Recent research has shown that performing approach versus avoidance behaviors (arm flexion vs. extension) effectively influences cognitive functioning. In another area, lateralized peripheral activations (left vs. right side) of the motivational systems of approach versus avoidance were linked to various performances in cognitive tasks. By combining these 2 avenues of research, the influence of motor behaviors on flexible thinking was examined through the use of lateralized approach or/and avoidance behaviors. In 5 experiments reported in this article, a combination of the laterality and arm flexion versus extension variables successfully determined flexibility-rigidity functioning, consistent with the motor congruence hypothesis (J. Cretenet & V. Dru, 2004). Through these experiments, this result has been replicated with perceptual, behavioral, and cognitive aspects of flexibility, contributing to a better understanding of the relationships between bodily components, affect, and cognition.
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