Related Experiment Video
Updated: Jul 18, 2026
08:16
Movement Retraining using Real-time Feedback of Performance
Published on: January 17, 2013
13.4K
Online reach adjustments induced by real-time movement sonification
Michael Barkasi1, Ambika Bansal2, Björn Jörges2
1Centre for Vision Research, York University, 4700 Keele Street, Toronto M3J 1P3, Ontario, Canada; Department of Neuroscience, Washington University School of Medicine in St. Louis, 660 S. Euclid Ave., St. Louis 63110-1010, MO, USA.
Human Movement Science
|July 4, 2024
Summary
Movement sonification enhances motor control through real-time adjustments, improving internal models over time. While online feedback aids initial learning, terminal feedback is more effective for immediate error reduction.
Area of Science:
- Neuroscience
- Motor Control
- Human-Computer Interaction
Background:
- Movement sonification offers a promising auditory feedback method to enhance motor control.
- Its effectiveness in improving motor skills for healthy individuals and those with sensorimotor deficits is established.
- The precise mechanisms driving these improvements, specifically online adjustments versus long-term learning, remain unclear.
Purpose of the Study:
- To investigate whether movement sonification-driven motor improvements stem from real-time trajectory adjustments or multi-trial internal model modifications.
- To differentiate the impact of online (real-time) versus terminal (delayed) sonification feedback on motor control and learning.
Main Methods:
- Compared reach kinematics and error between online and terminal sonification feedback conditions.
- Utilized both between-subject and within-subject designs to assess motor learning and adaptation.
- Analyzed kinematic data for evidence of online trajectory adjustments, such as muscle twitches.
Main Results:
- Reaches with online feedback exhibited significantly more jerky movements, indicating greater online trajectory adjustments.
- Between-subject design revealed superior motor learning with online feedback compared to terminal feedback.
- Within-subject design showed that transitioning from online to terminal feedback reduced errors, suggesting online adjustments are task-specific.
Conclusions:
- Movement sonification facilitates online trajectory adjustments that contribute to improved internal models over multiple trials.
- These online adjustments, while beneficial for learning, do not appear to be optimal for immediate error correction in this task.
- The findings highlight a dual mechanism where sonification aids both immediate adaptation and long-term motor learning.
Related Concept Videos
01:31Position and Displacement
The position of an object defines its location relative to a convenient frame of reference at any particular time. A frame of reference is an arbitrary set of axes from which the position and motion of an object are described. Earth is often used as a frame of reference, and we often describe the position of an object as it relates to stationary objects on Earth. For example, a rocket launch could be described in terms of the position of the rocket with respect to Earth as a whole. On the other...
01:24Relative Motion Analysis - Velocity
A stroke engine has a slider-crank mechanism that converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider.
When an external force is exerted, it sets the crank into a rotational movement. This, in turn, instigates the motion of the connecting rod, leading to what is referred to as a general plane motion. This process involves two key points - point A on the connecting rod...
When an external force is exerted, it sets the crank into a rotational movement. This, in turn, instigates the motion of the connecting rod, leading to what is referred to as a general plane motion. This process involves two key points - point A on the connecting rod...
01:25Relative Motion Analysis using Rotating Axes
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it instrumental in...
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it instrumental in...
01:29Relative Motion Analysis using Rotating Axes-Problem Solving
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
Here, in order to determine the magnitude of velocity and acceleration for point...
01:31Position and Displacement
The position of an object defines its location relative to a convenient frame of reference at any particular time. A frame of reference is an arbitrary set of axes from which the position and motion of an object are described. Earth is often used as a frame of reference, and we often describe the position of an object as it relates to stationary objects on Earth. For example, a rocket launch could be described in terms of the position of the rocket with respect to Earth as a whole. On the other...
01:10Relative Motion Analysis - Acceleration
A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...