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Cross-Modal Multivariate Pattern Analysis
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Dissipation of 'dark energy' by cortex in knowledge retrieval
Antonio Capolupo1, Walter J Freeman, Giuseppe Vitiello
1Dipartimento di Ingegneria Industriale and INFN, Università di Salerno, Fisciano (SA), 84084, Italy. capolupo@sa.infn.it
Physics of Life Reviews
|January 22, 2013
Summary
This study introduces a thermodynamic model for brain activity, integrating classical neural networks and quantum field theory. It explains knowledge retrieval using concepts like dark energy and phase transitions, linking energy density to memory vividness.
Area of Science:
- Neuroscience
- Thermodynamics
- Quantum Physics
Background:
- Cortical neurodynamics exhibit complex spatial patterns.
- Understanding knowledge retrieval and memory requires advanced models.
- Existing models may not fully capture the energetic and quantum aspects of cognition.
Purpose of the Study:
- To develop a thermodynamic model of cortical neurodynamics.
- To integrate classical and quantum physics principles in neuroscience.
- To explain the role of energy density in memory recall and cognitive processes.
Main Methods:
- Devised a thermodynamic model of cortical neurodynamics.
- Utilized classical neural networks and dissipative quantum field theory.
- Incorporated Carnot and Rankine cycles for energy, entropy, temperature, criticality, and phase transitions.
- Analyzed spatial images of cortical activity from high-density electrode arrays.
Main Results:
- Developed a model describing two interactive neural activity fields (high and low energy density).
- Introduced operators for creating and annihilating these fields.
- Incorporated the concept of 'dark energy' for knowledge retrieval.
- Linked high energy density in cortical activity to vivid, emotionally intense memories.
Conclusions:
- The thermodynamic model provides a framework for understanding cortical neurodynamics.
- Energy density and phase transitions play crucial roles in cognitive functions like memory.
- The model offers a potential explanation for the subjective richness of recalled memories.
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