Abstract
A movie trailer is a common advertising tool in the entertainment industry. Detection of a viewer’s brain responses to a movie trailer can help film producers to tailor a more appealing trailer of a movie. In this study, we acquired electroencephalographic (EEG) signals from subjects when they watched movie trailers (labeled as Movie session), and compared with their resting state session (labeled as Resting session) or when they watch nature scenes (labeled as Nature session). We used Sample Entropy (SampEn) to analyze the EEG signals between different sessions. Results showed that the complexity ratios at Fp1, Fp2 and Fz channels derived from Movie session were significantly lower than that in Resting state or when subjects watched Nature session (p < 0.001). Our results suggest that the brain status can affect the complexity of their EEG. Further, the attraction of attention of a movie trailer can be observed from the change of EEG.
Highlights
Watching movies is a part of life in modern society
The mean complexity ratios of the Nature session were higher than Movie sessions but lower than the Resting 1 and Resting 2 sessions
We used the Sample Entropy (SampEn) algorithm and introduced a novel complexity ratio to analyze the EEG signals acquired from subjects being resting, watching video clips of Nature scene and Movie trailers
Summary
Watching movies is a part of life in modern society. The scale of this entertainment industry has been over 10 billion US dollars since 2009 in North American market alone [1]. Not every movie can generate positive income for the film producers and publishers. A successful promotional campaign plays a key role in boosting the box office and resulting in positive net gross of a movie. With easy accessibility to movie database through internet, such as YouTube, Rotten Tomatoes and Internet Movie Database (IMDb), movie trailers have become a powerful advertising tool to promote a movie. In 2008, movie trailers clinched the third place on the list of the most watched online videos [2]. How to produce a good trailer for each movie become
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