Wired

February, 1995

What's the Frequency, Kenneth?The Seattle Supersonics use mind machines to improve their free throws. Students at Arizona State University use them to overcome anxiety about tests. And California's 911 operators and members of the LAPD use them to combat job stress. These electronic light-and-sound devices are designed to stimulate brainwave frequencies for enhanced relaxation and learning. Rayma Ditson-Sommer, a pioneer in light-and-sound mind research, explains that mind machines (which typica...

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