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March 19.docx

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PSYC 2310
Saba Safdar

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March 19, 2013 Aggression - definition: “aggression is any form of behaviour directed toward the goal of harming or injuring another living being who is motivated to avoid such treatment.” Is that aggression? - a patient winces in pain as the dentist works on his root canal. - A man shouts obscenities and gives the finger to another driver who cut him off. - The hockey player trips the player from the opposing team as he skates nearby. Nature vs. Nurture - aggression is in our nature - aggression is in our nurture o a false debate! Aggression is Inborn (The nature aspect) - instinct theories: o aggressive instinct (McDougall, 1908)  we don’t know what instinct is  we all have this black box, and based on that we become aggressive overtime. That does not explain much. o Death instinct, Thanatos (Freud, 1930) o Hydraulic theory Studies on Aggression - observation of and experimentation with species other than humans o Zing Yang Kuo’s (1961) experiment: raising a kitten in the same cage with a rat  The kitten became friends with the rat and was then okay with other rats  Aggression is something you can modify – he argued aggression is learned o However, you cannot say that aggression is learned! o Eibl-Eibesfeldt’s (1963) experiment: raising rats in isolation  Introduce new rat to cage. o Konrad Lorenz’s (1966) observation of the behaviours of cichlids, highly aggressive fish Aggression in Inborn - evolutionary perspective of aggression: o human warfare originated in attempts to obtain valuable resources  women! o Emphasizing genetic survival o Gender differences in patterns of mate selection  Study of sexual jealousy (Safdar and Voracek, 2001) Select one: which distresses you more? a. imagining your partner forming a deep emotional attachment to that person. a. Females are more distressed by this b. Imaging your partner enjoying passionate sexual intercourse with that person. a. Males are more distressed by this Aggression is Inborn - biochemical and neural influences on aggression: o amygdala, an area in the core of the brain, is associated with aggressive behaviour Continued… - biochemical and neural influences on aggression: o testos
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