Related Experiment Video
Updated: May 22, 2025
05:55
Modeling the Functional Network for Spatial Navigation in the Human Brain
Published on: October 13, 2023
967
Brain laterality of numbers and calculation: Complex networks and their development
Carlo Semenza1, Silvia Benavides-Varela2, Elena Salillas3
1Department of Neuroscience, University of Padova, Padova, Italy; Padova Neuroscience Center, University of Padova, Padova, Italy.
Handbook of Clinical Neurology
|March 12, 2025
Summary
The brain
Area of Science:
- Neuroscience
- Cognitive Psychology
- Developmental Psychology
Background:
- Historically, number processing and calculation were thought to be primarily left-hemisphere functions.
- Recent research reveals a more complex bilateral network supporting numerical cognition.
- Understanding the developmental trajectory of these brain networks is crucial.
Purpose of the Study:
- To review current understanding of numerical and calculation lateralization in the brain.
- To explore the developmental patterns of these brain functions.
- To integrate findings from diverse research methodologies.
Main Methods:
- Review of existing literature and research findings.
- Synthesis of data from various neuroimaging and cognitive psychology studies.
- Analysis of developmental trends in numerical cognition.
Main Results:
- Numerical processing involves complex bilateral brain networks, not just the left hemisphere.
- The right hemisphere plays specific roles in arithmetic, including spatial templates and processing zero.
- Numerical brain networks mature from simpler to complex structures through growth and education.
- Bilateral processing of number-related tasks is a late developmental acquisition.
Conclusions:
- The lateralization of numbers and calculation is dynamic and task-dependent.
- Brain networks for numerical cognition undergo significant development from infancy to adulthood.
- Education and maturation play critical roles in shaping the adult numerical brain.
Keywords:
AcalculiaBrain lateralizationMath developmentNeuroimagingNumber and calculation processingNumber cognitionMore Related Videos
09:01A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
Published on: May 7, 2014
10.1K
08:28Assessment of the Effects of Endocrine Disrupting Compounds on the Development of Vertebrate Neural Network Function Using Multi-electrode Arrays
Published on: April 26, 2018
5.9K
Related Concept Videos
01:28Lateralization
294
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.
294
01:05Cerebral Hemispheres
266
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...
266
01:20Parallel Processing
143
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
143
01:17Piaget's Stage 3 of Cognitive Development
526
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...
526
01:20Relation between Mathematical Equations and Block Diagrams
159
In a spring-mass-damper system, the second-order differential equation describes the dynamic behavior of the system. When transformed into the Laplace domain under zero initial conditions, this equation can be effectively analyzed and manipulated. The transformation into the Laplace domain converts differential equations into algebraic equations, simplifying the process of isolating the output.
159
01:24Numerical Calculations
319
In engineering applications, the representation of the numerical value is critical. Presenting or reporting the answer is one of the essential parts of engineering practices. Numerical calculations are performed using handheld calculators or computers since numerically accurate answers are always preferred.
The solution to a problem is obtained using different methods. While manually solving algebraic symbols is one of the most common methods, the graphical method is often preferred. Computers...
The solution to a problem is obtained using different methods. While manually solving algebraic symbols is one of the most common methods, the graphical method is often preferred. Computers...
319