• Julio Plata Bello, Cristián Modroño, Francisco Marcano, and José Luis González-Mora.
• Department of Physiology, Faculty of Medicine, University of La Laguna, San Cristóbal de La Laguna, Spain; Hospital Universitario de Canarias (Department of Neurosurgery), 38320, S/C de Tenerife, Spain.
• Eur. J. Neurosci. 2015 Apr 1; 41 (7): 940-8.

AbstractThe ability to understand competitive games is closely connected to the mirror neuron system (MNS). This network is activated not only when an action is performed, but also when it is observed. Apart from allowing the understanding of actions performed by others, the MNS has been implicated in predicting subsequent actions. However, the results concerning the modulation of this network by the final outcome of these predictions are contradictory. These contradictions may be related to the use of complex experimental conditions. The aim of this research is to identify changes in the activity of the MNS when the predictions are or are not satisfied in a simple intransitive action-based game. An event-related functional magnetic resonance imaging study was conducted. It consisted of the observation of videos with two actors playing the well-known rock-paper-scissors game. The participants were asked to predict the response of the second actor when the first actor performed one of the three possible actions. In some videos (congruents) the prediction was satisfied, but in the rest of the videos (incongruents) the prediction was not satisfied. When the result was shown, higher activity in the MNS was observed in the congruent videos than in the incongruent ones. Therefore, the observation of a simple manual game leads to a significant activation of the MNS, and this activity seems to be modulated by the final outcome of a prediction, and when predictions are satisfied the activity is higher.© 2015 Federation of European Neuroscience Societies and John Wiley & Sons Ltd.

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