Biological Approach

• Everything psychological is at first biological
• function Of the pariental lobe


  processing of sensory information
• Phenotype


  The characteristics of an individual determined by both genes and the environment
• Evolution 


  The changes in inherited characteristics in a biological population over successive generations
• Genotype 


  The particular set of genes that a person possesses
• Biological approach


  a perspective that emphasizes the importance of physical processes in the body such as genetic inheritance and neural function
• How much genes do monozygotic twins share

  100%
• How much genes do dizygotic twins share 


  50%
• Charles Darwins theory on natural selection 


  Any genetically determined behaviour that enhances an Individual’s survival will continue in further generations
• Biological determinism 


  Biological approach Sees human behaviour as governed by internal , genetic causes over which we have no control.
• Natural selection criticism -Karl popper 


  We cannot show evolution is happening, we can only deduce it has taken place.