Biological Approach

HideShow resource information


  • Model assumes mental disorders related to change in your body. (like physical disorders) caused by:genes, biochemistry,neuroanatomy and viral infection
  • genetic inheritance: Look at twins looking at if they both have disorder. provides concordance rate (individuals are similar on particular trait) Low=phobias, high=schizophrenia. Genes product of evolutionary adaptations of ancestors.
  • Genes tell body to function. hormones and neurotransmitters is biochemistry, high seratonin and anxiety, low levels=depressed. Genes deterimine brain structure is neuroanatomy. Schizophrenics large ventricles in brain, showing shrinken brain tissue.
  • Schizophrenia may be related to exposed viruses e.g.utero. TORREY (2001) mothers of schizophrenics had strain of influenza when pregnant. Virus entered child brain and effects during puberty, other…


No comments have yet been made

Similar Psychology resources:

See all Psychology resources »See all resources »