Noninvasive Brain Blood Flow Monitoring: SCOS Wearable Device Differentiates Neural and Scalp Signals
- 22 oct
- 2 Min. de lectura

A significant stride in medical diagnostics has emerged from the field of optics, promising safer and more accessible monitoring for neurological conditions like stroke and traumatic brain injury (TBI). Researchers have successfully developed an optical system that can precisely measure blood flow deep within the brain without requiring any invasive procedures.
This technology, known as Speckle Contrast Optical Spectroscopy (SCOS), represents a pivotal advancement in noninvasive brain blood flow monitoring. One of the primary hurdles in monitoring cerebral activity has always been isolating the signals originating from the brain from the dense vascular network of the scalp. The new SCOS system addresses this by differentiating blood flow signals originating from the brain and the scalp with high precision. Validation tests, including those involving artery occlusion, confirmed the system's ability to distinguish and measure these separate flow patterns effectively.
The technology is built on sophisticated hardware, including one version which employs a seven-channel SCOS system specifically designed to assess human scalp and brain blood flow sensitivities. This capability to precisely measure sensitivities is crucial for clinical accuracy.
Crucially, this precise measuring technology is now being translated into a practical, everyday application: a wearable device. The development of this wearable laser device means that continuous monitoring of cerebral blood flow—a metric currently difficult to track outside of specialized hospital settings—is becoming feasible.
The clinical implications of this SCOS wearable device are vast, especially concerning stroke risk. The device can measure subtle changes in vascular stiffness and blood flow, which are key indicators of impending stroke. By providing continuous, noninvasive readings, physicians can better assess patient risk and intervene earlier. Furthermore, the system is designed to advance monitoring and assessment for patients recovering from traumatic brain injury or stroke, offering a clearer picture of recovery progress.
Looking ahead, the utility of this new system is expected to increase further, with plans already underway to incorporate machine learning algorithms. This integration aims to enhance the predictive power and analytical capabilities of the device, making it an even more powerful tool for diagnostics and long-term patient care.
The ability of this noninvasive brain blood flow monitoring system to provide clear, differential readings of neural versus superficial blood flow marks a profound step forward, promising to make complex neurological monitoring safer, easier, and more readily available.







