The objective is to identify the sentence that disrupts the coherence of a paragraph formed by the provided sentences. An examination of each sentence's thematic relevance is necessary:
1. In the advertising sector, it has acquired a positive perception, with its potential being widely discussed, and it is being proclaimed as the future. - This sentence details the optimistic outlook for a specific concept within advertising.
2. The scientific community shows little interest; they do not consider marketing a science, and few studies have been published in scientific journals. - This sentence presents a contrasting view, highlighting skepticism in scientific circles.
3. Neuromarketing, a new and expanding field, aims to uncover the underlying mechanisms of consumer behavior and extends the study of decision-making. - This sentence introduces neuromarketing and establishes its foundational context.
4. Some view neuromarketing as an effort to transform the "art" of advertising into a science, employed by marketing experts to support their proposals with empirical data. - This sentence elaborates on neuromarketing, connecting advertising with scientific principles.
5. Marketing experts have already incorporated psychology into test and theory development, and advertisers have adopted focus groups from social scientists. - This sentence shifts focus to general marketing practices involving psychology, which is somewhat detached from the core subject of neuromarketing.
Based on this analysis, sentences 1 through 4 focus on neuromarketing, its reception, and its application. Sentence 5, however, discusses broader marketing strategies without a direct link to neuromarketing, thus diminishing the paragraph's cohesion.
Consequently, the sentence that is out of sequence is:
5. Marketing experts have already incorporated psychology into test and theory development, and advertisers have adopted focus groups from social scientists.