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Psychology paper three - Coggle Diagram

- - - - Qusai experiment so couldn't randomly allocate
- - - - Bartholow and Anderson found students that played violent computer game (Mortal kombat) for 10 minutes selected higher volumes of white noise than those who played non- violent game
      - Bandura
      - meta analysis of approx 200 studies found positive correlations between TV viewing and anti-social behaviour
      - Delisi argues should be considered a public health issue like HIV
      - SLT provides good theoretical framework
        Aggression is defined differently
        meta analyses help - 136 studies defined different but all found same
        Methodically weak - correlation and Lab
    - - reduced sensitivity to a stimulus. May be psychological or physiological
      - Researchers showed Straw Dogs (film with rape scene) to one group before watching a reenactment of a rape trial. Males who watched Straw Dogs showed greater acceptance of rape myths and sexual aggression
    - - lack of restraint which may be due to environmental triggers a overexposure.
      - restraints are learnt via mediational processes which are loosened in exposure to violent media
    - - way a person thinks triggered by cues or scripts that make them ready to respond a certain way
  - - - Dolan tested 60 male offenders and found positive correlation between testosterone levels and aggressive acts
      - Mainly in men produced in testes
      - Castration reduces aggression while injections of testosterone incr ease.
      - Dual hormone hypothesis - Corsidol needs to be low.
        Research support -
        Giammanco review of studies confirmed the role in a range of species (rhesus macque monkeys)
        Human behavior more complex.
        Evidence support from real-world- 95%
      - Progesterone also involved. A study found positive correlation between it and self-reported aggression.
    - - made up of Amygdala, hypothalamus and parts of the hippocampus such as cingulate gyrus
        
        Gospic used via fMRI an increase in activity in the amygdala when pps reacted aggressively
        
        Reactivity of Amygdala is a predictor of aggressive behaviour
      - OFC is also involved not just limbic system structures
        Support- PPS who took paroxetine gave fewer and less intense shocks than placebo group
        artifical - Gospic
    - - decreased serotonin= reduced self-control
      - Virkkunen found levels of a serotonin breakdown product were lower in impulsive offenders. Supports idea of distrube d serotonin levels and aggression