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Aggression - Neural Mechanisms
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- 1The role of S is: > It is thought to inhibit agg responses to emotional stimuli that would normally lead to an agg response. > Low levels of S are associated with inc susceptibility to impulsive beh, agg & violent suicide.Some drugs are known to dec S levels:
Mann et al 1990 - Gave 35 pps dexfen, he assessed hostility & agg levels using a questionnaire. He found inc levels of hostility & agg in M but not F. However, this study shows S has an affect on agg levels of M but not F. The results on self reports could be due to stereotypical roles of either gender (social desirability). - 2Bond 2005 > Looked at ppl that took antidepressants. > Found that those on AntiD tend to have reduced irritability & impulsive agg. Supports the role of serotoninDelville et al 1997
> Found that drugs that inc S production lead to dec levels of agg, suggesting that dec levels of S are linked to inc agg. - 3Linnoila & Virkunen 1992 Found a relationship between dec levels of S & highly explosive violent beh, suggesting that a lack of S is linked to aggPopova et al 1991
Found that animals selected for domesticity because of low agg levels had lower S levels, than their wild, more agg counterparts.
Supporting the link between S & agg. - 4IDA Use of Animals > Cant be applied to humans as we do not have the same brain structure or live in the same environment.IDA
Reductionist
> Reduces complex human beh to being just to do with one simple explanation.
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- as level Aggression Karteikarten am Aggression - Neural Mechanisms, erstellt von KirstyOldaker am 20/02/2015.
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