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Related Concept Videos

Anatomical Movements00:51

Anatomical 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,...
The Movement of Organelles and Vesicles01:43

The Movement of Organelles and Vesicles

In eukaryotic cells,  cytoskeletal filaments such as actin, microtubules, and intermediate filaments form a mesh-like cytoskeletal network. These filaments serve as tracks for transporting cellular cargo. Specialized motor proteins use the chemical energy stored in adenosine triphosphate (ATP) for this transport. During interphase, microtubules are polarized, with the plus-end towards the cell periphery and the minus-end towards the cell center. Two microtubule-associated motor proteins,...
Support Reactions in Three Dimensions01:27

Support Reactions in Three Dimensions

Support reactions in three dimensions help maintain the stability and equilibrium of various structures and systems. These reactions prevent the system from translating and rotating, ensuring the design can withstand external forces and perform its intended function efficiently and safely. Some of the supports providing support reactions in three dimensions are discussed below:
Ball and Socket Joint is one of the supports allowing free rotation about any axis. This freedom of rotation is...
Movement Joints in Buildings01:27

Movement Joints in Buildings

Movement joints in buildings are essential design elements that accommodate inevitable motions caused by various factors such as temperature changes, moisture content variations, and structural deflections. These motions, if not considered in design and construction, can lead to unsightly or dangerous damage. Movement joints are incorporated in different forms to manage these stresses and allow materials to move without causing distress.
The simplest type of movement joints, working joints, are...

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Related Experiment Video

Updated: May 8, 2026

Movement Retraining using Real-time Feedback of Performance
08:16

Movement Retraining using Real-time Feedback of Performance

Published on: January 17, 2013

Processing demands during movement.

B Kerr1

  • 1a Department of Psychology , University of Oregon.

Journal of Motor Behavior
|August 22, 2013
PubMed
Summary
This summary is machine-generated.

Performing a movement task increases cognitive processing demands. Specifically, two-choice movements with delayed signals during execution significantly heighten these demands compared to immediate signals.

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Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans
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Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans

Published on: January 15, 2018

Related Experiment Videos

Last Updated: May 8, 2026

Movement Retraining using Real-time Feedback of Performance
08:16

Movement Retraining using Real-time Feedback of Performance

Published on: January 17, 2013

Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans
10:51

Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans

Published on: January 15, 2018

Area of Science:

  • Cognitive Psychology
  • Human Motor Control
  • Human Factors Engineering

Background:

  • Understanding the cognitive processing demands of motor tasks is crucial for designing effective human-computer interactions and training programs.
  • Reaction-time tasks are often used to infer the cognitive load associated with concurrent motor activities.

Purpose of the Study:

  • To quantify the processing demands of a speeded stylus movement task under varying conditions.
  • To investigate how the number of movement choices and the timing of visual feedback influence cognitive load.

Main Methods:

  • Participants performed a speeded stylus movement task to a stop.
  • A simple reaction-time task was administered concurrently to measure processing demands.
  • Movement conditions included one or two alternative ending positions, with signal presentation either immediate or delayed during movement.

Main Results:

  • All movement conditions imposed higher processing demands than a no-movement control.
  • Processing demands for one-choice and two-choice movements with immediate signals were comparable.
  • Two-choice movements with delayed signals exhibited significantly higher processing demands than those with immediate signals.

Conclusions:

  • Movement execution inherently increases cognitive processing load.
  • The complexity of choice and the timing of feedback critically modulate the processing demands of motor tasks.
  • Delayed visual feedback during two-choice movements represents a particularly demanding condition for cognitive processing.