Advances in Resting State Neuroimaging of Mild Cognitive Impairment

Li Lin1, Guoqiang Xing2, Ying Han1,3,4,5

  • 1Department of Neurology, XuanWu Hospital of Capital Medical University, Beijing, China.

Frontiers in Psychiatry
|December 22, 2018
PubMed

Insights

Early identification of Mild Cognitive Impairment (MCI) is crucial for Alzheimer's disease (AD) intervention. Resting-state functional magnetic resonance imaging (rs-fMRI) combined with other biomarkers aids in precise diagnosis and understanding MCI progression.

Area of Science:

  • Neurology
  • Neuroimaging
  • Gerontology

Background:

  • Alzheimer's disease (AD) poses a growing global health challenge.
  • Mild Cognitive Impairment (MCI) represents a transitional stage between normal aging and dementia, marked by accelerated memory decline.
  • Early detection of MCI is vital for timely intervention and management of AD.

Purpose of the Study:

  • To review current research frameworks for MCI diagnosis and understanding.
  • To explore the application of resting-state functional magnetic resonance imaging (rs-fMRI) in differentiating normal aging from MCI.
  • To discuss the role of genetic and environmental factors in MCI.

Main Methods:

  • Review of clinical and biomarker-based research on MCI.
  • Analysis of studies utilizing rs-fMRI to assess brain activity and functional connectivity in normal aging and MCI cohorts.
  • Discussion of multi-modal imaging and genetic/environmental factor interactions.

Main Results:

  • rs-fMRI reveals distinct patterns of brain activity and connectivity in MCI compared to normal aging.
  • Multi-modal approaches and consideration of genetic/environmental factors enhance the understanding of MCI heterogeneity.
  • Current research frameworks are evolving to incorporate diverse findings for improved MCI characterization.

Conclusions:

  • MCI is a complex and heterogeneous condition.
  • Integrating rs-fMRI with other Alzheimer's disease biomarkers offers a promising avenue for precise MCI subtyping and targeted therapeutic strategies.
  • Further research is needed to fully elucidate the interplay of genetic and environmental factors in MCI development.

Related Concept Videos

Cognitive Dissonance01:38

Cognitive Dissonance

Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
37.5K
The Resting Membrane Potential01:21

The Resting Membrane Potential

Overview
142.5K
Resting Membrane Potential01:24

Resting Membrane Potential

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...
21.7K
Resting Potential Decay01:15

Resting Potential Decay

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...
6.4K
Pressure Variation in a Fluid at Rest01:11

Pressure Variation in a Fluid at Rest

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...
813
Overview of Advanced Functional Groups02:22

Overview of Advanced Functional Groups


Functional groups are groups of atoms with specific chemical properties that occur within organic molecules and are sometimes denoted as “R”. Functional groups can “functionalize” a compound by enabling it to adopt different physical and chemical properties.
Types of Advanced Functional Groups
The table below summarizes some of the major functional groups in organic chemistry.
29.8K