Optical imaging of functional connectivity at the bedside.

Area of Science:

• Neuroimaging
• Biomedical Optics
• Functional Brain Mapping

Background:

• High-density imaging arrays have significantly improved the image quality of diffuse optical tomography (DOT).
• Resting-state functional connectivity measures offer a practical approach for bedside brain imaging in clinical environments.

Purpose of the Study:

• To review recent advances in high-density diffuse optical tomography (HD-DOT) for brain function mapping.
• To demonstrate the sensitivity of HD-DOT in detecting acute ischemic stroke.

Main Methods:

• Utilizing high-density imaging arrays for enhanced spatial resolution in DOT.
• Implementing resting-state functional connectivity analysis.
• Evaluating the performance of HD-DOT in identifying acute ischemic stroke.

Main Results:

• HD-DOT demonstrates improved image quality for brain function mapping.
• Resting-state measures are logistically compatible with bedside clinical imaging.
• HD-DOT shows significant sensitivity to acute ischemic stroke.

Conclusions:

• HD-DOT represents a significant advancement in neuroimaging techniques.
• The method holds potential for early detection and monitoring of ischemic stroke.
• Integration of HD-DOT with resting-state analysis offers a powerful clinical tool.