Operational principles of neurocognitive networks
Steven L Bressler1, Emmanuelle Tognoli
1Center for Complex Systems & Brain Sciences, Florida Atlantic University, Boca Raton, USA. bressler@fau.edu
Summary
Understanding how the brain
Area of Science:
- Neuroscience
- Cognitive Science
- Computational Neuroscience
Background:
- Large-scale neural networks are fundamental to brain function and cognition.
- Understanding neurocognitive networks requires knowledge of their structural, functional, and dynamical aspects.
- The intricate interplay of these aspects underlies complex cognitive processes.
Purpose of the Study:
- To explore the proposition that neurocognitive networks share common operational principles.
- To investigate the role of neural context formation in cognitive functions.
- To advance cognitive theories and strategies for cognitive enhancement.
Main Methods:
- Review and synthesis of existing knowledge on neurocognitive network structure, function, and dynamics.
- Analysis of anatomical connectivity patterns (synaptic connectivity).
- Examination of selective activation of cortical and subcortical areas.
- Consideration of real-time dynamics of interacting brain areas.
Main Results:
- Neurocognitive networks are characterized by structural connectivity, selective functional activation, and dynamic interactions.
- A proposed guiding principle is the formation of neural context via coordinated mutual constraint of cortical areas.
- Structural, functional, and dynamical features exhibit basic similarities across networks.
Conclusions:
- Common operational principles likely govern diverse neurocognitive networks.
- Neural context formation is a fundamental mechanism underlying cognitive functions.
- Further understanding of these principles will advance cognitive science and enhancement strategies.
Related Concept Videos
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...
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...
Functional Brain Systems: Reticular Formation
The reticular formation is a complex network of gray and white matter located within the brainstem extending from the medulla to the midbrain.
Within the reticular formation, there are several distinct nuclei that can be classified into three broad categories. The Raphe nuclei are located along the midline of the brainstem. They are primarily known for their role in synthesizing and releasing serotonin, a neurotransmitter involved in regulating mood, appetite, sleep, and circadian rhythms. The...
Within the reticular formation, there are several distinct nuclei that can be classified into three broad categories. The Raphe nuclei are located along the midline of the brainstem. They are primarily known for their role in synthesizing and releasing serotonin, a neurotransmitter involved in regulating mood, appetite, sleep, and circadian rhythms. The...
Neuronal Communication
Neurons, the fundamental units of the brain and nervous system, communicate through complex electrochemical signals that underpin all cognitive and bodily functions. This communication is primarily facilitated by a process involving the generation and propagation of an action potential along the axon of the neuron. When the internal electrical charge of a neuron surpasses a certain threshold, an action potential is triggered. This rapid change in voltage travels swiftly along the axon to the...
Neuroplasticity
Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
Organization of the Brain
The brain is an integral component of the nervous system and serves as the center for processing sensory inputs, making decisions, and directing bodily actions. This complex organ is organized into three primary sections: the hindbrain, midbrain, and forebrain, each responsible for a range of vital functions.
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...
Lobes of the Cerebrum
The cerebral cortex, a critical structure of the brain, is intricately divided into two hemispheres, each consisting of four distinct lobes: occipital, temporal, frontal, and parietal. These lobes function cooperatively to regulate various cognitive and sensory functions, forming the basis of our complex neural capabilities.
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements.
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements.


