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Related Concept Videos

Working Memory01:24

Working Memory

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 information.
Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the cerebellum's...
Somatosensory, Motor, and Association Cortex01:23

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 Cortex01:14

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.
Functional Brain Systems: Limbic System01:15

Functional Brain Systems: Limbic System

The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...
Neural Circuits01:25

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...

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Related Experiment Video

Updated: May 8, 2026

Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
09:05

Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)

Published on: June 12, 2017

Balanced cortical microcircuitry for maintaining information in working memory.

Sukbin Lim1, Mark S Goldman

  • 1Center for Neuroscience, University of California, Davis, Davis, California, USA.

Nature Neuroscience
|August 20, 2013
PubMed
Summary
This summary is machine-generated.

Researchers discovered a corrective feedback mechanism in neocortical circuits that stably maintains persistent neural activity for working memory. This finding explains how short-term memories are stored and retrieved.

Related Experiment Videos

Last Updated: May 8, 2026

Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
09:05

Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)

Published on: June 12, 2017

Area of Science:

  • Neuroscience
  • Computational Neuroscience
  • Systems Neuroscience

Background:

  • Persistent neural activity is a key neural mechanism for working memory.
  • The precise circuit-level mechanisms maintaining this activity in the neocortex are not fully understood.

Purpose of the Study:

  • To investigate the computational principles underlying persistent neural activity in neocortical circuits for working memory.
  • To identify a potential circuit mechanism for stable short-term memory storage.

Main Methods:

  • Utilized a computational modeling approach to simulate neocortical microcircuits.
  • Investigated the role of excitatory and inhibitory interactions in maintaining neural activity.

Main Results:

  • A balanced and temporally offset recurrent excitatory and inhibitory microcircuitry can implement a corrective feedback mechanism.
  • This mechanism enables stable persistent neural activity, counteracting memory decay and temporal integration of inputs.
  • The model demonstrated robustness against perturbations, outperforming previous short-term memory models.

Conclusions:

  • Neocortical microcircuitry possesses sufficient mechanisms for stable working memory maintenance via corrective negative feedback.
  • This finding provides a novel explanation for memory accumulation and storage in the brain.
  • The principles identified are analogous to widely used engineering control systems.