File:Idiot Savant D.jpg
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English: Case D. — J.I. Specialty, lightning calculation. Boy ; high-grade ;
15 years old ; epileptic, spasms recurring monthly. Can read and write, and is fond of music and animals. A mathematical phenomenon ; has wonderful facility with numbers. Can multiply, divide, add, and subtract as rapidly as numbers are called. When fatigued, or for several hours succeeding a spasm he does this very slowly, or not at all, but when fresh and in good condition, can calculate very rap- idly, giving results almost simultaneous with the speaker's voice.Born at full term ; labor ordinary. |
| Date | |
| Source | Mental Defectives: Their History, Treatment, and Training (https://babel.hathitrust.org/cgi/pt?id=coo1.ark:/13960/t47p9j653&view=thumb&seq=1&skin=2021) |
| Author | Martin W. Barr |
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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