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Updated: Jun 18, 2026
09:36
Measurement of Spatial Stability in Precision Grip
Published on: June 4, 2020
Predicting grip force amplitude involves circuits in the anterior basal ganglia
Pooja Wasson1, Janey Prodoehl, Stephen A Coombes
1Department of Kinesiology and Nutrition, University of Illinois at Chicago, Chicago, IL, USA.
Neuroimage
|December 1, 2009
Summary
This study reveals that the anterior basal ganglia, including the caudate and putamen, are crucial for predicting grip force amplitude. This finding highlights their role in planning precise grip control during daily activities.
Area of Science:
- Neuroscience
- Motor Control
- Cognitive Neuroscience
Background:
- Grip force control is essential for daily activities.
- Basal ganglia disorders impair grip force.
- The role of the basal ganglia in grip force prediction is unclear.
Purpose of the Study:
- To investigate the brain mechanisms of grip force amplitude prediction using fMRI.
- To determine if the basal ganglia are involved in predicting grip force.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was used.
- Participants performed grip force tasks with varying prediction levels.
- Brain activity was analyzed in relation to prediction levels.
Main Results:
- Reaction time decreased as grip force prediction increased.
- Parieto-frontal and cerebellar circuits showed increased fMRI signal with higher predictability.
- Anterior basal ganglia nuclei (caudate, anterior putamen) showed increased fMRI signal with prediction.
- Posterior basal ganglia nuclei showed no change in fMRI signal.
Conclusions:
- Anterior basal ganglia nuclei are involved in the predictive scaling of precision grip force.
- These findings support the basal ganglia's role in planning and parameterizing grip force control.
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