are incorporated into existing schemas.
Define : Accommodation
New experiences cause existing schemas to change.