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相关概念视频

Substance Use Disorders Affecting Sleep01:24

Substance Use Disorders Affecting Sleep

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Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
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Regulation of Heart Rates01:31

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The regulation of heart rate is a complex process controlled by the autonomic nervous system (ANS), hormonal influences, and intrinsic cardiac mechanisms. The ANS has two main components: the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS).
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
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Factors Influencing Heart Rate01:30

Factors Influencing Heart Rate

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The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
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Cardiac Output I:Effect of Heart Rate on Cardiac Output01:19

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Cardiac Output
Cardiac output (CO) refers to the total amount of blood ejected by one of the ventricles in liters per minute (L/min). In a resting adult, CO ranges from 5 to 6 L/min, adjusting according to the body's metabolic requirements.
Effect of Heart Rate on Cardiac Output
Cardiac output adapts to metabolic demands during stress, physical activity, or illness. The autonomic nervous system regulates heart rate via the sinoatrial node. The parasympathetic nervous system decreases heart...
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Measuring Reaction Rates03:09

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Polarimetry finds application in chemical kinetics to measure the concentration and reaction kinetics of optically active substances during a chemical reaction. Optically active substances have the capability of rotating the plane of polarization of linearly polarized light passing through them—a feature called optical rotation. Optical activity is attributed to the molecular structure of substances. Normal monochromatic light is unpolarized and possesses oscillations of the electrical...
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Deleterious substances in aggregates can be detrimental to the quality and durability of concrete. These substances include organic impurities like loam, which interfere with cement hydration and are usually present in the sand. These prevent a good bond between aggregate and cement paste. Organic impurities can be detected using the colorimetric test, where the darkness of a solution after agitation indicates the level of organic content.
Another type of impurity is clay and fine material that...
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相关实验视频

Updated: Feb 13, 2026

Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions
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心率变化 药物使用障碍的生物反:健康政策影响

Sarah T Wieman1, David Eddie2,3

  • 1Department of Psychology, Suffolk University, Boston, MA, USA.

Policy insights from the behavioral and brain sciences
|February 12, 2026
PubMed
概括
此摘要是机器生成的。

心率变化生物反 (HRVB) 提供了一种有希望的方法,通过准生理缺陷来补充物质使用障碍 (SUD) 治疗. 进一步的研究是必不可少的,以确认其在支持长期SUD恢复的有效性.

关键词:
每分钟6次呼吸 呼吸时间影响和行为调节调节.自主神经系统自主神经系统心率变化生物反心率变化生物反药物使用障碍的恢复

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Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology
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科学领域:

  • 神经科学是一个神经科学.
  • 心理学 心理学 心理学
  • 公共卫生 公共卫生

背景情况:

  • 药物使用障碍 (SUD) 的特点是复发,通常是由与情绪状态和环境线索相互作用的生理过程驱动的.
  • 目前的SUD治疗侧重于认知和情感控制,但没有直接解决潜在的生理脆弱性.
  • 在SUD中自动生理失调会损害努力的自我控制,阻碍恢复.

研究的目的:

  • 引入心率变化生物反 (HRVB) 作为SUD的补充干预措施.
  • 突出HRVB的潜力,直接针对SUD的生理缺陷.
  • 讨论HRVB的演变成为带有即时支持能力的门诊干预.

主要方法:

  • HRVB使用节奏呼吸练习来增强生理自我调节.
  • 干预已经从临床转移到使用可穿戴生物传感器和智能手机应用程序的门诊环境.
  • 证据支持HRVB在SUD中的有效性正在出现.

主要成果:

  • HRVB直接解决SUD中与情绪状态和环境触发因素相互作用的生理缺陷.
  • 门诊HRVB在自我调节方面提供了即时支持的潜力.
  • 现有证据表明HRVB在支持SUD治疗中的有效性.

结论:

  • HRVB是一种有前途的辅助治疗物质使用障碍.
  • 需要进一步的研究,以充分确定HRVB在SUD恢复中的作用,并为政策提供信息.
  • 门诊HRVB的发展提高了其可访问性和持续支持的潜力.