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Conf Proc IEEE Eng Med Biol Soc. 2019 Jul;2019:2964-2967. doi: 10.1109/EMBC.2019.8857298.

A Predictive Coding Model for Evoked and Spontaneous Pain Perception.


Pain is a complex multidimensional experience, and pain perception is still incompletely understood. Here we combine animal behavior, electrophysiology, and computer modeling to dissect mechanisms of evoked and spontaneous pain. We record the local field potentials (LFPs) from the primary somatosensory cortex (S1) and anterior cingulate cortex (ACC) of freely behaving rats during pain episodes, and develop a predictive coding model to investigate the temporal coordination of oscillatory activity between the S1 and ACC. Our preliminary results from computational simulations support the experimental findings and provide new predictions.


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