Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Static Equilibrium - II01:07

Static Equilibrium - II

9.8K
Static equilibrium is a special case in mechanics that is very important in everyday life. It occurs when the net force and the net torque on an object or system are both zero. This means that both the linear and angular accelerations are zero. Thus, the object is at rest, or its center of mass is moving at a constant velocity. However, this does not mean that no forces are acting on the object within the system. In fact, there are very few scenarios on Earth in which no forces are acting upon...
9.8K
Oscillations about an Equilibrium Position01:04

Oscillations about an Equilibrium Position

6.6K
Stability is an important concept in oscillation. If an equilibrium point is stable, a slight disturbance of an object that is initially at the stable equilibrium point will cause the object to oscillate around that point. For an unstable equilibrium point, if the object is disturbed slightly, it will not return to the equilibrium point. There are three conditions for equilibrium points—stable, unstable, and half-stable. A half-stable equilibrium point is also unstable, but is named so...
6.6K
Stability of Equilibrium Configuration: Problem Solving01:13

Stability of Equilibrium Configuration: Problem Solving

949
The stability of equilibrium configurations is an important concept in physics, engineering, and other related fields. In simple terms, it refers to the tendency of an object or system to return to its equilibrium position after being disturbed. The stability of an equilibrium configuration can be analyzed by considering the potential energy function of the system and examining its behavior near the equilibrium point.
Problem-solving in the context of the stability of equilibrium configuration...
949
Static Equilibrium - I01:05

Static Equilibrium - I

18.5K
A rigid body is said to be in dynamic equilibrium when both its linear and angular acceleration are zero, relative to an inertial frame of reference. This means that a body in equilibrium can be moving, but only when its linear and angular velocities are constant. A rigid body is said to be in static equilibrium when it is at rest in the selected frame of reference. The distinction between static equilibrium (e.g., a state of rest) and dynamic equilibrium (e.g, a state of uniform motion) is...
18.5K
Stability of Equilibrium Configuration01:23

Stability of Equilibrium Configuration

760
Understanding the stability of equilibrium configurations is a fundamental part of mechanical engineering. In any system, there are three distinct types of equilibrium: stable, neutral, and unstable.
A stable equilibrium occurs when a system tends to return to its original position when given a small displacement, and the potential energy is at its minimum. An example of a stable equilibrium is when a cantilever beam is fixed at one end and a weight is attached to the other end. If the weight...
760
Pole and System Stability01:24

Pole and System Stability

864
The transfer function is a fundamental concept representing the ratio of two polynomials. The numerator and denominator encapsulate the system's dynamics. The zeros and poles of this transfer function are critical in determining the system's behavior and stability.
Simple poles are unique roots of the denominator polynomial. Each simple pole corresponds to a distinct solution to the system's characteristic equation, typically resulting in exponential decay terms in the system's...
864

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Examining visual prior entry of semantic affective valences: positive is biased over negative.

Cognition & emotion·2025
Same author

Binding a stimulus after, but not before, response execution: examining the temporal binding window of event files.

Psychological research·2025
Same author

Toddlers' Helping Behavior Is Affected by the Effortful Costs Associated With Helping Others.

Developmental science·2024
Same author

Generalisation of value-based attentional priority is category-specific.

Quarterly journal of experimental psychology (2006)·2022
Same author

Top-down then automatic: Instructions can continue to influence visual search when no longer actively implemented.

Attention, perception & psychophysics·2022
Same author

The item-specific proportion congruency effect transfers to non-category members based on broad visual similarity.

Psychonomic bulletin & review·2022

相关实验视频

Updated: Jan 8, 2026

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments
13:00

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments

Published on: January 23, 2017

10.3K

"不那么直观"的物理学:定向取代了优先考虑注意力的稳定性.

Ece Yucer1, Andrew Clement2, Jay Pratt3

  • 1Department of Psychology, University of Toronto, 100 St. George St., Toronto, ON, M5S 3G3, Canada. ece.yucer@mail.utoronto.ca.

Psychonomic bulletin & review
|December 15, 2025
PubMed
概括

对象的稳定性并不本质上引起注意. 相反,像直立方向和熟悉度这样的线索,信号稳定性,驱动注意力优先级,表明稳定性是推断而不是直接的注意力指南.

关键词:
捕捉注意力的注意力捕获直观的物理学直观的物理学.稳定的稳定性 稳定的稳定性视觉注意力 视觉注意力

更多相关视频

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
07:24

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

Published on: August 22, 2025

452
Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
06:46

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

7.5K

相关实验视频

Last Updated: Jan 8, 2026

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments
13:00

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments

Published on: January 23, 2017

10.3K
Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
07:24

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

Published on: August 22, 2025

452
Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
06:46

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

7.5K

科学领域:

  • 认知心理学 认知心理学
  • 视觉感知 视觉感知 视觉感知
  • 注意力研究研究研究研究

背景情况:

  • 了解物体属性如何影响注意力对于解释日常互动至关重要.
  • 感知稳定性在注意力分配中的作用仍未得到充分研究.

研究的目的:

  • 研究物体感知稳定性与人类注意力系统之间的相互作用.
  • 要确定稳定性本身,或与稳定性相关的线索,引导注意力.

主要方法:

  • 使用了经过修改的无线时间顺序判断任务,使用稳定和不稳定的对象刺激.
  • 使用符合参与者反应的逻辑回归模型计算主观同时性的计算点.
  • 使用各种刺激,包括交通,新奇的物体和几何形状 (线条).

主要成果:

  • 一个稳定的交通引人注意,但一个稳定的新奇物体没有,表明熟悉的作用.
  • 一条垂直线 (稳定) 吸引了人们的注意力,而不是一个倾斜的线 (不稳定),控制低层特征.
  • 结果表明稳定性线索,而不是稳定性本身,影响注意力优先级.

结论:

  • 感知到的稳定性并不直接指导注意力;相反,它是从诸如方向和熟悉等线索中推断出来的.
  • 直立定向和对象熟悉是推动早期注意力优先级的关键特征.
  • 注意力优先级受推断属性的影响,而不是固有的对象特征.