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Science 10 November 1961:
Vol. 134. no. 3489, pp. 1521 - 1522
DOI: 10.1126/science.134.3489.1521
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Articles

Functional Effects of Focused Ultrasound on Mammalian Nerves

Robert R. Young 1 and Elwood Henneman 1

1 Department of Physiology, Harvard Medical School, and Medical Acoustics Laboratory, Department of Surgery, Massachusetts General Hospital, Boston

Differential blocking of conduction in mammalian nerve fibers has been produced by irradiation of the whole nerve with focused ultrasound. The smallest (C) fibers are the most sensitive; the largest (A-alpha) fibers are the least vulnerable. Fully reversible blocking can be obtained with carefully graded doses of ultrasound.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)