定义马的侧面性的挑战:这是侧面性还是仅仅是不对称性?
Kevin K Haussler1, Sarah S le Jeune2, Russell MacKechnie-Guire3
1College of Veterinary Medicine, Lincoln Memorial University, Harrogate, TN 37752, USA.
Animals : an open access journal from MDPI
|February 13, 2025
概括
马的侧面性经常被误认为是错误的;虽然不对称性很常见,但真正的侧面性证据有限. 由于各种机制,结构和功能不对称性更为普遍.
科学领域:
- 马科的科学 马科的科学
- 动物行为 动物行为
- 神经科学是一个神经科学.
背景情况:
- 侧面性涉及特定功能的大脑半球主导.
- 马在解剖学,感官输入和运动控制方面表现出广泛的结构和功能不对称性.
- 观察到的不对称性经常,但往往是错误的,归因于横向性.
研究的目的:
- 为了审查马匹的横向性概念.
- 区分横向性与一般的结构和功能不对称性.
- 评估马类动物侧向性的证据.
主要方法:
- 关于马的横向性和不对称性的现有文献的叙事综述.
- 分析以前研究中使用的定义,方法和值.
- 综合与行为,感知和生物机械机制相关的发现.
主要成果:
- 不一致的术语和方法阻碍了对马的横向性的评估.
- 有限的证据支持马匹存在真正的横向性.
- 更强有力的证据表明,结构和功能不对称性是由既定的机制驱动的.
结论:
- 建议谨慎避免过度概括观察到的不对称性作为马的横向性.
- 区分横向性和不对称性对于准确的解释至关重要.
- 需要使用标准化方法进行进一步的研究,以澄清马的横向性.
相关概念视频
Lateralization
301
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
301
Directional Terms
8.0K
Directional terms are essential for describing the relative locations of different body structures. For instance, an anatomist might describe one band of tissue as "inferior to" another, or a physician might describe a tumor as "superficial to" a deeper body structure. These terms often use comparative terms in pairs to trace out the relative locations of one body part to another or descriptions of body tissues like the deeper ones from superficially present with reference to...
8.0K
Cerebral Hemispheres
287
The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
287
Anatomical Movements
6.8K
Anatomical movements refer to the various actions or motions that can be performed by the body's joints and muscles. These movements are described using specific terms to provide a standardized way of discussing and understanding the range of motion at different joints.
Here are some common anatomical movements:
Flexion and extension motions are in the sagittal (anterior–posterior) plane of motion. These movements take place at the shoulder, hip, elbow, knee, wrist,...
Here are some common anatomical movements:
Flexion and extension motions are in the sagittal (anterior–posterior) plane of motion. These movements take place at the shoulder, hip, elbow, knee, wrist,...
6.8K
Axial and Appendicular Muscles
1.2K
Skeletal muscles, the key players in our body's movement, can be classified into two groups based on their location and function: axial muscles and appendicular muscles. These classifications reflect the primary roles the muscles play in the body's structure and movement.
Axial Muscles
Axial muscles, situated along the body's midline, are intricately connected to the axial skeleton, which includes the skull, spine, ribs, and sternum. These muscles facilitate facial expressions and...
Axial Muscles
Axial muscles, situated along the body's midline, are intricately connected to the axial skeleton, which includes the skull, spine, ribs, and sternum. These muscles facilitate facial expressions and...
1.2K
Unsymmetric Loading of Thin-Walled Members
95
Thin-walled members with non-symmetrical cross-sections are vital to engineering structures, offering material efficiency and structural integrity. However, unsymmetrical loading on these members leads to complex stress distributions, resulting in simultaneous bending and twisting can cause deformation or structural failure. The interaction between bending and twisting requires detailed analysis to ensure structural resilience.
The concept of the shear center is crucial in countering the...
The concept of the shear center is crucial in countering the...
95


