Feeling of control of an action after supra and subliminal haptic distortions

•We used a robotized arm to introduce distortions in haptic feedback.•Trajectories were recorded to analyze anticipation of contact.•Subjects can adapt pointing actions after small temporal distortions.•The feeling of control decreases after trials with subliminal distortions.•This is not observed i...

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Bibliographic Details
Published in:Consciousness and cognition 2015-09, Vol.35, p.16-29
Main Authors: Weibel, Sébastien, Poncelet, Patrick Eric, Delevoye-Turrell, Yvonne, Capobianco, Antonio, Dufour, André, Brochard, Renaud, Ott, Laurent, Giersch, Anne
Format: Article
Language:English
Subjects:
Adult
Agency
Cognition & reasoning
Cognitive science
Consciousness
Emotions
Feedback
Feeling of control
Female
Hand
Haptic feedback
Humans
Internal models
Male
Motor ability
Motor control
Perceptions
Perceptual Distortion
Prediction
Psychology
Robotics
Subliminal Stimulation
Touch Perception
Young Adult
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Summary:•We used a robotized arm to introduce distortions in haptic feedback.•Trajectories were recorded to analyze anticipation of contact.•Subjects can adapt pointing actions after small temporal distortions.•The feeling of control decreases after trials with subliminal distortions.•This is not observed if subliminal distortions are interleaved with conscious ones. Here we question the mechanisms underlying the emergence of the feeling of control that can be modulated even when the feeling of being the author of one’s own action is intact. With a haptic robot, participants made series of vertical pointing actions on a virtual surface, which was sometimes postponed by a small temporal delay (15 or 65ms). Subjects then evaluated their subjective feeling of control. Results showed that after temporal distortions, the hand-trajectories were adapted effectively but that the feeling of control decreased significantly. This was observed even in the case of subliminal distortions for which subjects did not consciously detect the presence of a distortion. Our findings suggest that both supraliminal and subliminal temporal distortions that occur within a healthy perceptual–motor system impact the conscious experience of the feeling of control of self-initiated motor actions.
ISSN:1053-8100
1090-2376
DOI:10.1016/j.concog.2015.04.011