Towards affective state modulation through sonic therapy
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1
SPECS, IUA, Universitat Pompeu Fabra, Spain
Background: Music is well known for affecting human emotional states, yet the relationship between specific musical parameters and emotional responses is still not clear. With the advent of new human-computer interaction technologies, it is now possible to derive emotion-related information from physiological data and use it as an input to interactive music systems.
Aims: This project focuses on the evaluation of a novel experimental technology and its potential to ameliorate agitation, fear and anxiety. A key question in physiology-based sonic generation is how sound synthesis parameters can be mapped to emotional states of valence and arousal.
Methods: Thirteen students took part in the experiment. We used both verbal and heart rate responses to evaluate the affective power of five musical parameters (brightness, loudness, noisiness, harmonicity, even/partial ratio). The sound samples were generated by a tristimulus-based sound syntesizer built with Pure Data.
Results: Our results show that a significant correlation exists between heart rate and the subjective evaluation of well-defined sound parameters. Brightness and loudness showed to be arousing parameters on subjective scale while harmonicity and even partial attenuation factor resulted in heart rate changes typically associated to valence.
Conclusions: This demonstrates that a rational approach to designing emotion-driven music systems for music therapy applications is possible.
Conference:
Tuning the Brain for Music, Helsinki, Finland, 5 Feb - 6 Feb, 2009.
Presentation Type:
Poster Presentation
Topic:
Posters
Citation:
Le Groux
S
(2009). Towards affective state modulation through sonic therapy.
Conference Abstract:
Tuning the Brain for Music.
doi: 10.3389/conf.neuro.09.2009.02.019
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Received:
26 Jan 2009;
Published Online:
26 Jan 2009.
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Correspondence:
Sylvain Le Groux, SPECS, IUA, Universitat Pompeu Fabra, Barcelona, Spain, slegroux@iua.upf.edu