Related Experiment Video
Updated: Mar 23, 2026
05:55
Modeling the Functional Network for Spatial Navigation in the Human Brain
Published on: October 13, 2023
1.6K
Monte Carlo simulation of body height in a spatial network
M Hermanussen1, C Aßmann2, K Staub3
1Aschauhof, Altenhof, Germany.
European Journal of Clinical Nutrition
|April 7, 2016
Summary
Spatial connectedness influences human height clustering. Even limited shared height data between connected districts can simulate natural height distributions, suggesting general network properties, not just geography, shape stature patterns.
Area of Science:
- Anthropometry
- Spatial network analysis
- Agent-based modeling
Background:
- Human body height exhibits spatial clustering.
- Investigating the impact of network connectedness on height distribution is crucial.
Observation:
- Swiss military conscript height data from three distinct historical periods (1884-1910 and 2004-2009) were analyzed.
- Height distributions were found to be overdispersed, with geographically connected districts showing similar heights.
- District mean height correlated with road connectivity and population size.
Findings:
- Agent-based modeling (Monte Carlo simulation) successfully replicated observed height distribution characteristics.
- As little as 5% of shared height information between connected districts was sufficient for simulation.
- Similar results in regular networks suggest these patterns are general spatial network features.
Implications:
- Spatial connectedness plays a significant role in human height clustering.
- These findings support the concept that interconnectedness influences human height regulation.
- The study highlights the generalizability of spatial network effects on anthropometric traits.
Related Concept Videos
01:03Centroid of a Body: Problem Solving
2.0K
The centroid of a body is a crucial concept in engineering and physics. Finding the centroid of a body can help determine its stability, its balance point, and even its design. In this context, consider a thin wire bent in the form of a quarter circular arc. Polar coordinates are used to calculate the centroid. The wire is first divided into small differential elements of a length equal to the radius multiplied by the differential angle.
The x-coordinates and y-coordinates of each element's...
The x-coordinates and y-coordinates of each element's...
2.0K
01:06Virtual Work for a System of Connected Rigid Bodies
835
Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is zero. This allows the calculation of the resulting forces when a system undergoes a virtual displacement. When attempting to analyze such a system, first, use a free-body diagram, where an independent coordinate represents the configuration of the links, and mark its deflected position resulting from the positive virtual displacement.
Next,...
Next,...
835
01:20Mesh Analysis
1.7K
Mesh analysis is a valuable method for simplifying circuit analysis using mesh currents as key circuit variables. Unlike nodal analysis, which focuses on determining unknown voltages, mesh analysis applies Kirchhoff's voltage law (KVL) to find unknown currents within a circuit. This method is particularly convenient in reducing the number of simultaneous equations that need to be solved.
A fundamental concept in mesh analysis is the definition of meshes and mesh currents. A mesh is a closed...
A fundamental concept in mesh analysis is the definition of meshes and mesh currents. A mesh is a closed...
1.7K
01:16Centroid of a Body
2.0K
The centroid is an important concept in engineering, physics, and mechanics. It is the geometric center of a body. It always lies within the body except in cases with holes or cavities. When the material that a body is composed of is uniform or homogeneous, the centroid coincides with its center of mass or the center of gravity.
For a homogeneous body with constant density, the centroid can usually be found using equations representing a balance of the moments of the body's volume. If the...
For a homogeneous body with constant density, the centroid can usually be found using equations representing a balance of the moments of the body's volume. If the...
2.0K
01:12Modeling and Similitude
711
Scaled modeling is a fundamental technique in engineering, enabling the study of large and complex systems by creating smaller, manageable replicas that recreate critical characteristics of the original. In hydrology and civil infrastructure, for example, scaled models of dams help analyze water flow, turbulence, and pressure. This method allows for accurate predictions of real-world behavior within a controlled environment, significantly reducing the cost and time involved in full-scale...
711
01:22Applications of Normal Distribution
10.0K
The normal distribution is a useful statistical tool. One of its practical applications is determining the door height after considering the normal distribution of heights of persons, such that many can pass through it easily without striking their heads. The normal distribution can also determine the probability of a person having a height less than a specific height.
The heights of 15 to 18-year-old males from Chile from 1984 to 1985 followed a normal distribution. The mean height is 172.36...
The heights of 15 to 18-year-old males from Chile from 1984 to 1985 followed a normal distribution. The mean height is 172.36...
10.0K