title: Familiarity mediates the relationship between emotional arousal and pleasure during music listening.
abstract: Emotional arousal appears to be a major contributing factor to the pleasure that listeners experience in response to music. Accordingly, a strong positive correlation between self-reported pleasure and electrodermal activity (EDA), an objective indicator of emotional arousal, has been demonstrated when individuals listen to familiar music. However, it is not yet known to what extent familiarity contributes to this relationship. In particular, as listening to familiar music involves expectations and predictions over time based on veridical knowledge of the piece, it could be that such memory factors plays a major role. Here, we tested such a contribution by using musical stimuli entirely unfamiliar to listeners. In a second experiment we repeated the novel music to experimentally establish a sense of familiarity. We aimed to determine whether (1) pleasure and emotional arousal would continue to correlate when listeners have no explicit knowledge of how the tones will unfold, and (2) whether this could be enhanced by experimentally-induced familiarity. In the first experiment, we presented 33 listeners with 70 unfamiliar musical excerpts in two sessions. There was no relationship between the degree of experienced pleasure and emotional arousal as measured by EDA. In the second experiment, 7 participants listened to 35 unfamiliar excerpts over two sessions separated by 30 min. Repeated exposure significantly increased EDA, even though individuals did not explicitly recall having heard all the pieces before. Furthermore, increases in self-reported familiarity significantly enhanced experienced pleasure and there was a general, though not significant, increase in EDA. These results suggest that some level of expectation and predictability mediated by prior exposure to a given piece of music play an important role in the experience of emotional arousal in response to music.
authors.affiliation: Neuroscience and Cognition, Graduate School of Life Sciences, Utrecht University Utrecht, Netherlands ; Montreal Neurological Institute, McGill University Montreal, QC, Canada.
authors.forename: Iris
authors.initials: I
authors.lastname: van den Bosch
authors.forename: Valorie N
authors.initials: VN
authors.lastname: Salimpoor
authors.forename: Robert J
authors.initials: RJ
authors.lastname: Zatorre
keywords: EDA; emotional arousal; familiarity; music; pleasure; psychophysiology
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