Related Experiment Videos
Does the supplementary motor area play a part in modifying motor cortex reflexes?
Journal De Physiologie
|January 1, 1978
Summary
Researchers studied neuronal activity in the supplementary motor area (SMA) during a trained motor task. Findings suggest the SMA modulates motor cortex responsiveness to sensory inputs for learned movements.
Area of Science:
- Neuroscience
- Motor Control
- Sensory-Motor Integration
Background:
- The supplementary motor area (SMA) is implicated in motor planning and execution.
- Understanding the SMA's role in sensory-motor integration is crucial for explaining learned movements.
Purpose of the Study:
- To investigate the role of the supplementary motor area (SMA) in modulating motor cortex responsiveness to sensory inputs during trained motor tasks.
- To provide evidence for the SMA's involvement in learned motor behavior.
Main Methods:
- Neuronal activity was recorded from the SMA of a monkey.
- The monkey performed a trained motor task requiring sensory input utilization.
Main Results:
- Activity changes were observed in thirty-two neurons within the SMA.
- These changes correlate with the task demands and sensory processing.
Conclusions:
- The supplementary motor area (SMA) plays a role in modulating the motor cortex's response to sensory information.
- This modulation is associated with the performance of learned movements and sensory-motor adaptation.