State-dependent connectivity in auditory-reward networks predicts peak pleasure experiences to music

Kazuma Mori and Robert Zatorre

PLOS Biology, 2024, vol. 22, issue 8, 1-30

Abstract: Music can evoke pleasurable and rewarding experiences. Past studies that examined task-related brain activity revealed individual differences in musical reward sensitivity traits and linked them to interactions between the auditory and reward systems. However, state-dependent fluctuations in spontaneous neural activity in relation to music-driven rewarding experiences have not been studied. Here, we used functional MRI to examine whether the coupling of auditory-reward networks during a silent period immediately before music listening can predict the degree of musical rewarding experience of human participants (N = 49). We used machine learning models and showed that the functional connectivity between auditory and reward networks, but not others, could robustly predict subjective, physiological, and neurobiological aspects of the strong musical reward of chills. Specifically, the right auditory cortex-striatum/orbitofrontal connections predicted the reported duration of chills and the activation level of nucleus accumbens and insula, whereas the auditory-amygdala connection was associated with psychophysiological arousal. Furthermore, the predictive model derived from the first sample of individuals was generalized in an independent dataset using different music samples. The generalization was successful only for state-like, pre-listening functional connectivity but not for stable, intrinsic functional connectivity. The current study reveals the critical role of sensory-reward connectivity in pre-task brain state in modulating subsequent rewarding experience.Listening to music does not always elicit the same emotional response in the same person because that person’s cognitive state can change, impacting their response. This study reveals that pleasure from music is in part determined by the state of resting auditory-reward brain networks prior to listening.

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pbio00:3002732

DOI: 10.1371/journal.pbio.3002732

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