Journal
ATTENTION PERCEPTION & PSYCHOPHYSICS
Volume 83, Issue 8, Pages 3135-3145Publisher
SPRINGER
DOI: 10.3758/s13414-021-02314-0
Keywords
Perception and action; Multisensory processing; Temporal processing
Categories
Funding
- Projekt DEAL
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This study explores the impact of manipulating certainty of actions and effects on temporal binding and suggests that relatively uncertain sensory signals are more likely to be shifted towards their counterparts in action-effect sequences. These findings support the idea of a multisensory approach to temporal binding.
It has been proposed that statistical integration of multisensory cues may be a suitable framework to explain temporal binding, that is, the finding that causally related events such as an action and its effect are perceived to be shifted towards each other in time. A multisensory approach to temporal binding construes actions and effects as individual sensory signals, which are each perceived with a specific temporal precision. When they are integrated into one multimodal event, like an action-effect chain, the extent to which they affect this event's perception depends on their relative reliability. We test whether this assumption holds true in a temporal binding task by manipulating certainty of actions and effects. Two experiments suggest that a relatively uncertain sensory signal in such action-effect sequences is shifted more towards its counterpart than a relatively certain one. This was especially pronounced for temporal binding of the action towards its effect but could also be shown for effect binding. Other conceptual approaches to temporal binding cannot easily explain these results, and the study therefore adds to the growing body of evidence endorsing a multisensory approach to temporal binding.
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