[P1] Poster: Day 1

[P1-31] Temporal Binding and Sense of Agency in Oculomotor Control

*Lynn Huestegge¹, Julian Gutzeit¹ (1. University of Wuerzburg (Germany))

Keywords:

Sense of Agency,Eye Movements,Temporal Binding

We investigated sense of agency (SoA) for saccades using explicit and implicit agency measures, including temporal binding. Participants moved their eyes towards on-screen stimuli that subsequently changed color. Participants then either reproduced the temporal interval between saccade and color-change or reported the time points of these events via an auditory Libet clock to measure temporal binding. Crucially, participants were either made to believe to exert control over the color change or not, thereby establishing an agency manipulation. Explicit ratings indicated that the manipulation of causal beliefs and hence agency was successful. However, temporal binding was only evident for caused effects, and only when a sufficiently sensitive procedure was used, that is, an auditory Libet clock. This suggests a feebler connection between temporal judgements and SoA than previously assumed. The results also provide evidence in favor of a fast acquisition of sense of agency for previously never experienced types of action-effect associations. Oculomotor temporal effect binding as addressed in the present study is theoretically informative given the lower degree of voluntariness involved in eye movement control as compared to more standard effector systems (e.g., manual) typically utilized in temporal binding research.