Amygdala

Cards (9)

  • perceive threat
  • Linked to aggressive behaviour
  • Coccaro- people with intermittent explosive disorder viewed face images, while in fMRI. Had high amygdala function when viewing angry faces
    + realism
    + everyday
  • Gao- inhibit aggression through fear conditioning (punishment)
    Amygdala dysfunction means they are unable to identify cues that indicate threat
    Don't link punishment to their aggressive behaviour they appear fearless
  • Longitudinal study tested fear conditioning at 3 measured by physical arousal (sweating) in response to painful noise. committed crime at age 23, showed no fear at 3.
  • Gospic- money game. refusing unfair over seen as agressive
    fMRI heightened amygdala activity
    After seductive drug - reduce amygdala activity and rejection
  • Pre-frontal and many connections - not only amygdala
    Oversimplified
  • Damage amygdala affect the ability to process fear and anxiety which effects social function (empathy)- criminality more likely not inevitable
  • Environmental and biology- more complex