Developmental Psychology things Flashcards
Cross Sectional studies
study compares groups of subjects at different ages
Longitudinal study
Studies the same group across time at multiple intervals
Sequential cohort study
combine cross sectional and longitudinal research methods
Nature vs Nurture
Debate in developmental psychology, innate versus environmental
Gene
basic unit of heredity
Allele
Alternative form of a gene either dominant or recesive
Genotype
genetic makeup
Phenotype
observable characteristics
Chromosomes
The structural units of many genes, adult carries 23 chromosome pairs 1/2 from mother and 1/2 from father
How much is inherited from your parents
50%
How much genetic code do siblings, fraternal twins have in common
50%
RC Tyron, maze rats
maze-bright, and maze dull rats. Selective breeding of maze bright rats and maze bright rats to demonstrate that ability to learn could be genetically passed on.
Down Syndrome
a genetic anomaly where the individual has an extra 21 chromosome
PKU
Phenylketonuria enzyme needed to digest phenylalanine is absent, leads to severe retardation if not treated
Klinefelter’s Syndrome
Males with an extra X chromsome (XXY)
sterile and have mental retardation
Turner’s Syndrome
Failure to develop secondary sex characteristics (females with only one X chromosome)
Zygote
Fertalized egg
Germinal stage
conception to two weeks
Embryonic stage
8 weeks, produce androgen and grow sex organs, first motionof limbs,
Fetal Period
During the third month and you see brain activity
External threats
Malnutrition, protein defiiceincy, narcotic dependency, cigarrett smoke = slowed growth, alcohol =FAS
Reflexes
Rooting, Moro, Babinski, Grasping
Jean Piaget
Theory of adaptation from basic understandings and interactions with the world to more complex ones involving abstract thought.
Schema
Organized patterns of behavior and thought