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A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
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Cognitive Networks (Cognits) Process and Maintain Working Memory.

Joaquín M Fuster1

  • 1University of California, Los Angeles, Los Angeles, CA, United States.

Frontiers in Neural Circuits
|February 4, 2022
PubMed
Summary
This summary is machine-generated.

Persistent neuronal activity in working memory tasks is not solely due to sensory cue retention. Instead, it involves activating long-term memory networks (cognits) for goal-directed behavior.

Keywords:
cognitsdelay taskslong-term-memoryneuroplasticityperception-action cyclephyletic memory

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Area of Science:

  • Neuroscience
  • Cognitive Science

Background:

  • Persistent neuronal activity in the prefrontal cortex during delay periods is traditionally linked to working memory.
  • This view assumes activity solely reflects sensory cue retention.

Purpose of the Study:

  • To propose an alternative model where working memory relies on long-term memory networks (cognits).
  • To re-evaluate the neural basis of working memory beyond simple cue retention.

Main Methods:

  • Review of existing literature and the author's previous research.
  • Theoretical framework proposing "cognits" as the neural substrate.

Main Results:

  • Working memory is proposed to involve the orderly activation of previously formed long-term memory networks (cognits).
  • Task learning forms synaptic associations between perceptual, motor, and reward components within cognits.

Conclusions:

  • Persistent activity in working memory reflects the activation of task-specific cognits, not just sensory cue storage.
  • Future research should explore this "cognit" activation model within the perception-action cycle.