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年龄对上肢感官处理,自身感知和运动功能的差异影响
Leen Saenen1, Geert Verheyden1, Jean-Jacques Orban de Xivry2,3
1Department of Rehabilitation Sciences, KU Leuven, Leuven, Belgium.
Journal of neurophysiology
|September 13, 2023
概括
衰老显著影响感官处理,这是一个与自身感知不同的大脑功能. 这种下降比与年龄相关的运动技能或自身感知方面的变化更为明显,突出了认知能力.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 人类感官系统 人类感官系统
背景情况:
- 感官处理包括大脑的整合和解释体感官信息随着时间的推移.
- 衰老对感官处理的影响,以及它与运动功能,自身感知和认知的关系,尚未得到充分理解.
- 即使当感官处理因病变等因素而受损时,自身感知也可以保持完整.
研究的目的:
- 调查衰老对上肢感官处理能力的影响.
- 检查共变量的影响,包括运动功能,自身感知和认知,对感官处理.
- 为了比较与年龄相关的感觉处理变化与运动功能和自身感知方面的变化.
主要方法:
- 在健康的年轻人和老年人中测量了上肢的被动和活跃的感官处理,运动功能,自身感知和认知.
- 在所有测量变量中分析了与年龄相关的差异.
- 采用回归分析来评估共变量对感官处理性能的影响.
主要成果:
- 与运动功能 (r = 0.18-0.22) 和自身感知 (r = 0.10-0.27) 相比,感官处理表现出更大的与年龄相关的效果大小 (r = 0.38).
- 认知表现出与年龄相关的最显著的下降 (r = 0.56-0.63).
- 积极的感官处理与认知相关 (β = 0.30-0.42),但感官处理与运动功能或自身感知无关,独立于年龄.
结论:
- 感官处理表现出与年龄相关的显著衰退.
- 在老年人中,保留了某些自感和运动能力.
- 认知是影响衰老中的积极感官处理的一个重要因素.
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