大脑的横向化和数学功能的发展:自Sperry,1974年以来的进展
Elena Salillas1, Silvia Benavides-Varela2, Carlo Semenza3
1Department of Psychology and Sociology, University of Zaragoza, Zaragoza, Spain.
Frontiers in human neuroscience
|November 15, 2023
概括
数学处理涉及两个大脑半球,挑战了早期的左半球主导理论. 最近的研究揭示了右半球在复杂的计算和数字处理中的特定角色,以及数学大脑横向化的发育转变.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 数学 认知 数学 认知
背景情况:
- 早期的研究 (Sperry,1974) 表明左半球对数学函数的主导地位,而右半球对简单的加法能力有限.
- 对焦点病变的研究表明,右半球在需要空间处理的复杂计算中发挥了作用.
- 使用先进工具进行了50年的研究,揭示了数学认知中大脑横向化的更复杂的图片.
研究的目的:
- 审查当前对大脑半球参与数学处理的理解.
- 探索右半球在通用空间处理之外的具体贡献.
- 为了澄清数学函数横向化的发展轨迹.
主要方法:
- 审查现有的理论框架和神经科学中的工具发现.
- 对横向的焦点病变和分裂大脑条件的研究分析.
- 关于数值认知和大脑横向化的发育数据的综合.
主要成果:
- 右撇子对大多数数学函数的左半球主导地位得到证实,但右半球扮演着特定的,关键的角色.
- 右侧顶叶与存储复杂算法的空间布局有关,右侧岛叶对于处理含零的数字至关重要.
- 发育数据表明,基本的数值过程中右半球占主导地位,在学龄阶段转向双边模式,右半球参与非象征性任务的比例更高.
结论:
- 数学处理涉及到两个半球之间的复杂相互作用,每个半球甚至在简单的任务中也贡献了特定的功能.
- 右半球在数学认知中的作用比以前认为的更为专业,延伸到特定的空间和数值处理.
- 大脑对数学函数的侧面化演变,早期的基本过程由右半球主导,在发育过程中转向双边参与.
更多相关视频
07:03Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice
Published on: July 31, 2019
6.8K
07:44Assessment of Cerebral Lateralization in Children using Functional Transcranial Doppler Ultrasound fTCD
Published on: September 27, 2010
20.3K
相关概念视频
01:28Lateralization
342
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.
342
01:05Cerebral Hemispheres
351
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...
351
01:17Piaget's Stage 3 of Cognitive Development
559
During Piaget's concrete operational stage, from ages 7 to 11, children exhibit a marked increase in logical thinking skills, specifically in relation to tangible, real-world events. This stage is characterized by the development of several essential cognitive concepts, including conservation, reversibility, and classification, all of which support the child's evolving capacity for structured thought.
Conservation and Constancy of Quantity
A significant cognitive milestone in the...
Conservation and Constancy of Quantity
A significant cognitive milestone in the...
559
01:22Lobes of the Cerebrum
684
The cerebral cortex, a critical structure of the brain, is intricately divided into two hemispheres, each consisting of four distinct lobes: occipital, temporal, frontal, and parietal. These lobes function cooperatively to regulate various cognitive and sensory functions, forming the basis of our complex neural capabilities.
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements....
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements....
684
01:10Higher Mental Functions of the Brain: Language
884
Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
884
01:30Information Processing Approach
44
The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
44