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Updated: Jun 22, 2026
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Perspectives on Neuroscience
Published on: July 31, 2007
Cortex and memory: emergence of a new paradigm
1University of California, Los Angeles, Semel Institute, Los Angeles, CA 90095, USA. joaquinf@ucla.edu
Journal of Cognitive Neuroscience
|June 3, 2009
Summary
Conventional memory models are being replaced by a distributed-network paradigm. This new model defines memories as interconnected neuron networks, or cognits, organized hierarchically and overlapping across brain regions.
Area of Science:
- Neuroscience
- Cognitive Science
- Memory Research
Background:
- Traditional models of cortical memory are insufficient.
- Converging evidence from human and primate studies necessitates a new framework.
Purpose of the Study:
- To introduce and elaborate on the distributed-network paradigm of cortical memory.
- To define the concept of 'cognits' as the fundamental unit of memory.
Main Methods:
- Review and synthesis of evidence from human and nonhuman primate research.
- Conceptual development of the distributed-network memory model.
Main Results:
- The proposed paradigm views memory as a network of connected neuron populations (cognits).
- Cognits are organized hierarchically by semantic abstraction and complexity.
- Neurons can participate in multiple cognits, forming interconnected memory networks.
Conclusions:
- The distributed-network paradigm offers a more accurate model of cortical memory.
- This network-centric view explains how complex memories are formed and integrated across brain regions.
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