Jove
Visualize
联系我们

相关概念视频

Timing and Consequences on Behavior01:08

Timing and Consequences on Behavior

157
In operant conditioning, the timing of reinforcement is crucial. For animals like rats and cats, immediate reinforcement (within a few seconds) is much more effective than delayed reinforcement. For example, a food reward for a rat needs to follow within 30 seconds of pressing a bar to be effective. 
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant...
157
Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

549
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...
549
Relative Motion Analysis - Velocity01:24

Relative Motion Analysis - Velocity

441
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...
441
Relative Motion Analysis - Acceleration01:10

Relative Motion Analysis - Acceleration

435
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...
435
Biological Clocks and Seasonal Responses02:45

Biological Clocks and Seasonal Responses

38.9K
The circadian—or biological—clock is an intrinsic, timekeeping, molecular mechanism that allows plants to coordinate physiological activities over 24-hour cycles called circadian rhythms. Photoperiodism is a collective term for the biological responses of plants to variations in the relative lengths of dark and light periods. The period of light-exposure is called the photoperiod.
38.9K
Absolute Motion Analysis- General Plane Motion01:24

Absolute Motion Analysis- General Plane Motion

273
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...
273

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

Interval Timing Is Altered in Male Nrxn1<sup>+/-</sup> Mice: A Model of Autism Spectrum Disorder.

Autism research : official journal of the International Society for Autism Research·2026
Same author

Mice extrapolate temporal information based on previously learned spatiotemporal mappings: An asymmetrical case.

Learning & behavior·2026
Same author

Bidirectional Interference Between Spatial and Temporal Processing: Evidence From a Distracting Dual-Task Paradigm.

Cognitive science·2025
Same author

Midbrain Dopamine Warps Subjective Time via Threshold Setting But Not Clock Speed.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2025
Same author

Perceptual decision making and metacognition in relation to obsessive-compulsive traits.

Consciousness and cognition·2025
Same author

Psychophysical dissection of temporal error monitoring.

Cognitive processing·2025
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

相关实验视频

Updated: Sep 18, 2025

Uncovering Beat Deafness: Detecting Rhythm Disorders with Synchronized Finger Tapping and Perceptual Timing Tasks
09:04

Uncovering Beat Deafness: Detecting Rhythm Disorders with Synchronized Finger Tapping and Perceptual Timing Tasks

Published on: March 16, 2015

12.9K

作为一个伦理镜头的运动路径进入间隔计时.

Fuat Balcı1, Varsovia Hernandez2, Ahmet Hoşer1

  • 1University of Manitoba, Department of Biological Sciences, Canada.

Behavioural processes
|June 26, 2025
PubMed
概括

鼠在固定的时间表中表现出暂时模式的运动,从奖励站点移开,然后回到奖励站点. 这种运动轨迹反映了它们的内部时间,与传统方法不同.

科学领域:

  • 行为神经科学 行为神经科学
  • 动物行为 动物行为
  • 时间生物学 时间生物学

背景情况:

  • 传统的间隔计时研究使用有限的行为测量 (例如,杆按下) 不能捕捉到动物行为的全部范围.
  • 自然环境中的时间预期指导复杂的行为,而不仅仅是焦点反应.

研究的目的:

  • 通过运动轨迹分析,在更自然的环境中研究间隔时间.
  • 为了比较固定时间 (FT) 和可变时间 (VT) 时间表中的时间模式.

主要方法:

  • 根据FT-30和VT-30的供水时间表,在修改后的露天设备中观察到老鼠.
  • 分析了运动轨迹,以确定与奖励可用性相关的时间模式.

主要成果:

  • 在FT-30的时间表中观察到明显的时间移动模式,但在VT-30的时间表中没有.
  • 在FT-30s的时间表中,老鼠在消费后离开了奖励地点,并在15秒左右开始返回,这表明时间期望.
  • 与中心相比,当奖励在墙壁附近交付时,移动模式在时间上受到更强烈的控制.

结论:

  • 动物的运动轨迹可以作为瞬间时间预期的敏感指标.
关键词:
固定时间固定时间.间隔时间计时 时间计时修改开放场的修改开放场.运动轨迹的运动轨迹它们是老鼠,老鼠,老鼠.

更多相关视频

Bouncing Ball with a Uniformly Varying Velocity in a Metronome Synchronization Task
05:04

Bouncing Ball with a Uniformly Varying Velocity in a Metronome Synchronization Task

Published on: September 21, 2017

6.1K
Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills
09:27

Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills

Published on: January 19, 2024

1.4K

相关实验视频

Last Updated: Sep 18, 2025

Uncovering Beat Deafness: Detecting Rhythm Disorders with Synchronized Finger Tapping and Perceptual Timing Tasks
09:04

Uncovering Beat Deafness: Detecting Rhythm Disorders with Synchronized Finger Tapping and Perceptual Timing Tasks

Published on: March 16, 2015

12.9K
Bouncing Ball with a Uniformly Varying Velocity in a Metronome Synchronization Task
05:04

Bouncing Ball with a Uniformly Varying Velocity in a Metronome Synchronization Task

Published on: September 21, 2017

6.1K
Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills
09:27

Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills

Published on: January 19, 2024

1.4K
  • 对运动的自然观测提供了比传统的焦点响应措施更丰富的间隔时间数据.