Program

Poster
PS26A-03-286

The sense of agency can be modulated by the interaction between action optionality and valence of outcomes

[Speaker] Tanaka, Takumi:1
[Co-author] Kawabata, Hideaki:1
1:Keio university, Tokyo, Japan (Japan)

The sense of agency is a feeling of control over one's actions to cause sensory events in the environment. Previous studies revealed that the number of action alternatives and the emotional valence of action outcomes respectively influence the intentional binding effect, an implicit measure of the sense of agency. However, it reminds unknown how the interaction between these factors affects the sense of agency. In measuring intentional binding, we manipulated the manner in which participants could select action alternatives (i.e., free or forced choice) and manipulated the emotional valence (positive or negative) of sounds as sensory outcomes of participants' actions. Results indicated that outcome valence modulated intentional binding only under free choice. Thus, the sense of agency implicitly measured is influenced by the interaction between action optionality and valence of outcomes in advance of the explicit judgment of attribution.
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