PSYCH 115 Lecture Notes - Lecture 22: Genetic Linkage, Genetic Marker, Abnormal Psychology
Document Summary
Examine known genetic markers (certain gene whose location is known) Compare these genetic markers against the trait being studied. If the genetic marker tends to co-occur with the trait, conclude that the trait is probably caused in part by genes that are in close proximity to the genetic marker (e. g. on the same chromosome) Genetic linkage studies occur in groups of people who all have the trait of interest. Association studies occur in people with and without the trait of. Prevention research interest people not at risk for developing disorders) Health promotion: increasing healthy behavior in entire population (even. Universal prevention: target specific risk factors but not specific people. Selective prevention: targets groups of people at risk. Indicated prevention: targets specific individuals who are showing early signs of a disorder. Cross-sectional designs: take a cross section of the population at different age groups. Compare cohorts (age groups) on traits of interest. Study one group of people over time.
