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3 Cards in this Set
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NEURAL MECHANISMS - SEROTONIN
The 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. |
NEURAL MECHANISMS - SEROTONIN Some drugs are known to dec S levels.
Mann et al 1990 - Gave 35 p's dexfen, assessed hostility & agg levels using a Q. Found inc levels of hostility & agg in M 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). |
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NEURAL MECHANISMS - SEROTONIN
Bond 2005 > Looked at ppl that took AntiD. > Found that those on AntiD tend to have dec irritability & impulsive agg. > Supports the role of S
Delville 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. |
NEURAL MECHANISMS - SEROTONIN
Linnoila & Virkunen 1992 Found a relationship between dec levels of S & highly explosive violent beh.
Popova et al 1991 Found that animals selected for domesticity because of low agg levels had lower S levels, than their wild, more agg counterparts. |
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NEURAL MECHANISMS - SEROTONIN IDA
Use of Animals > Cant be applied to humans as we do not have the same brain structure or live in the same environment.
Reductionist > Reduces complex human beh to being just to do with one simple explanation. |
NEURAL MECHANISMS - SEROTONIN
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