自发率在涉及不同生物机械系统和认知需求的运动中表现出高的个体内稳定性
Ben H Engler1,2, Anna Zamm3, Cecilie Møller4
1Department of Psychology, Centre for Cognitive Neuroscience, Paris-Lodron-University of Salzburg, Salzburg, Austria. ben.engler@plus.ac.at.
Scientific reports
|June 27, 2024
概括
自发的节奏运动在各种任务中显示出个体内的高度一致性. 音乐家往往以较慢的自发速度移动,这表明共同的潜在过程影响了运动控制.
科学领域:
- 神经科学是一个神经科学.
- 发动机控制器的控制器
- 人类运动科学科学 人类运动科学
背景情况:
- 自发的节奏运动,如走路或拍手,是人类的基本行为.
- 运动速度受到生物力学,个人因素 (例如,音乐技巧) 和环境 (例如,一天中的时间) 的影响.
- 以前的研究表明,自发运动速率的个体内一致性,暗示共享的潜在神经过程.
研究的目的:
- 为了研究自发运动速率在各种任务中的一致性.
- 检查个人因素 (音乐) 和情境因素 (一天的时间) 对自发运动速率的影响.
- 为了在不同的活动中比较自发运动速度 (SMT),包括音乐制作,行走,拍手和敲击.
主要方法:
- 60名参与者执行各种自发的节奏运动任务,包括制作旋律,走路,拍手和敲击.
- 在线测量 (在实验室会议之前) 和实验室内测量,以验证在线测量.
- 使用统计分析来评估个体内稳定性,特定任务的影响,以及音乐和时间的影响.
主要成果:
- 参与者在不同任务中表现出自发运动速率的高个体内稳定性.
- 与非音乐家相比,音乐家在各种任务中表现出较慢的自发速度.
- 观察到特定任务的差异,与步行和音乐制作相比,自发音乐制作的速度更快,SMT和拍手的范围更广.
结论:
- 自发的节奏运动在个体内高度一致,支持共同的底层神经过程的存在.
- 个人因素,如音乐技巧,显著影响自发运动速率.
- 在线评估自发运动速度是研究运动控制的有效方法.
更多相关视频
相关概念视频
One-Degree-of-Freedom System
1.0K
In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, engineers can predict the behavior of various parts in a larger system, which gives them insight into how different forces interact with each other.
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
1.0K
Muscle Stimulation Frequency
4.7K
The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
4.7K
Functional Brain Systems: Reticular Formation
5.6K
The reticular formation is a complex network of gray and white matter located within the brainstem extending from the medulla to the midbrain.
Within the reticular formation, there are several distinct nuclei that can be classified into three broad categories. The Raphe nuclei are located along the midline of the brainstem. They are primarily known for their role in synthesizing and releasing serotonin, a neurotransmitter involved in regulating mood, appetite, sleep, and circadian rhythms. The...
Within the reticular formation, there are several distinct nuclei that can be classified into three broad categories. The Raphe nuclei are located along the midline of the brainstem. They are primarily known for their role in synthesizing and releasing serotonin, a neurotransmitter involved in regulating mood, appetite, sleep, and circadian rhythms. The...
5.6K
Reflex Activity
5.1K
A reflex activity is an automatic, involuntary response to specific stimuli. It is a part of our survival mechanism, designed to protect us from potential harm. For example, when a bright light suddenly shines into our eyes, we instinctively close them or look away. This is a simple reflex activity orchestrated by the nervous system without conscious thought or effort.
A reflex exam is a diagnostic procedure performed by a healthcare professional to evaluate the functionality of a patient's...
A reflex exam is a diagnostic procedure performed by a healthcare professional to evaluate the functionality of a patient's...
5.1K
Transient and Steady-state Response
756
In control systems, test signals are essential for evaluating performance under various conditions. The ramp function is effective for systems undergoing gradual changes, while the step function is suitable for assessing systems facing sudden disturbances. For systems subjected to shock inputs, the impulse function is the most appropriate test signal.
These test signals are integral in designing control systems to exhibit two key performance aspects: transient response and steady-state...
These test signals are integral in designing control systems to exhibit two key performance aspects: transient response and steady-state...
756
Stability
516
The time response of a linear time-invariant (LTI) system can be divided into transient and steady-state responses. The transient response represents the system's initial reaction to a change in input and diminishes to zero over time. In contrast, the steady-state response is the behavior that persists after the transient effects have faded.
The stability of an LTI system is determined by the roots of its characteristic equation, known as poles. A system is stable if it produces a bounded...
The stability of an LTI system is determined by the roots of its characteristic equation, known as poles. A system is stable if it produces a bounded...
516


