Ultrasound Imaging of the Brain

Researchers have achieved the first high-resolution 3D ultrasound image of a living human brain through an intact skull, using microbubbles as contrast agents to overcome the diffraction limits of traditional ultrasound. This breakthrough addresses a critical bottleneck in brain-computer interfaces by providing both wide field-of-view coverage and millimeter-level detail without requiring invasive surgery or bulky equipment like MRI machines. The technology could have applications beyond mind interfaces, including diagnosis of stroke, Alzheimer's, and traumatic brain injury.