Related Experiment Video
Updated: May 8, 2026
08:18
Visualizing Motion Patterns in Acupuncture Manipulation
Published on: July 16, 2016
Learning the direction and extent of a movement
1a College of Health, Physical Education, and Recreation , The Pennsylvania State University.
Journal of Motor Behavior
|August 22, 2013
Summary
This study investigated motor learning by examining memory traces during a two-dimensional movement task. Results support the idea that distinct memory states develop with practice, aligning with closed-loop motor learning theory.
Area of Science:
- Motor learning and control
- Cognitive psychology
- Human movement science
Background:
- Understanding motor learning requires differentiating between memory trace and perceptual trace.
- Adams' (1971) closed-loop theory posits specific mechanisms for motor skill acquisition.
Purpose of the Study:
- To test the independence of memory and perceptual traces in motor learning.
- To determine if these traces develop as a function of practice amount.
- To evaluate the validity of Adams' closed-loop theory.
Main Methods:
- Participants performed a two-dimensional linear stylus displacement task.
- Acquisition phase involved 92 trials with knowledge of results (KR).
- Transfer phase included 20 trials without KR, under varied movement conditions.
Main Results:
- Data supported the hypothesis of independent memory and perceptual trace development.
- Evidence indicated that these traces increase with the amount of practice.
- Findings align with predictions of Adams' closed-loop motor learning model.
Conclusions:
- Memory trace and perceptual trace are distinct states in motor learning.
- Practice quantity positively influences the development of these memory states.
- The study provides empirical support for Adams' closed-loop theory of motor learning.
More Related Videos
Related Concept Videos
00:51Anatomical Movements
Anatomical movements refer to the various actions or motions that can be performed by the body's joints and muscles. These movements are described using specific terms to provide a standardized way of discussing and understanding the range of motion at different joints.
Here are some common anatomical movements:
Flexion and extension motions are in the sagittal (anterior–posterior) plane of motion. These movements take place at the shoulder, hip, elbow, knee, wrist, metacarpophalangeal,...
Here are some common anatomical movements:
Flexion and extension motions are in the sagittal (anterior–posterior) plane of motion. These movements take place at the shoulder, hip, elbow, knee, wrist, metacarpophalangeal,...
01:23Curvilinear Motion: Rectangular Components
Curvilinear motion characterizes the movement of a particle or object along a curved path, notably evident when envisioning a car navigating a winding road. If the car starts at point A, its position vector is established within a fixed frame of reference, where the ratio of the position vector to its magnitude signifies the unit vector pointing in the position vector's direction.
As the car advances, its position evolves over time. Quantifying the car's velocity involves computing the time...
As the car advances, its position evolves over time. Quantifying the car's velocity involves computing the time...
01:24Absolute Motion Analysis- General Plane Motion
Visualize a drone, with its propellers spinning rapidly, hovering mid-air. The fascinating movements and operations of this drone can be comprehended by applying the principle of general plane motion.
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the drone...
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the drone...
01:10Direction of Acceleration Vectors
Acceleration occurs when velocity changes in magnitude (an increase or decrease in speed), direction, or both. Although acceleration is in the direction of the change in velocity, it is not always in the direction of motion. When an object slows down, its acceleration is opposite to the direction of its motion. This is commonly referred to as deceleration. However, the term deceleration can cause confusion in analysis because it is not a vector; it does not point to a specific direction with...
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...
01:00Position and Displacement Vectors
To describe the motion of an object, one should first be able to describe its position (where it is at any particular time). More precisely, the position needs to be specified relative to a convenient frame of reference. 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 to describe the position of an object in relation to stationary objects on Earth.
Further, several important kinds of...
Further, several important kinds of...