相关实验视频
Updated: Jul 15, 2025

A Preclinical Model of Exertional Heat Stroke in Mice
Published on: July 1, 2021
在严重全身高温症下认知表现的年龄相关差异与皮质醇和身体应激反应平行
Junli Wang1, Rima Solianik1, Nerijus Eimantas1
1Institute of Sport Science and Innovations, Lithuanian Sports University, LT-44221 Kaunas, Lithuania.
全身高温改善了老年人的认知灵活性,而记忆力在年轻人和老年人中保持稳定. 这表明与年龄相关的热量差异.
科学领域:
- 生理学 生理学 生理学
- 认知神经科学 认知神经科学
- 老年学是一门学科.
背景情况:
- 在暴露于热量的过程中,对与年龄相关的认知变化的理解有限.
- 需要研究全身高温症 (WBH) 对不同年龄组认知的影响.
研究的目的:
- 评估WBH对年轻和老年男性认知功能的影响.
- 探索压力和热生理应变对认知变化的影响.
主要方法:
- 十名年轻 (19-21岁) 和九名老年人 (61-80岁) 的健康男性参与了这项研究.
- 通过在43°C的热水浸泡 (HWI) 通过被动下体加热,直到直肠温度 (Tre) 达到39-39.5°C.
- 认知表现,皮质醇水平和生理应变指数 (PSI) 在HWI前/后评估.
主要成果:
- 较年长的成年人比年轻人更低PSI和高后HWI皮质醇.
- 高温症改善了老年人的认知灵活性.
- 短期记忆和视觉识别记忆在两组中都保持不变.
结论:
- 通过WBH增加2.5°C的Tre可以增强老年人的执行功能.
- 这种改善与皮质醇增加和较低的热生理应变相关.
- 年龄会影响认知反应对严重的全身高温.
更多相关视频
07:32Use of Galvanic Skin Responses, Salivary Biomarkers, and Self-reports to Assess Undergraduate Student Performance During a Laboratory Exam Activity
Published on: February 10, 2016
09:16An Alternative to the Traditional Cold Pressor Test: The Cold Pressor Arm Wrap
Published on: January 16, 2014
相关概念视频
Factors Affecting Body Temperature
Factors may include:
Responses to Heat and Cold Stress
Homeostatic Imbalances in Body Temperature
Requirements for Human Life
Oxygen
Atmospheric air is only about 20 percent oxygen, but that oxygen is a key component of the chemical reactions that keep the body alive, including the reactions that produce ATP. Brain cells are susceptible to a lack of oxygen because they require a...
Increased Body Temperature
Aging
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...