The task is to identify the sentence that does not belong in a coherent paragraph formed by the given sentences. Let's analyze each sentence's thematic relevance:
1. It has taken on a warm, fuzzy glow in the advertising world, where its potential is being widely discussed, and it is being claimed as the undeniable wave of the future. - This sentence discusses the optimistic view of a certain concept in the advertising world.
2. There is little enthusiasm for this in the scientific arena; for them marketing is not a science, and only a handful of studies have been published in scientific journals. - This sentence contrasts the previous one by showing skepticism in the scientific community.
3. The new, growing field of neuromarketing attempts to reveal the inner workings of consumer behaviour and is an extension of the study of how choices and decisions are made. - This sentence introduces the concept of neuromarketing, providing a basis for the discussion.
4. Some see neuromarketing as an attempt to make the "art" of advertising into a science, being used by marketing experts to back up their proposals with some form of real data. - This sentence expands on the idea of neuromarketing, linking advertising and science.
5. The marketing gurus have already started drawing on psychology in developing tests and theories, and advertising people have borrowed the idea of the focus group from social scientists. - This sentence shifts the focus to general marketing practices involving psychology, which is somewhat tangential to the main topic of neuromarketing.
Upon analysis, the first four sentences (1-4) revolve around the concept of neuromarketing, its perception, and its application. However, sentence 5 discusses marketing strategies in a more traditional sense without specific reference to neuromarketing, making it less cohesive with the main narrative.
Therefore, the sentence that does not fit into the sequence is:
5. The marketing gurus have already started drawing on psychology in developing tests and theories, and advertising people have borrowed the idea of the focus group from social scientists.