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In his book Be Different: Adventures of a Free-Range Aspergian, John Elder Robison described this progression of creativity—one that led to his career creating sound effects and musical instruments and designing laser shows and video games. He wrote that he first became interested in music as an adolescent, because he was fascinated with the patterns that music waves made on an oscilloscope, a device that displays electric signs and lines and shapes on a small screen. “Each signal had its own unique shape,” he wrote. These signals were the bottom-up details. He spent eight to ten hours a day “absorbing music and unraveling how the waves looked, and how electrical signals worked,” he wrote. “I watched and listened and watched some more until my eyes and ears became interchangeable.” In other words, he was storing up memories. “By then, I could look at a pattern on the scope and know what it sounded like, and I could look at a sound and know what it looked like.” Based on those memories of details, he had taught himself how to make the necessary associations. Then he was ready for the creative leap: If I set the scope to sweep slowly, the rhythm of the music dominated the screen. Loud passages would appear as broad streaks, while quiet passages thinned down to a single tiny squiggle. A slightly higher sweep speed showed me the big, heavy, slow waves of the bass line and the kick drum as wide squiggles. Most of the energy was contained in those low notes. Up higher, with a faster scope setting, I found the vocals. At the top of it all lay the jagged fast waves from the cymbals. Every instrument had a distinct pattern, even when they were all playing the same melody. With practice, I learned how to distinguish a passage played on an organ from the same music played on a guitar. But I didn’t stop there. As I listened to the instruments, I realized each one had its own voice. “You’re nuts,” my friends said, but I was right. The musicians all had their own ways of playing, but their instruments were unique, too. The emphasis is mine. The neurotypical response to his insight was to dismiss it. But Robison could hear what other people missed. Actually, he could see it: “I saw the whole thing as a great mental puzzle—adding the waves from different instruments in my head, and figuring out what the result would look like.” He was, he learned, working in a kind of waveform mathematics, even though he didn’t think of his work as math.
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