Side effect of acting on the world: acquisition of action-outcome statistic relation alters visual interpretation of action outcome

Kawabe, Takahiro

doi:10.3389/fnhum.2013.00610

Cited by 6 publications

(5 citation statements)

References 37 publications

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“…Whether body-part specificity also operates in nontemporal tasks remains unclear as well. Notably, as a 'side effect', the association between the body parts and prior distributions was found in the judgement of visual motion directions 28 , although the causal relationship between the motor responses and priors was opposite to that in our tasks. In this study, participants triggered the motion stimulus (upward/downward) by key pressing of the right or left index finger.…”

Section: Implication Of the Current Results And Future Perspectivescontrasting

confidence: 59%

Body-part specificity for learning of multiple prior distributions in human coincidence timing

Matsumura,

Roach,

Heron

et al. 2023

Preprint

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During timing tasks, the brain learns the statistical distribution of target intervals and integrates this prior knowledge with sensory inputs to optimise task performance. Daily events can have different temporal statistics (e.g. fastball/slowball in baseball batting), making it important to learn and retain multiple priors. However, the rules governing this process are not yet understood. Here, we demonstrate that the learning of multiple prior distributions in a coincidence timing task is characterised by body-part specificity. In our experiments, two prior distributions (short and long intervals) were imposed on participants. When using only one body part for timing responses, regardless of the priors, participants learned a single prior by generalising over the two distributions. However, when the two priors were assigned to different body parts, participants concurrently learned the two independent priors. Moreover, body-part specific prior acquisition was faster when the priors were assigned to anatomically distant body parts (e.g. hand/foot) than when they were assigned to close body parts (e.g. index/middle fingers). This suggests that the body-part specific learning of priors is organised according to somatotopy.

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Section: Implication Of the Current Results And Future Perspectivescontrasting

confidence: 59%

Body-part specificity for learning of multiple prior distributions in human coincidence timing

Matsumura,

Roach,

Heron

et al. 2023

Preprint

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“…The sense of agency can be considered a special case of perceived causality between a movement/ action and a temporally contingent sensory effect (e.g., light as effect of pushing a switch) [ 43 ]. As such, the sense of agency also represents a special case of cross-modal interaction [ 26 ]: It involves the integration of internal signals associated with movement execution and exteroceptive feedback signals. Typically, researchers exploited visual or auditory feedback signals.…”

Section: Discussionmentioning

confidence: 99%

“…We predicted effects to be independent of feedback modality, testing this prediction by implementing a visual outcome feedback in a second experiment. If anything, we expected effects to be even clearer when both movement and outcome-related feedback are presented in the same modality (e.g., like visual in Experiment 2), as this would facilitate perceptual comparison between movement and outcome [ 26 , 27 ].…”

Section: Introductionmentioning

confidence: 99%

The Sense of Agency Is More Sensitive to Manipulations of Outcome than Movement-Related Feedback Irrespective of Sensory Modality

et al. 2016

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The sense of agency describes the ability to experience oneself as the agent of one's own actions. Previous studies of the sense of agency manipulated the predicted sensory feedback related either to movement execution or to the movement’s outcome, for example by delaying the movement of a virtual hand or the onset of a tone that resulted from a button press. Such temporal sensorimotor discrepancies reduce the sense of agency. It remains unclear whether movement-related feedback is processed differently than outcome-related feedback in terms of agency experience, especially if these types of feedback differ with respect to sensory modality. We employed a mixed-reality setup, in which participants tracked their finger movements by means of a virtual hand. They performed a single tap, which elicited a sound. The temporal contingency between the participants’ finger movements and (i) the movement of the virtual hand or (ii) the expected auditory outcome was systematically varied. In a visual control experiment, the tap elicited a visual outcome. For each feedback type and participant, changes in the sense of agency were quantified using a forced-choice paradigm and the Method of Constant Stimuli. Participants were more sensitive to delays of outcome than to delays of movement execution. This effect was very similar for visual or auditory outcome delays. Our results indicate different contributions of movement- versus outcome-related sensory feedback to the sense of agency, irrespective of the modality of the outcome. We propose that this differential sensitivity reflects the behavioral importance of assessing authorship of the outcome of an action.

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“…Secondly, perception is also affected by more temporary action-outcome expectations, that are more easily updated through contextual demands 8 . For instance, the perceived motion direction of ambiguous action-outcomes can be biased by acquiring new, arbitrary, associations between actions and following effects 13 , 14 .…”

Section: Introductionmentioning

confidence: 99%

Perception of action-outcomes is shaped by life-long and contextual expectations

Dogge

Custers

Gayet

et al. 2019

Sci Rep

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The way humans perceive the outcomes of their actions is strongly colored by their expectations. These expectations can develop over different timescales and are not always complementary. The present work examines how long-term (structural) expectations – developed over a lifetime - and short-term (contextual) expectations jointly affect perception. In two studies, including a pre-registered replication, participants initiated the movement of an ambiguously rotating sphere by operating a rotary switch. In the absence of any learning, participants predominantly perceived the sphere to rotate in the same direction as their rotary action. This bias toward structural expectations was abolished (but not reversed) when participants were exposed to incompatible action-effect contingencies (e.g., clockwise actions causing counterclockwise percepts) during a preceding learning phase. Exposure to compatible action-effect contingencies, however, did not add to the existing structural bias. Together, these findings reveal that perception of action-outcomes results from the combined influence of both long-term and immediate expectations.

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Side effect of acting on the world: acquisition of action-outcome statistic relation alters visual interpretation of action outcome

Cited by 6 publications

References 37 publications

Body-part specificity for learning of multiple prior distributions in human coincidence timing

Body-part specificity for learning of multiple prior distributions in human coincidence timing

The Sense of Agency Is More Sensitive to Manipulations of Outcome than Movement-Related Feedback Irrespective of Sensory Modality

Perception of action-outcomes is shaped by life-long and contextual expectations

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