One step ahead: The perceived kinematics of others’ actions are biased toward expected goals

Hudson, Matthew, Nicholson, Toby, Simpson, William A, Ellis, Rob and Bach, Patric
(2016) One step ahead: The perceived kinematics of others’ actions are biased toward expected goals. Journal of Experimental Psychology: General, 145 (1). 1 - 7.

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Action observation is often conceptualized in a bottom-up manner, where sensory information activates conceptual (or motor) representations. In contrast, here we show that expectations about an actor’s goal have a top-down predictive effect on action perception, biasing it toward these goals. In 3 experiments, participants observed hands reach for or withdraw from objects and judged whether a probe stimulus corresponded to the hand’s final position. Before action onset, participants generated action expectations on the basis of either object types (safe or painful, Experiments 1 and 2) or abstract color cues (Experiment 3). Participants more readily mistook probes displaced in a predicted position (relative to unpredicted positions) for the hand’s final position, and this predictive bias was larger when the movement and expectation were aligned. These effects were evident for low-level movement and high-level goal expectancies. Expectations bias action observation toward the predicted goals. These results challenge current bottom-up views and support recent predictive models of action observation.

Item Type: Article
Uncontrolled Keywords: representational momentum, action prediction, predictive coding, mirror neurons, prediction error
Depositing User: Symplectic Admin
Date Deposited: 06 Jan 2020 11:15
Last Modified: 05 Oct 2022 22:20
DOI: 10.1037/xge0000126
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