Brain wave measures of attention to human faces and non-face forms and objects in print media advertisements Bellur-Thandaveshwara, Saraswathi
dc.contributor.department Greenlee School of Journalism and Communication 2020-06-23T20:22:16.000 2020-06-30T08:15:08Z 2020-06-30T08:15:08Z Sun Jan 01 00:00:00 UTC 2006 2006-01-01
dc.description.abstract <p>The sense of vision and the phenomenon of visual attention constitute some of the prime processes with which human beings communicate with their non-mediated and mediated environment. The objective of this study was to explore how the human brain, as part of a complex visual system, deploys its attentional resources to human face and non-face forms and objects, when tested as primary visual elements in basic print-media advertisement layouts. With the theoretical basis of a two-component attention framework that distinguishes between image-based bottom-up attention (50ms) and task-dependent top-down attention (250ms), it was hypothesized that faces would evoke significantly higher bottom-up attention than non-face forms, whereas non-face forms and objects would evoke significantly higher top-down attention when compared to faces. Using a repeated measures design with twenty participants, and brain wave measures or electroencephalographic (EEG) activity as the dependent variable, the study examined differences in attention evoked by four categories of stimuli - faces, products, product-in-use and abstract drawings across three cortical regions of the brain, the occipital, temporal and parietal lobes. Wilcoxon signed-ranks test showed that faces did not evoke significant bottom-up attention, whereas abstract drawings and product-in-use evoked significant attention both in the bottom-up and top-down attention frameworks. These results suggest that processing of simple and familiar stimuli like faces might be more implicit and holistic when they are juxtaposed with more novel and complex forms of stimuli like abstract drawings and products-in-use that call forth higher attentional and cognitive resources. Implications of these results for further studies of advertising effects are discussed.</p>
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dc.identifier.articleid 20357
dc.identifier.contextkey 18210179
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath rtd/19358
dc.language.iso en
dc.source.bitstream archive/|||Fri Jan 14 21:55:51 UTC 2022
dc.subject.keywords Journalism and mass communication
dc.title Brain wave measures of attention to human faces and non-face forms and objects in print media advertisements
dc.type article
dc.type.genre thesis
dspace.entity.type Publication
relation.isOrgUnitOfPublication a90aa4f9-cd8d-4028-bba5-91b31d745f15 Journalism and Mass Communication thesis Master of Science
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