Interactionist approach

• What is the diathesis stress model?

  A person needs both a predisposition to schizophrenia and an environmental factor that triggers the onset for it to be schizophrenia
• What does diathesis mean?

  A predisposition to develop a medical condition
• What does stress refer to in the diathesis stress model?

  Any environmental factor that could trigger schizophrenia
• Who developed the diathesis stress model for schizophrenia?

  Meehl (1962)
• If a person has multiple schizophrenic genes, what does this mean?


  They have a higher vulnerability
• What did Ripke et al (2014) find?

  There is no one "schizogene"
• What did Ingram and Luxton find in 2005?

  Trauma can be a diathesis
• What did Read et al find in 2001?

  Early and severe trauma can cause the hypothalamic-pituitary-adrenal system to be overactive, making a person more vulnerable to stress
• What did Houston et al find in 2008?

  Cannabis is a stressor for schizophrenia as it impacts the dopamine system
• According to the diathesis-stress mode, what form of treatment should be used?

  Both CBT and anti-psychotics to target faulty thinking and dopamine levels
• Who adopted the interactionist approach quicker, the UK or the US?


  The UK, the US still uses medication alone