Abstract
We presented four types of music (two fast tempo and two slow tempo types) during illusory self-motion perception (vection). Vection was induced by expansional dots (optic flow), and participants estimated its strength via magnitude estimation and by pressing a button. Our purpose of this study is to examine whether music alter vection strength. Results showed that vection was facilitated by two fast tempo types and one slow tempo type of music in lieu of a no-music condition. We speculated that fast tempo, active music might induce higher arousal levels in participants compared with a no-music condition, and that higher arousal levels might induce stronger vection. We speculated that this auditory method of modulating vection strength can be utilized in the virtual reality environment.
Highlights
Music is known to influence human behavior (Review in Miell et al, 2005)
Another study found that music tempo consistently affected simulated driving speed, perceived speed, and the frequency of virtual traffic violations (Brodsky, 2002)
We focused on the effect of music on illusory self-motion perception, vection
Summary
Music is known to influence human behavior (Review in Miell et al, 2005). For instance, when listening to music with a fast tempo, supermarket shoppers have been found to move more quickly around a store, restaurant patrons eat more quickly, and drinks in pubs are consumed more quickly, than when listening to music with a slow tempo (Milliman, 1982, 1986; Herrington & Capella, 1996). Recent studies have revealed a relationship between music and self-motion, i.e. driving. We focused on the effect of music on illusory self-motion perception, vection. We found that vection could alter human arousal levels; stronger vection induced higher arousal levels (Ihaya et al, submitted). We hypothesized that the opposite was possible, i.e., that higher arousal levels could induce stronger vection. We further hypothesized that when arousal levels were increased by fast tempo music, these higher arousal levels might induce stronger vection. In this way, we predicted that fast tempo music could facilitate vection
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