eysencks theory

• he says all criminals have the same 3 personality traits
• what are the 3 personality traits?

  • neuroticism
  • extraversion
  • psychoticism
• all of the personality traits come from biology
• what is extraversion?

  being outgoing and excitable
• what is neuroticism?

  being emotional and violent
• what is psychotic?

  lacking empathy for others
• what part of the brain causes extraversion?

  reticular activating system
• what is the reticular activating system?

  part of the brain that filters out information from our environment
• what causes people to be extroverted in RAS?


  the RAS filters out too much information from the environment

  this causes an underactive cerebral cortex

  this makes them crave stimulation, which could be crime
• people who are extroverted have an underactive cerebral cortex
• extroverted people have a

  • overactive RAS
  • underactive cerebral cortex
• what is the autonomic nervous system

  regulates how we respond to stressful situations
• what system is the limbic system part of?

  autonomic nervous system
• people with neuroticism have a

  overactive ANS
• what does an overactive ANS lead to?

  an overactive limbic system
• what is dopamine?

  a chemical in your brain that releases when you get rewarded
• psychotic people have too many dopaminergic neurons in the brain
• what are dopaminergic neurons?

  Neurons that produce dopamine
• psychotic people dont care about the victims, they just want to get rewarded
• psychotic people are super affected by dopamine