A multi-sensory code for emotional arousal

People express emotion using their voice, face and movement, as well as through abstract forms as in art, architecture and music. The structure of these expressions often seems intuitively linked to its meaning: romantic poetry is written in flowery curlicues, while the logos of death metal bands us...

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Bibliographic Details
Published in:Proceedings of the Royal Society. B, Biological sciences Biological sciences, 2019-07, Vol.286 (1906), p.20190513-20190513
Main Authors: Sievers, Beau, Lee, Caitlyn, Haslett, William, Wheatley, Thalia
Format: Article
Language:English
Subjects:
Arousal
Communication
Emotions
Faculty
Female
Humans
Kinesics
Male
Neuroscience and Cognition
Photic Stimulation
Sound
Speech
Students
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Summary:People express emotion using their voice, face and movement, as well as through abstract forms as in art, architecture and music. The structure of these expressions often seems intuitively linked to its meaning: romantic poetry is written in flowery curlicues, while the logos of death metal bands use spiky script. Here, we show that these associations are universally understood because they are signalled using a multi-sensory code for emotional arousal. Specifically, variation in the central tendency of the frequency spectrum of a stimulus-its spectral centroid-is used by signal senders to express emotional arousal, and by signal receivers to make emotional arousal judgements. We show that this code is used across sounds, shapes, speech and human body movements, providing a strong multi-sensory signal that can be used to efficiently estimate an agent's level of emotional arousal.
ISSN:0962-8452
1471-2954
DOI:10.1098/rspb.2019.0513