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Related Concept Videos

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 the...

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.

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Related Experiment Video

Updated: May 23, 2026

Investigating the Function of Deep Cortical and Subcortical Structures Using Stereotactic Electroencephalography: Lessons from the Anterior Cingulate Cortex

Investigating the Function of Deep Cortical and Subcortical Structures Using Stereotactic Electroencephalography: Lessons from the Anterior Cingulate Cortex

Published on: April 15, 2015

Anterior cingulate activation relates to local cortical thickness.

Catherine E Hegarty¹, Lara C Foland-Ross, Katherine L Narr

¹Jane and Terry Semel Institute of Neuroscience and Human Behavior, David Geffen School of Medicine, University of California, USA.

|March 24, 2012

Summary

Cortical thickness in the right anterior cingulate cortex positively correlates with brain activation during response inhibition tasks. This relationship was not observed in the prefrontal cortex, suggesting regional specificity in brain structure-function links.

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Area of Science:

Neuroscience
Cognitive Neuroscience
Neuroimaging

Background:

Limited research exists on the connection between local cortical thickness and brain activation signals.
Understanding this relationship is crucial for interpreting functional neuroimaging data.

Purpose of the Study:

To investigate the correlation between anatomical cortical thickness and functional brain activation.
To determine if cortical thickness predicts activation levels in specific brain regions during a cognitive task.

Main Methods:

Utilized structural and functional Magnetic Resonance Imaging (MRI) in 28 participants.
Participants performed the Go/NoGo response inhibition task.
Structural MRI data were aligned with functional MRI activation data for analysis.

Main Results:

A significant positive linear correlation was found between cortical thickness and brain activation in the right anterior cingulate cortex (Brodmann's Area 24) during response inhibition.
No significant correlations between cortical thickness and activation were identified in the prefrontal cortex.
Findings suggest that the relationship between cortical thickness and activation may be region-specific.

Conclusions:

Cortical thickness is positively associated with brain activation in the right anterior cingulate cortex during response inhibition.
The absence of this correlation in the prefrontal cortex highlights regional differences in structure-function relationships.
Further research is needed to explore these regional specificities in the brain.