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Association Areas of the Cortex

Association Areas of the Cortex

Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...

Somatosensory, Motor, and Association Cortex

Somatosensory, Motor, and Association Cortex

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...

Motor and Sensory Areas of the Cortex

Motor and Sensory Areas of the Cortex

The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex....

Somatosensation

Somatosensation

The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.

Neural Circuits

Neural Circuits

Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...

Cerebral Hemispheres

Cerebral Hemispheres

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...

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Related Experiment Video

Updated: Nov 25, 2025

Visualization of Cortical Modules in Flattened Mammalian Cortices

Visualization of Cortical Modules in Flattened Mammalian Cortices

Published on: January 22, 2018

Expert Programmers Have Fine-Tuned Cortical Representations of Source Code.

Yoshiharu Ikutani¹, Takatomi Kubo², Satoshi Nishida³

¹Graduate School of Science and Technology, Division of Information Science, Nara Institute of Science and Technology (NAIST), Ikoma, Nara 630-0192, Japan.

|December 15, 2020

Summary

This summary is machine-generated.

Expert programmers show distinct brain activity patterns in frontal, parietal, and temporal regions. This suggests programming expertise relies on specialized neural representations in the brain.

Keywords:

brain decoding functional magnetic resonance imaging program comprehension programming expertise the neuroscience of programming

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Last Updated: Nov 25, 2025

Visualization of Cortical Modules in Flattened Mammalian Cortices

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Published on: January 22, 2018

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Published on: November 19, 2017

Area of Science:

Neuroscience
Cognitive Science
Computer Science

Background:

Expertise in domain-specific tasks like programming leads to observable differences in behavior and cognition compared to novices.
While behavioral and cognitive differences are documented, the neural underpinnings of programming expertise remain largely unexplored.

Purpose of the Study:

To investigate the neural basis of programming expertise by examining cortical representations of source code.
To identify brain regions associated with programming expertise using a data-driven decoding approach.

Main Methods:

Utilized a data-driven decoding approach to associate source code's cortical representation with individual programming expertise.
Analyzed brain activity patterns in relation to programming tasks and individual skill levels.

Main Results:

Identified seven brain regions across frontal, parietal, and temporal cortices significantly related to programming expertise.
Successfully decoded functional categories of source code from brain activity within these regions.
Found a significant correlation between decoding accuracy and individual performance on a source-code categorization task.

Conclusions:

Programming expertise is associated with specialized and fine-tuned cortical representations.
These findings highlight the brain's adaptation to the demands of complex cognitive tasks like programming.