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Related Concept Videos

Working Memory01:24

Working Memory

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Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
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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:
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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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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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Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
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Motor and Sensory Areas of the Cortex01:14

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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 22, 2026

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
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Frontoparietal correlation dynamics reveal interplay between integration and segregation during visual working

Nicholas M Dotson1, Rodrigo F Salazar2, Charles M Gray2

  • 1Cell Biology and Neuroscience, Montana State University, Bozeman, Montana 59717 nicholas.dotson@live.com.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|October 10, 2014
PubMed
Summary
This summary is machine-generated.

Brain networks coordinate activity for working memory, balancing integration and segregation. Task demands dynamically alter temporal coordination patterns across frontoparietal regions, revealing insights into cognitive processing.

Keywords:
electrophysiologyfrontoparietalmonkeyoscillationssynchronyworking memory

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Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Systems Neuroscience

Background:

  • Working memory relies on coordinated activity across diverse brain regions.
  • Maintaining balance between functional integration and segregation is crucial for cognitive tasks.
  • Spatiotemporal patterns of neural activity mediate this balance.

Purpose of the Study:

  • To investigate the role of temporal correlations in frontoparietal networks during working memory.
  • To analyze how task demands influence neural coordination in prefrontal and posterior parietal cortex.

Main Methods:

  • Cross-correlation analysis of local field potential recordings in monkeys.
  • Simultaneous recordings from prefrontal and posterior parietal cortical areas.
  • Oculomotor delayed match-to-sample task to probe working memory.

Main Results:

  • Identified long-range intraparietal and frontoparietal correlations.
  • Observed a bimodal distribution of relative phase angles (near 0° and 180°), suggesting functional segregation.
  • Demonstrated task-dependent changes in the strength and phase of both short- and long-range correlations.

Conclusions:

  • Temporal coordination patterns dynamically change with cognitive events.
  • The frontoparietal network exhibits flexible temporal coordination for working memory.
  • Neural phase relationships may underlie functional segregation in distributed brain networks.