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Intentional binding as Bayesian cue combination: testing predictions with trait individual differences

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posted on 2023-06-09, 17:23 authored by Peter LushPeter Lush, Warrick RoseboomWarrick Roseboom, A Cleeremans, Ryan ScottRyan Scott, Anil SethAnil Seth, Zoltan DienesZoltan Dienes
We investigated differences in intentional binding in high and low hypnotizable groups to explore two questions relating to (a) trait differences in the availability of motor intentions to metacognitive processes and (b) a proposed cue combination model of binding. An experience of involuntariness is central to hypnotic responding and may arise from strategically being unaware of one’s intentions. Trait differences in the ability to respond to hypnotic suggestion may reflect differing levels of access to motor intentions. Intentional binding refers to the subjective compression of the time between an action and its outcome, indicated by a forward shift in the judged time of an action toward its outcome (action binding) and the backward shift of an outcome toward a causal action (outcome binding). Intentional binding is sensitive to intentional action without requiring explicit reflection upon agency. One way of explaining the sensitivity of intentional binding is to see it as a simple case of multisensory cue combination in which awareness of intentions increases knowledge of the timing of actions. Here we present results consistent with such a mechanism. In a contingent presentation of action and outcome events, low hypnotizable had more precise timing judgments of actions and also showed weaker action binding than highs. These results support the theory that trait hypnotizability is related to access to information related to motor intentions, and that intentional binding reflects the Bayesian combination of cross-modal cues.

History

Publication status

  • Published

File Version

  • Accepted version

Journal

Journal of Experimental Psychology: Human Perception and Performance

ISSN

0096-1523

Publisher

American Psychological Association

Issue

9

Volume

45

Page range

1206-1217

Department affiliated with

  • Informatics Publications

Research groups affiliated with

  • Sackler Centre for Consciousness Science Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2019-03-27

First Open Access (FOA) Date

2019-03-27

First Compliant Deposit (FCD) Date

2019-03-26

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