Title : Fully Tuneable Stochastic Resonance in Cutaneous Receptors
نویسندگان
چکیده
Stochastic resonance describes a phenomenon whereby the addition of 'noise' to the input of a non-linear system can improve sensitivity. 'Fully tuneable stochastic resonance' is a particular form of the phenomenon that requires the matching of two timescales; one being that of the sub-threshold periodic stimulus of the system and the other being the noise induced response of the system. First proposed in 1981, stochastic resonance has been reported in a wide range of biological systems, however, conclusive experimental evidence for 'fully tuneable stochastic resonance' in biological systems is limited. Evidence of 'fully tuneable stochastic resonance' in the response of slowly adapting type I mechanoreceptors in the toad is presented. The results are extended to include the first evidence supporting 'fully tuneable stochastic resonance' in psychophysical experiments, namely tactile detection thresholds, indicating that the human central nervous system is capable of accessing the improved information available via 'fully tuneable stochastic resonance'.
منابع مشابه
TRANSLATIONAL PHYSIOLOGY Fully Tuneable Stochastic Resonance in Cutaneous Receptors
Fallon, James B. and David L. Morgan. Fully tuneable stochastic resonance in cutaneous receptors. J Neurophysiol 94: 928–933, 2005. First published March 23, 2005; doi:10.1152/jn.00232.2005. Stochastic resonance describes a phenomenon whereby the addition of “noise” to the input of a nonlinear system can improve sensitivity. “Fully tuneable stochastic resonance” is a particular form of the phen...
متن کاملTitle : Stochastic Resonance in Muscle Receptors
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 biologic...
متن کاملStochastic resonance in muscle receptors.
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 biologic...
متن کاملValidation of a Vibrotactile Stimulation System Using the Wii Remote for Studies of Tactile Sensitivity
Results: The peak vibration frequency was about 150 Hz irrespective of vibration intensity, which would effectively activate fast adapting type II (FAII) cutaneous mechanical receptors. The two-point discrimination threshold measured at the third pad of the index finger decreased significantly when a near-threshold vibrotactile stimulus was applied to the dorsal hand, a response termed stochast...
متن کاملPDNA as building blocks for membrane-guided self-assemblies.
Different semi-synthetic PDNAs (protein-DNA complexes), which encompass a protein core engineered from the cytochrome b(5) scaffold, an embedded tuneable redox cofactor, a synthetic linker and a large oligonucleotide, were designed, synthesized and purified to homogeneity. These building blocks can be reversibly attached to Ni-DOGS [1,2-dioleoyl-sn-glycero-3-[N(5-amino-1-carboxypentyl)iminodiac...
متن کامل