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Updated: Feb 4, 2026
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Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
Published on: April 16, 2014
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Rhythmic motor behaviour influences perception of visual time.
Alice Tomassini1, Tiziana Vercillo2, Francesco Torricelli3
1Center for Translational Neurophysiology for Speech and Communication (CTNSC), Fondazione Istituto Italiano di Tecnologia, Via Fossato di Mortara, 17-19, 44121 Ferrara, Italy alice.tomassini@iit.it.
Proceedings. Biological Sciences
|October 5, 2018
Summary
Rhythmic finger tapping alters visual time perception. Perceived visual duration expands mid-interval and compresses near taps, showing a direct link between motor timing and sensory processing for accurate synchronization.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Sensory Processing
Background:
- Accurate synchronization between motor behavior and sensory processing is crucial.
- Temporal processing underlies this synchronization.
Purpose of the Study:
- To investigate how motor timing during rhythmic tapping influences the perception of visual time.
- To explore the relationship between self-timed motor rhythms and perceptual time distortions.
Main Methods:
- Participants tapped rhythmically in sync with auditory tones.
- Visual intervals were presented during finger tapping.
- Participants judged the perceived length of visual intervals against a reference duration.
Main Results:
- Perceived visual time showed non-monotonic distortions locked to finger taps.
- Maximal time expansion occurred at the midpoint between taps.
- Maximal time compression occurred near tap onsets.
- The degree of time distortion scaled linearly with tapping timing.
Conclusions:
- A strong intrinsic coupling exists between the distortion of perceptual time and the production of self-timed motor rhythms.
- This suggests a shared timing mechanism ensures accurate synchronization between perception and action.
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