Neurofeedback can enhance the signal-to-noise ratio in thought, enabling a sharper focus on tasks

The sweep of a needle across the grooves of a worn vinyl record carries distinct sounds: hisses, scratches, even the echo of skips. For many years, though, those yearning to hear Frank Sinatra sing "Fly Me to the Moon" have been able to listen to his light baritone with technical clarity, courtesy of the increased signal-to-noise ratio of digital remasterings...