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Related Concept Videos

Angle of Twist: Problem Solving01:13

Angle of Twist: Problem Solving

An electric motor applies a torque of 700 N·m to an aluminum shaft, triggering a stable rotation. Two pulleys, B and C, are subjected to torques of 300 N·m and 400 N·m, respectively. The modulus of rigidity is provided as 25 GPa. With the knowledge of the length and diameter of each segment, the twist angle between the two pulleys can be computed. First, a section cut is made between pulleys B and C, and the cut cross-section is analyzed using a free-body diagram. Given that the torque exerted...
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Consider a cylindrical shaft with a length denoted by L and a consistent cross-sectional radius referred to as r. This shaft undergoes a torque at the free end. The highest shearing strain within the shaft is directly proportional to the twist angle and the radial distance from the shaft axis. When the shaft behaves elastically, this shearing strain can be articulated using variables such as the applied torque, radial distance, the polar moment of inertia, and the modulus of rigidity. By...
Unsymmetric Bending01:18

Unsymmetric Bending

Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from those in symmetrical bending, and are essential for designing structures to withstand different loading conditions. In unsymmetrical bending, the neutral axis—where stress is zero—does not necessarily align with the geometric axes of the cross-section. The orientation of the...
Understanding Deception01:14

Understanding Deception

Deception is a pervasive aspect of human communication. Empirical studies have shown that most individuals engage in some form of deceit on a daily basis, with approximately 20% of social exchanges involving deceptive elements. Lying follows a developmental trajectory, peaking during adolescence and declining with age, possibly due to the maturation of cognitive control and social accountability.Cognitive and Social Factors in Deception DetectionDespite its prevalence, accurately detecting...
Simple Pendulum01:10

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Transformations of Functions III

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Related Experiment Video

Updated: May 22, 2026

Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback
05:43

Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback

Published on: May 23, 2019

New twists for an old turning illusion.

Mark Chappell1, Johanne L Hawke

  • 1School of Applied Psychology (MG) and Applied Cognitive Neuroscience Unit, Griffith Health Institute, Griffith University, Nathan, QLD 4111, Australia. m.chappell@griffith.edu.au

Perception
|May 23, 2012
PubMed
Summary

Researchers re-examined the Vernier-offset illusion using new motion trajectories. Findings generally supported a differential latency of stimulus ends explanation for the visual illusion.

Area of Science:

  • Visual perception
  • Psychophysics
  • Cognitive neuroscience

Background:

  • The Vernier-offset illusion, previously studied with static stimuli, involves misperceiving the alignment of lines.
  • Research on the flash-lag illusion introduced dynamic stimulus trajectories like onset, offset, and reverse motion.

Purpose of the Study:

  • To investigate the Vernier-offset illusion using dynamic stimulus trajectories (onset, offset, reverse).
  • To compare experimental results with existing theories, including differential latency of stimulus ends and spatial projection theories.

Main Methods:

  • Participants judged Vernier offsets and alignment-with-vertical for stimuli presented with onset, offset, and reverse motion.
  • The study adapted methodologies from flash-lag illusion research to dynamic Vernier stimuli.

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Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

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Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
09:49

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

Related Experiment Videos

Last Updated: May 22, 2026

Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback
05:43

Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback

Published on: May 23, 2019

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation
06:53

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

Published on: March 1, 2017

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
09:49

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

Main Results:

  • The observed illusion patterns largely aligned with the differential latency of stimulus ends theory.
  • Certain modern spatial projection theories and a differential latency of attribute account also showed some ability to explain the data.

Conclusions:

  • The differential latency of stimulus ends provides a robust explanation for the dynamic Vernier-offset illusion.
  • Further theoretical refinement may be needed to fully account for all observed phenomena, particularly concerning spatial projection and attribute latency.