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Updated: Aug 10, 2026
07:08
Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
Published on: August 1, 2018
Motor distal component and pragmatic representation of objects
Alessia Tessari1, Raffaella Ida Rumiati
1Programme in Neuroscience, Scuola Internazionale Superiore di Studi Avanzati, Via Beirut 2-4, Trieste, Italy.
Brain Research. Cognitive Brain Research
|June 18, 2002
Summary
Action imitation involves distinct distal and proximal motor components that can dissociate under dual-task conditions. Distal motor suppression specifically interferes with action encoding and object representation.
Area of Science:
- Cognitive Neuroscience
- Motor Control
- Human Action Imitation
Background:
- Action imitation is crucial for social learning and interaction.
- The interplay between motor components and object representation in imitation is not fully understood.
Purpose of the Study:
- To investigate the dissociation between distal and proximal motor components during action imitation.
- To explore the interaction between distal motor control and object representation.
Main Methods:
- Dual-task procedure coupling action span with motor suppression tasks.
- Experiments involved comparing effects of distal versus proximal motor suppression.
- Participants performed action spans and mimed objects under varying motor suppression conditions.
Main Results:
- Distal motor suppression significantly impacted action spans more than proximal motor suppression.
- This effect was not attributable to task difficulty differences.
- Distal motor suppression also reduced object pantomime spans more than proximal suppression.
Conclusions:
- A distinction between distal and proximal motor components in action imitation is observable under dual-task paradigms.
- Distal motor suppression interferes with both the encoding of actions and the pragmatic representation of objects.
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