CRIM 103 Chapter Notes - Chapter 3: Autonomic Nervous System, Amygdala, Fetal Alcohol Spectrum Disorder
6 Dec 2016
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Document Summary
Certain brain/biochemical abnormalities predispose some children to higher aggression in children. Social environment as most important determinant of criminal behavior. Determining how much behavior is influenced by genes. Roles genes play in formation and development of human/animal behavior. Relation between genes/environment in determining individual differences in behavior. Influences that arise from unshared environmental experiences that makes siblings differ from one another. Develop from two different fertilized eggs and genetically alike as nontwin siblings. Develop from single egg -same sex and share same genes. Genes contribute to development of personality, cognitive, and behavior in general. 50 percent of population variation in antisocial behavior. Does not mean directly causes behavior to exclusion of other influences. Common environments -prenatal and life experiences affecting both twins in the same way. As child matures, shared environment (family) tends to wane whereas influences of genes and nonshared environments (peers) become more discernible. Female aggressive behavior strongly affected by family environment.
