相关实验视频
Updated: Jan 28, 2026

07:54
Detecting Behavioral Deficits in Rats After Traumatic Brain Injury
Published on: January 30, 2018
18.9K
反应平衡缺陷在轻度创伤性脑损伤后的人不同,基于自我报告症状的慢性
Cecilia Monoli1, Paula K Johnson2, Amanda J Morris3
1Department of Health & Kinesiology, University of Utah, Salt Lake City, UT, USA.
Neurorehabilitation and neural repair
|January 26, 2026
概括
轻度创伤性脑损伤 (mTBI) 后的反应平衡缺陷持续存在并因恢复阶段而异. 急性mTBI影响步骤延迟,而慢性mTBI影响稳定时间,与症状严重程度相关.
科学领域:
- 神经科学是一个神经科学.
- 生物力学 生物力学
- 康复科学 康复科学 康复科学
背景情况:
- 轻度创伤性脑损伤 (mTBI) 通常会导致影响日常生活的持久平衡障碍.
- 虽然已知静态和动态平衡赤字,但反应平衡 (对于从扰乱中恢复至关重要) 在mTBI中研究较少.
- 反应平衡,症状严重程度和mTBI后的生活质量之间的联系需要进一步调查.
研究的目的:
- 为了调查mTBI恢复的不同阶段的反应平衡赤字.
- 确定反应平衡,自我报告的症状和mTBI后的生活质量之间的关联.
主要方法:
- 一项涉及82名参与者的横截面研究:19例急性mTBI,11例亚急性mTBI,11例慢性mTBI和41例健康对照.
- 在单任务和认知双任务条件下,使用仪器修改的推和释放测试来评估反应平衡.
- 关键指标包括稳定时间和步骤延迟.
主要成果:
- 与对照组相比,急性mTBI患者的步骤延迟 (单任务和双任务) 增加,但稳定时间正常.
- 慢性mTBI患者表现出较长的稳定时间 (单任务和双任务) 与正常步骤延迟相比对照.
- 症状的严重程度,特别是头,与平衡缺陷相关,特别是在急性和次急性恢复阶段.
结论:
- 反应平衡损伤是mTBI后持续存在的问题,在急性,次急性和慢性恢复阶段观察到不同的模式.
- 不同的平衡控制策略表明适应性功能变化,以应对症状.
- 这些发现凸显了需要量身定制的康复方法,以解决在不同mTBI恢复阶段的特定反应平衡赤字.
相关概念视频
Acid-Base Balance
2.5K
The human body maintains a narrow pH range regulated through acid-base balance. This balance is crucial as changes in the hydrogen ion concentration can disrupt cell membrane stability, alter protein structures, and change enzyme activities. The normal pH of arterial blood is 7.4, venous blood and interstitial fluid is 7.35, and intracellular fluid averages 7.0.
When the pH of arterial blood rises above 7.45, it results in a condition called alkalosis. Conversely, a drop below 7.35 leads to...
When the pH of arterial blood rises above 7.45, it results in a condition called alkalosis. Conversely, a drop below 7.35 leads to...
2.5K
Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.
3.7K
Understanding the variety of primary symptoms and systemic complications that characterize chronic obstructive pulmonary disease (COPD) is crucial for healthcare professionals.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
3.7K
Respiratory Regulation of Acid-Base Balance
1.7K
Respiratory compensation is a vital physiological process that stabilizes blood plasma pH by regulating the partial pressure of carbon dioxide (PCO2), a key determinant of pH levels. Most carbon dioxide in the blood dissolves and converts into carbonic acid (H2CO3). It dissociates into hydrogen ions (H+) and bicarbonate ions (HCO3⁻). There is also an inverse relationship between PCO2 and pH.
When carbon dioxide levels increase in the blood, more H+ and HCO3⁻ are...
When carbon dioxide levels increase in the blood, more H+ and HCO3⁻ are...
1.7K
Disorders of Acid-Base Balance
2.0K
The human body maintains a precise pH range of arterial blood between 7.35 and 7.45. Deviations result in either acidosis (pH < 7.35) or alkalosis (pH > 7.45). These conditions are further classified as respiratory or metabolic disorders based on their underlying cause.
Respiratory Acidosis and Alkalosis
Respiratory acidosis occurs due to an increase in the partial pressure of carbon dioxide PCO2 in the blood. It often arises from shallow breathing or impaired gas exchange caused by...
Respiratory Acidosis and Alkalosis
Respiratory acidosis occurs due to an increase in the partial pressure of carbon dioxide PCO2 in the blood. It often arises from shallow breathing or impaired gas exchange caused by...
2.0K
Renal Regulation of Acid-Base Balance
1.7K
Metabolic reactions in the body produce nonvolatile acids, such as sulfuric acid, which generate an acid load of approximately 1 mEq of H+ per kilogram of body weight daily. Excreting H+ in the urine is essential to balance this acid load.
In the kidneys, cells within the proximal convoluted tubules (PCT) and the collecting ducts secrete hydrogen ions (H+) into the tubular fluid. Specifically, in the PCT, Na+/H+ antiporters secrete H+ while reabsorbing Na+.
However, the intercalated cells in...
In the kidneys, cells within the proximal convoluted tubules (PCT) and the collecting ducts secrete hydrogen ions (H+) into the tubular fluid. Specifically, in the PCT, Na+/H+ antiporters secrete H+ while reabsorbing Na+.
However, the intercalated cells in...
1.7K
Balancing Redox Equations
61.9K
Electrochemistry is the science involved in the interconversion of electrical and chemical reactions. Such reactions are called reduction-oxidation, or redox reactions. These important reactions are defined by changes in oxidation states for one or more reactant elements and include a subset of reactions involving the transfer of electrons between reactant species. Electrochemistry as a field has evolved to yield sufficient insights on the fundamental principles of redox chemistry and multiple...
61.9K

