Psychology Exam 1- Chapter 4
Chapter 4
Terms
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- Behavior Genetics
- Study of how modern behavior came to be and what they adapted from. Study differences and weigh effects and interplay of heridity and environment.
- What can be learned from studying Identical Twins
- If something is more heritable, Identical twins are more alike
- What can be learned by comparing non-twin siblings and fraternal twins
- If something is more environmental, Twins are alike because each set has 50% of the other's genes
- What can be learned from comparing parents to children
- If it isn't heritable, traits should be equally similar
- Adopted kid with traits similar to genetic parents
- traits are passed through genes
- Adopted kid with traits similar to adoptive parents
- traits are environmental
- Temperament
- Emotional excitability
- Gene-Environment Interaction
- Nature/Nurture
- Passive Interaction
- When a child passively receives from genes and environment (Shy)
- Active Interaction
- when a person chooses an environment based on their traits (Extrovert)
- Molecular Behavior Genetics
- Identify specific genes that influence behavior
- Evolutionary Psychology
- Focus on what makes us alike as humans
- Natural Selection
- Those who have adaptive traits survive
- Adaptive trait
- Something that isn't initially a trait, but over time, due to its usefulness, grows through an entire population and becomes a norm
- Environmental Stimulation
- More of this, the more the brain develops at a young age
- Pruning
- Gets rid of unused pathways in the brain in order to strengthen existing, more used sections