Pathological changes of brain oscillations following ischemic stroke.
Yoshimichi Sato1,2,3, Oliver Schmitt4, Zachary Ip5,6
1Department of Neurological Surgery, UCSF, San Francisco, CA, USA.
Summary
Brain oscillations, crucial for neurophysiology, serve as biomarkers for disease detection and recovery prediction. This review covers their role in stroke, focusing on hippocampal oscillations and network communication, and discusses brain stimulation for functional recovery.
Area of Science:
- Neuroscience
- Biomarkers
- Neurophysiology
Background:
- Brain oscillations reflect neural network activity and function.
- Signal patterns are key biomarkers for disease detection and functional recovery prediction.
- Electrophysiological signals are vital for neuroprosthetic interfaces and neural activity monitoring.
Purpose of the Study:
- To review basic knowledge of local field potential and electro-/magnetoencephalography signals.
- To summarize findings from clinical and experimental stroke studies.
- To explore stroke-induced changes in brain oscillations and their link to cognitive dysfunction.
Main Methods:
- Review of literature on brain oscillations and stroke.
- Analysis of electrophysiological data in stroke models.
- Discussion of brain stimulation techniques.
Main Results:
- Stroke alters hippocampal oscillations and disrupts brain network communication.
- These changes are potential mechanisms for post-stroke cognitive dysfunction.
- Brain stimulation shows promise for promoting functional recovery.
Conclusions:
- Brain oscillations are critical indicators of neural health and disease.
- Understanding oscillation changes post-stroke is vital for developing effective treatments.
- Brain stimulation offers a promising therapeutic avenue for stroke recovery.
