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Short-term mindfulness practice attenuates reward prediction errors signals in the brain.

Scientific Reports May 6, 2019 Ulrich Kirk, Giuseppe Pagnoni, Sébastien Hétu et al.

Abstract: Activity changes in dopaminergic neurons encode the ongoing discrepancy between expected and actual value of a stimulus, providing a teaching signal for a reward prediction process. Previous work comparing a cohort of long-term Zen meditators to controls demonstrated an attenuation of reward prediction signals to appetitive reward in the striatum. Using a cross-commodity design...