nature nurture a03

• The Tienari study supports the interactionist approach. It look at adopted children who were at a high or a low risk of schizophrenia based on whether their biological motehr was schizophrenic or not which suggests an innate biological explanation can predispose people to mental disorder like schizophrenia supporting nature. Their adoptive afmilies were classified as healthy, mildly disturbed or emotionally distubed and
• it was found the highest levels of mental disturbance and schizophrenia were in those with severly disturbed family enviornments therefore supporting the role of nurture and enviornmental factors. However the high risk individuals also showed high levels than teh low risk whithin these environments which shows that there was a genetic predisopsition which makes certain indiviudals more likely. Therefore the interactionsit approach and diathesis stress model is the strongest explanation
• an issue is nature can affect nurture for example maguire taxi driver study Research examining neural plasticity suggests that life experiences (nurture) shape our biology (nature). For example, Maguire et al. (2000)investigated the hippocampi volume of London taxi drivers. She found a positive correlation between the volume of hippocampi and years of experience as taxi driver . Consequently, Maguire concluded that driving a taxi(nurture) actually had an effect on the size of the hippocampi (nature).
• most likely when teh predisposition and the environmental stressor are presnet
• Most psychologists now believe that we should consider

  both nature and nurture and therefore adopt an

  interactionist approach. example of the

  interactionist approach is the diathesis-stress model which

  suggests that even though one may be born with a

  biological vulnerability, for example, a gene for depression,
• the depression will only develop if it is triggered by a

  stressor in the environment. Research has demonstrated

  that not everyone with the gene for depression goes on to

  develop it, suggesting instead that one’s nature is only

  expressed under certain conditions of nurture.

  The interactionist approach has led to the development of

  theories/models that have helped improve our

  understanding and treatment of many physical and

  psychological illnesses