Chapter 10 - Chapter 10 Aggression Hurting Others 20th...

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20 th century humanity was the most educated and homicidal in history. Aggression - is physical or verbal behavior intended to hurt someone. Animals exhibit social aggression and silent aggression, and they both involve separate regions of the brain. Hostile aggression - is aggression driven by anger and performed as an end in itself. Instrumental aggression - is aggression that is a means to some other end. Aggression as biology - Instinct theory and evolutionary psychology - Human aggression springs from self destructive impulse. Aggressive energy is instinctual - unlearned and universal, is a pattern that is exhibited by all members of a species. We have also innate mechanisms for inhibiting such aggression, ex making ourselves defenseless. Although aggression in biologically influenced, the human propensity to aggress may not qualify as instinctive behavior. Aggression is adaptive, for our distant ancestors, it was a strategy for gaining resources, defending against attack, intimidating or eliminating male rivals for females. - Natural influences - aggression is a complex behavior and no one spot in the brain controls it. There are neural systems that facilitate aggression, and were found when scientists activated areas in the brain and hostility arose. When they deactivated them, hostility decreased. Abnormal brains can contribute to abnormally aggressive behavior. - Genetic influences - a fearless, impulsive, temper prone kid is at risk of adolescent violent behavior. The recipe for aggressive behavior combines a gene that alters neurotransmitter balance w/ childhood maltreatment. Genes predispose some kids to be more sensitive and responsive to maltreatment, nature and nurture interact. - Biochemical influences - when ppl are provoked, alcohol can unleash aggression. Violent ppl are more likely to drink, and become aggressive when intoxicated. Alcohol enhances aggressiveness by reducing ppl self awareness and by reducing their ability to consider consequences. Alcohol de- individuates and it dis-inhibits. Teen boy and male adults with high testosterone levels are more prone to delinquency, hard drug use, and aggressive response to provocation. There’s important neural, genetic, and biochemical influences on aggression. Aggression as response to frustration In soda machine example where man puts in coin for coke and doesn’t get anything, frustration leads to aggression. Frustration- aggression theory - says that frustration triggers a readiness to aggress. Frustration - is the blocking of goal directed behavior. In malfunctioning vending machine, it blocks our attaining a goal. Frustration grows when our motivation to attain a goal is very strong, when we expected glorification and when the blocking is complete. We learn to inhibit direct retaliation when others disapprove or punish us, instead we
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This note was uploaded on 04/21/2008 for the course SOCI soci210 taught by Professor Hinrichs during the Spring '08 term at McGill.

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Chapter 10 - Chapter 10 Aggression Hurting Others 20th...

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