On the influence of reward on action-effect binding

PS Muhle-Karbe, RM Krebs - Frontiers in Psychology, 2012 - frontiersin.org
Frontiers in Psychology, 2012frontiersin.org
Ideomotor theory states that the formation of anticipatory representations about the
perceptual consequences of an action [ie, action-effect (AE) binding] provides the functional
basis of voluntary action control. A host of studies have demonstrated that AE binding occurs
fast and effortlessly, yet little is known about cognitive and affective factors that influence this
learning process. In the present study, we sought to test whether the motivational value of an
action modulates the acquisition of AE associations. To this end, we linked specific actions …
Ideomotor theory states that the formation of anticipatory representations about the perceptual consequences of an action [i.e., action-effect (A-E) binding] provides the functional basis of voluntary action control. A host of studies have demonstrated that A-E binding occurs fast and effortlessly, yet little is known about cognitive and affective factors that influence this learning process. In the present study, we sought to test whether the motivational value of an action modulates the acquisition of A-E associations. To this end, we linked specific actions with monetary incentives during the acquisition of novel A-E mappings. In a subsequent test phase, the degree of binding was assessed by presenting the former effect stimuli as task-irrelevant response primes in a forced-choice response task, absent reward. Binding, as indexed by response priming through the former action-effects, was only found for reward-related A-E mappings. Moreover, the degree to which reward associations modulated the binding strength was predicted by individuals’ trait sensitivity to reward. These observations indicate that the association of actions and their immediate outcomes depends on the motivational value of the action during learning, as well as on the motivational disposition of the individual. On a larger scale, these findings also highlight the link between ideomotor theories and reinforcement-learning theories, providing an interesting perspective for future research on anticipatory regulation of behavior.
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