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Somatosensory, Motor, and Association Cortex

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The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at the...

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Related Experiment Video

Updated: Jun 22, 2026

Visualization of Cortical Modules in Flattened Mammalian Cortices

Visualization of Cortical Modules in Flattened Mammalian Cortices

Published on: January 22, 2018

A conceptual cortical surface atlas.

Dharmendra S Modha¹

¹IBM Almaden Research Center, San Jose, California, United States of America. dmodha@us.ibm.com

|June 9, 2009

Summary

This summary is machine-generated.

We developed a method to convert 3-D slice-based brain atlases into surface atlases. This new format enhances visualization and understanding of complex cortical structures for Rhesus Monkey brains.

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Area of Science:

Neuroscience
Computational Biology
Medical Imaging

Background:

Volumetric, slice-based 3-D brain atlases are essential for studying cortical convolutions.
Existing atlases can be difficult to visualize and interpret due to their complex, multi-slice nature.

Purpose of the Study:

To present a novel method for converting slice-based brain atlases into a more intuitive surface-based format.
To improve the visualization, understanding, and accessibility of brain atlas data.

Main Methods:

Developed a scheme to transform each slice of a 3-D atlas into a 1-D vector.
Concatenated these vectors into a 2-D matrix, preserving spatial contiguity.
Applied the method to a coronal slice-based atlas of the Rhesus Monkey cortex.

Main Results:

Successfully generated conceptual surface-based atlases from a slice-based Rhesus Monkey cortical atlas.
The resulting surface atlases offer enhanced visualization compared to traditional slice-based formats.
Demonstrated the utility of the new format for indexing and browsing brain atlas data.

Conclusions:

The proposed method provides a valuable approach to converting volumetric, slice-based atlases into user-friendly surface representations.
Conceptual surface atlases serve as a useful complement to slice-based atlases for neuroanatomical research.
This technique facilitates better comprehension and navigation of complex brain structures.