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Voluntary action and tactile sensory feedback in the intentional binding effect
Ke Zhao1, Li Hu2, Fangbing Qu3,4
1Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, 16 Lincui Rd., Chaoyang District, Beijing, 100101, China. zhaok@psych.ac.cn.
Experimental Brain Research
|April 3, 2016
Summary
The intentional binding effect, a temporal distortion, was only observed with voluntary actions involving tactile feedback. This suggests intention combined with touch influences time perception.
Area of Science:
- Cognitive Neuroscience
- Psychology
- Human Perception
Background:
- The intentional binding effect describes a subjective temporal compression between voluntary actions and sensory feedback.
- Understanding factors influencing this effect is crucial for cognitive science.
Purpose of the Study:
- To investigate the role of tactile sensory feedback in the intentional binding effect.
- To compare the influence of key-press versus key-release actions on temporal perception.
Main Methods:
- Experiment 1: Participants reported perceived intervals between voluntary/passive key-press/release actions and visual feedback.
- Experiment 2: Assessed the impact of action direction on time perception.
- Experiment 3: Utilized a laser system to detect finger movement without tactile feedback.
Main Results:
- The temporal binding effect was consistently observed only for voluntary actions that included tactile sensory feedback.
- Passive movements or movements without tactile contact did not elicit the binding effect.
- Action direction did not significantly alter the observed temporal binding effects.
Conclusions:
- Both voluntary intention and tactile sensory feedback are necessary for the intentional binding effect.
- Top-down processing, involving intention and tactile input, likely modulates attention to temporal events, leading to altered time perception.
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