Nature Nurture in Psychology by Saul McLeod published 2007 This debate within psychology is concerned with the extent to which particular aspects of behavior are a product of either inherited (i.e. genetic) or acquired (i.e. learned) characteristics. Nature is that which is inherited / genetic. Nurture which refers to all environmental influences after conception, i.e. experience. Nature Nurture Debate in Psychology It has long been known that certain physical characteristics are biologically determined by genetic inheritance. Color of eyes, straight or curly hair, pigmentation of the skin and certain diseases (such as Huntingdon’s chorea) are all a function of the genes we inherit.