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Proximal Binaural Sound Can Induce Subjective Frisson.
Shiori Honda1, Yuri Ishikawa1, Rei Konno1
1Graduate School of Media and Governance, Keio University, Fujisawa, Japan.
Frontiers in Psychology
|March 21, 2020
Summary
Auditory frisson, a shiver response to sound, is enhanced by moving sounds around the listener. Acoustic features like loudness and interaural level difference influence this intriguing auditory phenomenon.
Area of Science:
- Neuroscience
- Psychoacoustics
- Auditory Perception
Background:
- Auditory frisson, an emotional response to sound, lacks a clear mechanistic understanding.
- Typical frisson-inducing sounds often involve a 'looming effect,' simulating approach into personal space.
- Research has focused on objective sound effects, with less attention to subjective frisson experiences.
Purpose of the Study:
- To investigate if moving auditory stimuli can evoke subjective feelings of frisson.
- To explore the role of sound movement and acoustic features in auditory frisson.
- To compare frisson intensity between moving and static auditory stimuli.
Main Methods:
- Participants experienced noise (white, beads, bag) and musical sounds presented statically or moving around their head (binaural rotation).
- Subjective frisson intensity was recorded.
- Pearson's correlation analysis examined relationships between acoustic features (ILD variance, loudness, sharpness) and frisson magnitude.
Main Results:
- Binaural moving sounds induced stronger auditory frisson than monaural static sounds, irrespective of noise type.
- Acoustic features, including interaural level difference variance, loudness, and sharpness, correlated with subjective frisson intensity.
- Moving musical sounds also elicited stronger frisson compared to static musical sounds.
Conclusions:
- Sound movement, specifically binaural rotation, significantly enhances auditory frisson.
- Specific acoustic properties of sound play a crucial role in modulating the intensity of auditory frisson.
- This study provides insights into the subjective experience and potential mechanisms of auditory frisson.
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