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Evaluate the evidence for prenatal hormonal influences on the development of sexual orientation in humans.
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Evaluate the evidence for prenatal hormonal influences on the development of sexual orientation in humans. Although the nature-nurture debate is still a topic of popular conversation, in scientific circles it is considered largely irrelevant. As William Byne (1994, p.50) notes: "All psychological phenomenon is ultimately biological". However, of all the aspects of human behaviour that have been scrutinised by psychology, it would seem that objective study of the possible causes of the existence of human homosexuality has been left to last. Consequently, what few explanations exist are badly integrated and what supporting experimental work there is on humans has rarely been replicated. This essay will examine the evidence for one such theory - that of prenatal hormonal influences on the development of sexual orientation - and also attempt to integrate the theory in with other biological theories of homosexuality. Although explanations of biological mechanisms will be confined to a simple level,...
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