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  Proof of concept study: Testing human volatile organic compounds as tools for age classification of films

Stönner, C., Edtbauer, A., Derstroff, B., Bourtsoukidis, E., Klüpfel, T., Wicker, J., et al. (2018). Proof of concept study: Testing human volatile organic compounds as tools for age classification of films. PLoS One, 13(10): e0203044. doi:10.1371/journal.pone.0203044.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-0733-C Version Permalink: http://hdl.handle.net/21.11116/0000-0003-0734-B
Genre: Journal Article

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 Creators:
Stönner, Christof1, Author              
Edtbauer, Achim1, Author              
Derstroff, Bettina1, Author              
Bourtsoukidis, Efstratios1, Author              
Klüpfel, Thomas1, Author              
Wicker, J.2, Author
Williams, J.1, Author              
Affiliations:
1Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society, ou_1826285              
2external, ou_persistent22              

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 Abstract: Humans emit numerous volatile organic compounds (VOCs) through breath and skin. The nature and rate of these emissions are affected by various factors including emotional state. Previous measurements of VOCs and CO2 in a cinema have shown that certain chemicals are reproducibly emitted by audiences reacting to events in a particular film. Using data from films with various age classifications, we have studied the relationship between the emission of multiple VOCs and CO2 and the age classifier (0, 6, 12, and 16) with a view to developing a new chemically based and objective film classification method. We apply a random forest model built with time independent features extracted from the time series of every measured compound, and test predictive capability on subsets of all data. It was found that most compounds were not able to predict all age classifiers reliably, likely reflecting the fact that current classification is based on perceived sensibilities to many factors (e.g. incidences of violence, sex, antisocial behaviour, drug use, and bad language) rather than the visceral biological responses expressed in the data. However, promising results were found for isoprene which reliably predicted 0, 6 and 12 age classifiers for a variety of film genres and audience age groups. Therefore, isoprene emission per person might in future be a valuable aid to national classification boards, or even offer an alternative, objective, metric for rating films based on the reactions of large groups of people.

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Language(s): eng - English
 Dates: 2018
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
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Title: PLoS One
Source Genre: Journal
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Publ. Info: San Francisco, CA : Public Library of Science
Pages: - Volume / Issue: 13 (10) Sequence Number: e0203044 Start / End Page: - Identifier: ISSN: 1932-6203
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000277850