Related Experiment Video
Updated: Jul 30, 2026
10:51
Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans
Published on: January 15, 2018
Interference of grasping observation during prehension, a behavioural study.
1Helmholtz Research Institute, Utrecht University, Heidelberglaan 2, 3584 CS Utrecht, The Netherlands. c.dijkerman@fss.uu.nl
Experimental Brain Research
|August 19, 2006
Summary
Observing grasping movements interferes with executing similar actions, suggesting shared brain networks for action observation and execution. This finding impacts understanding of motor control and imitation.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Motor Control
Background:
- Neuroimaging and behavioral studies indicate shared neural representations for observed and executed actions.
- Action observation influences motor performance, with interference effects noted in simple movements.
Purpose of the Study:
- To investigate if action observation interferes with goal-directed prehension movements.
- To determine if observing grasping actions impacts the execution of grasping.
Main Methods:
- Participants grasped cubes of varying sizes while observing an actor perform grasping or pointing movements.
- The observed objects varied in size relative to the participant's grasped object.
Main Results:
- Maximum grip aperture during grasping was significantly affected by observing grasping towards larger objects.
- Observing pointing movements did not affect grasping execution, regardless of object size.
Conclusions:
- Observation of grasping movements can interfere with the online control of prehension.
- These findings support the existence of overlapping neural networks for grasping observation and execution.
