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22 Cards in this Set

  • Front
  • Back
Polygenic traits
hight, weight, intelligence, and personality - effected by multiple genes
Genotype
person's genetic inheritance
Phenotype
observed characteristics, attributed to a combination of heredity and environment.
What is actually observed
Critical Period
specific, predetermined period of time during biological maturaion when an organism is particularly snesitive to certain stiumuli tht can have either a postive or negative impact on development. Lorenze with imprinting ...Humans it's attachment and language
Sensitive Period (critical period)
for humans - but they are longer and more flexible than critical periods and are not tied closely to chronological age or maturational stage.
Three stages of Prenatal Development
1) Zygote
2) Embryonic stage - third week through the eight week
3) fetal stage beigins at onset of ninth week continues until birth
Birth Defects
inclued chromosomal disorders, exposure to teratogens, poor maternal health, an compilcations during the birth process
Chromosomal Disorders
female xx male xy. when disorder is caried on an autosome - when on 23rd (sex) called sex-linked.
Dominant vs Recessive Genes disorders
Phenylketonuria (PKU)
Domiant - due to inhearitance of single from one parent - Huntington's disease.
Recessive - due to pair of recessive from each parent.
PKU -- lack an enzyme needed to matabolize pheno...found in milk, egs, bread
Disorders Due to a Chromosomal Abnormality
2 types
1 - variation in the number o fchromosomes and 2) an alteration in the structure of chromosomes
Variation in Chromosomal Number
Down Syndrome - autosomal disorder etra chromosome 21. Klinefelter and Turners syndrome are both casued by an abnormality in number of sex chromoslne
Alterations in Chromosome Structure
deleteions, traslocations, and inversions
deletions, transolocations, and inversions. Deletions occur when a part of a chromosome is missing. Prader-Willie - missing chromosome - obse, obsessive-compulsive, mental retardation.
Translocation is the transfer of a chromosome segment to another chromosome.
Inversion - chromosome breaks into two places.
Teratogens
subsrances that cross the placental barrier and cause defects in the embryo
Teratogen effects of Alcohol
fetal alcohol syndrome - risk high when drinking is heavy everyday during pregnancy or engages in binge drinking early in early stages.
Facial abnormalities, visual and hearing impairments, mental retardation, learning disablities, and behaviorl problems (impulsivity, social withdrawel). FAS vs FAE - syndrom vs. effects. with effects are less likely to have facial abnormalities and mental retardation.
Fetal alchl spectrum disorder is not often used to desccribe that range.
Teragogen effects of Cocaine
increased risk of spontaneous abortion and stillbirth. high risk of SIDS, seizures, a low birthweight, and reduced head circumference. irritable and difficult to comfort. cognitive and behavior problems may persist at least into the early school years.
Teraogen effects of Nicotine
low birthwieght, SIDS, and respiratory diseases, and may have emotional and social disturbances and cognive deficits
Teragon effects of Lead
mental retardation
Mother stress during prenancy
miscarriage, painful labor, premature delivery. low birthwieght hyperactive and irritalbe, and to exhibit irregular feeidng.
Rutter's Indicators
more risk factors more likely psychiatic issues. six family risk factors: severe marital discord, low socioeconomic status, overcrowding or large family size, parental criminality, materal pscyhopathology, and placement of the child ouside the home.
Chronic Illness in children
higher risk for internaizing and externalizing symptoms, although most do not actually meet the criteria for a formal DSM diangois. Evidence that children with cancer and other life-theratening illnesses have a better psychologicla outcome when they are given accurate and developmentally-appropriate informaiton about their illness in its early stages
Adolescent drug use
marijuana, alcohol, cigarettes mose commonly used
21% 12-17 drank at least one alcoholic beverage, 18% smoked cig, 8% used marijuana or hashish
Aging and physical changes
vision 0 visual changes after 65
Hearing - after 75
strength, coordination, and reaction time -