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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...

Parallel Processing

Parallel Processing

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...

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Related Experiment Video

Updated: Jun 9, 2026

Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze

Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze

Published on: February 20, 2014

Rapid sequences of population activity patterns dynamically encode task-critical spatial information in parietal

David A Crowe¹, Bruno B Averbeck, Matthew V Chafee

¹Department of Biology, Augsburg College, Minneapolis, Minnesota 55454, USA.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience

|September 3, 2010

Summary

This summary is machine-generated.

Parietal cortex uses dynamic neural codes to represent spatial information, activating neurons sequentially to maintain stable object-centered representations. This dynamic coding may prioritize task-critical spatial data.

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Published on: October 24, 2012

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Last Updated: Jun 9, 2026

Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze

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Published on: February 20, 2014

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

Published on: October 24, 2012

Area of Science:

Neuroscience
Cognitive Neuroscience
Systems Neuroscience

Background:

The parietal cortex is crucial for spatial cognition and object manipulation.
Understanding how neural populations encode dynamic spatial information is key to deciphering cognitive processes.

Purpose of the Study:

To investigate the temporal dynamics of population activity in the parietal cortex during a spatial cognitive task.
To characterize the neural coding mechanisms for object-centered spatial representations.

Main Methods:

Applied pattern classification techniques to analyze neural activity in the parietal cortex of monkeys.
Examined population activity during an object construction task requiring spatial judgments.
Investigated the relationship between pretrial activity and temporal activation patterns.

Main Results:

Parietal cortex employs a dynamic neural code, activating neurons sequentially to represent stable object-centered side information.
Neural representations remained stable despite changing patterns of active neurons.
Pretrial neuronal activity correlated with the timing of later activation for neurons with similar spatial preferences.
Task-critical spatial information was encoded dynamically, while task-irrelevant information was encoded statically.

Conclusions:

Dynamic spatial representations are present in the parietal cortex.
These findings offer insights into the synaptic mechanisms underlying dynamic neural coding.
Dynamic coding may preferentially encode task-critical spatial information.