Ultrasound recording could be used in future brain-machine interfaces

Many will recall the remarkable news of BrainGate researchers at Brown University who used an implanted BCI which allowed a paralyzed woman to think her way to moving a robotic arm.  That was in 2014, though the concept goes back to 1973 when a UCLA neurologist coined the term brain-computer interface.  Most of the research since then has involved implanted devices, some on the brain and others between the skull and dura.  This piece, however, offers proof of concept that high resolution ultrasound imaging of blood flow dynamics can be associated with movement.   MORE

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