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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.
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Related Experiment Video

Updated: Apr 11, 2026

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

Dynamic cortical routing mediates temporal attention.

Jiating Zhu, Karen J Tian, Marisa Carrasco

Biorxiv : the Preprint Server for Biology

|April 10, 2026

Summary

This summary is machine-generated.

Temporal attention prioritizes visual stimuli by selectively routing information through brain networks. This brain communication timing, observed via magnetoencephalography (MEG), is key for stimulus selection in dynamic environments.

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Last Updated: Apr 11, 2026

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

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Area of Science:

Cognitive Neuroscience
Neuroimaging
Systems Neuroscience

Background:

Selective temporal attention enhances neural responses but its effect on inter-regional communication is unknown.
Understanding how the brain selects information from dynamic visual streams is crucial.

Purpose of the Study:

Investigate if temporal attention routes stimulus information across cortical networks.
Examine the impact of prioritizing stimuli in time on brain communication.

Main Methods:

Utilized magnetoencephalography (MEG) to measure brain activity.
Developed a dynamic informational connectivity approach to quantify information sharing.
Analyzed network modulation during competing visual stimuli.

Main Results:

Temporal attention modulated brain networks in early and late post-target windows.
Information was routed via occipito-frontal-cingulate and occipito-temporal pathways.
Transient network communication bursts and theta-rhythmic replay were observed.

Conclusions:

The timing of neural communication is critical for stimulus selection in dynamic sensory input.
Selective routing of information along specific pathways underlies temporal attention.
This study reveals the network mechanisms of temporal attention in information selection.