Interaction between auditory and reward brain circuits underpins musical pleasure

Why the brain enjoys music
Greater induced pleasure differences was associated with increased synchronized activity between auditory and reward regions. Credit: Mas-Herrero et al., JNeurosci 2021

Communication between the brain's auditory and reward circuits is the reason why humans find music rewarding, according to new research published in JNeurosci.

Despite no obvious biological benefits, humans love music. Neuroimaging studies highlight similarities between how the brain's circuits process music and other rewards like food, money, and alcohol. Yet neuroimaging studies are correlational by nature. In a new study, Mas-Herrero et al. sought to nail down the causal role of this circuitry by using non-invasive brain stimulation.

A group of pop music fans listened to a set of pop songs while the research team measured their with fMRI. Before the scan, the team indirectly excited or inhibited the brain's reward circuit with . Exciting the reward circuit prior to hearing music increased the pleasure participants felt when listening to the songs, while inhibiting it decreased pleasure.

These induced pleasure changes were linked to changes in activity in the , a key region of the reward circuit. The participants with the greatest difference in pleasure also showed the greatest difference in synchronized activity between auditory and reward regions.

These results indicate interactions between auditory and reward regions drive the pleasure we feel when listening to music.

More information: Unraveling the Temporal Dynamics of Reward Signals in Music-Induced Pleasure with TMS, JNeurosci (2021). DOI: 10.1523/JNEUROSCI.0727-20.2020

Journal information: Journal of Neuroscience

Citation: Interaction between auditory and reward brain circuits underpins musical pleasure (2021, March 29) retrieved 11 December 2023 from
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