The State of Resting State Networks
Benjamin A Seitzman1, Abraham Z Snyder2, Eric C Leuthardt3,4
1Department of Neurology, Washington University School of Medicine, St. Louis, MO.
Topics in Magnetic Resonance Imaging : TMRI
|August 7, 2019
Summary
Resting state fMRI offers neurosurgeons insights into brain networks beyond motor and language. Understanding these networks, including critical nodes, enables precise, individualized pre-surgical planning to reduce patient morbidity.
Area of Science:
- Neuroimaging
- Neurosurgery
- Brain Network Analysis
Background:
- Functional MRI (fMRI) is standard for pre-surgical planning, primarily focusing on motor and language systems.
- Resting state fMRI (rs-fMRI) provides additional data on diverse brain networks, crucial for comprehensive surgical assessment.
- Current clinical knowledge of these rs-fMRI networks is limited, hindering their application in surgical planning.
Purpose of the Study:
- To introduce clinicians to resting state fMRI networks beyond motor and language.
- To discuss the potential of these networks for precise and individualized pre-surgical planning.
- To highlight the concept of critical brain nodes for customized patient care.
Main Methods:
- Review of current literature on resting state fMRI networks.
- Discussion of the characteristics and functions of somatosensory, association, and other brain networks.
- Explanation of critical node identification in the brain.
Main Results:
- rs-fMRI reveals multiple functional brain networks relevant to neurosurgical planning.
- Understanding network characteristics and critical nodes allows for tailored surgical strategies.
- Integration of diverse network data can enhance pre-surgical assessments.
Conclusions:
- Future pre-surgical planning must incorporate information from networks beyond motor and language systems.
- Utilizing rs-fMRI data can help minimize post-surgical morbidity.
- Individualized surgical customization based on comprehensive brain network analysis is essential for optimal patient outcomes.
Related Concept Videos
The Resting Membrane Potential
142.0K
Overview
142.0K
Resting Potential Decay
6.2K
The resting membrane potential of a neuron (-70mV) is sustained due to the selective ion permeability of the membrane. At the resting potential, the membrane is slightly permeable to ions like sodium (Na+) and chloride (Cl−) and highly permeable to potassium ions (K+). Differences in the ions' concentration inside the cell compared to the outside are maintained by membrane transport proteins like channels and pumps.
At rest, the K+ is the main ion that moves across the membrane...
At rest, the K+ is the main ion that moves across the membrane...
6.2K
Resting Membrane Potential
21.5K
The relative difference in electrical charge, or voltage, between the inside and the outside of a cell membrane, is called the membrane potential. It is generated by differences in permeability of the membrane to various ions and the concentrations of these ions across the membrane.
The Inside of a Neuron is More Negative
The membrane potential of a cell can be measured by inserting a microelectrode into a cell and comparing the charge to a reference electrode in the extracellular fluid. The...
The Inside of a Neuron is More Negative
The membrane potential of a cell can be measured by inserting a microelectrode into a cell and comparing the charge to a reference electrode in the extracellular fluid. The...
21.5K
Pressure Variation in a Fluid at Rest
757
In a fluid at rest, the pressure at any point beneath the fluid surface depends solely on the depth, not on the container's shape or size. This principle, known as hydrostatic pressure, arises because, in stationary fluids, there is no acceleration, meaning the forces within the fluid balance out. Only vertical forces, caused by the weight of the fluid above, contribute to pressure changes with depth.
When measuring pressure at two different levels within the fluid, the difference in...
When measuring pressure at two different levels within the fluid, the difference in...
757
Protein Networks
4.5K
An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
4.5K
Protein Networks
2.8K
2.8K


