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J Neurophysiol (January 21, 2004). doi:10.1152/jn.00928.2003
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Submitted on September 24, 2003
Accepted on January 20, 2004

Stochastic Resonance in Muscle Receptors

James B. Fallon*, Richard W. Carr, and David L. Morgan

* To whom correspondence should be addressed. E-mail: James.Fallon{at}unsw.edu.au.

Noise is generally considered to have deleterious effects on the sensitivity of a signal detection system. There are, however, several mechanisms whereby the addition of noise to the input of a system can in fact improve sensitivity. One such mechanism is stochastic resonance. Although first proposed in 1981, conclusive experimental evidence for 'fully tuneable stochastic resonance' in biological systems has not previously been reported. Evidence of 'fully tuneable stochastic resonance' in the response of afferents from Golgi tendon organs and the primary and secondary endings of muscle spindles to imposed muscle length changes is presented.




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