... processes. Watson believed that behaviour should be studied, as it was measurable and can be observed by more than one person. This was known as behaviourism and dominated psychology for the next forty years. It was at this time that Psychology broke away from Philosophy. In Austria and Germany 20 years later, Gestalt psychologist also reacted to the idea of structuralism and behaviourism, they studied on the basis that 'the whole is greater than the sum of its parts'. Gestalt ?'s were mainly interested in people's perceptions and they believed perceptions could not be broken down in the way Wundt stated. Earlier that century in around 1900, Freud, a neurologist published his psychodynamic theory of personality, he believed that the unconscious mind played a large role in understanding behaviour. Freud's theories also represented an alternative to behaviourism. According to Freud, "the unconscious is the source of our motivations, whether they be simple ...

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