biological - role of amygdala evaluation
- Created by: Elyseee
- Created on: 23-02-21 12:00
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- role of amygdala evaluation
- Supporting evidence
- Gospic et al 2011 - ultimatum game, laboratory based method of measuring aggressive behaviour
- 2 players - proposer and responder and a sum of money
- Proposer offers to split money in fair or unfair way - unfair offer is social provocation/threat
- Responder accepts, the money is split. Responder rejects, both get nothing. Rejection considered aggressive behaviour
- offers amygdala activity was heightened and quicker
- Sedative drug given before game had 2 effects - reducing aggression by halving number of rejection, reduced amygdala activity
- strong evidence of association between reactive aggression and increased amygdala activity
- Effects of amygdala are indirect
- Amygdala has role in regulating fear and anxiety related behaviours eg) physiological arousal with fight/flight
- Damage to amygdala affects ability to process fear and anxiety related information normally, affects social function by eg) reducing empathy - makes aggression more likely but not more inevitable
- Amygdala dysfunction is not necessarily direct cause of aggressive criminal behaviour, it is a risk factor
- Individuals becoming involved in criminal behaviour depends on other biological and environmental factors
- Supporting evidence
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