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. Author manuscript; available in PMC: 2021 Apr 3.
Published in final edited form as: Neuroimage. 2009 May 3;47(2):667–677. doi: 10.1016/j.neuroimage.2009.04.065

Fig. 6.

Fig. 6.

Testing for correlations between neuronal activity and reaction-time differences we observed activation in temporo-parietal Area PF (60/−38/15) overlapping with those found for increased uncertainty in movement direction and timing despite orthogonalising the covariate by condition. Increasing reaction times represent the behavioral indicator for processing speed and computational load. Considering the parietal activation pattern in the different contrasts and the behavioral data we propose that Area PF is mainly involved in updating movement plans in the predictive coding framework.