neuroscience (2)

31224317462?profile=RESIZE_192XImagine sitting at a desk, eyes fixed on a blank screen, fingers hovering over keys you never touch.  A sentence forms in your mind. Moments later, the computer displays the words you intended.  For someone whose body no longer responds to the brain’s commands, that simple act of communication can feel out of reach.  Brain-computer interfaces aim to close the gap by reading patterns of neural activity and converting them into text or device commands.  In their paper “Noninvasive decoding of type

31174900275?profile=RESIZE_400xA team of Norwegian neuroscientists spent years mapping exactly what happens inside the brain when people pick up a pen versus tap a keyboard.  Their study, published in Frontiers in Psychology, provides a detailed picture.  Audrey van der Meer and her colleagues at the Developmental Neuroscience Laboratory in Trondheim recruited 36 right-handed university students, fitted each with a cap holding 256 sensors, and recorded their brain activity while they wrote or typed ordinary words.  When the s