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Behav Brain Res. 2008 Nov 3;193(1):152-5. doi: 10.1016/j.bbr.2008.05.003. Epub 2008 May 8.

Suprathreshold stochastic resonance in visual signal detection.

Author information

1
Department of Physiology and Biosignaling, Osaka University Graduate School of Medicine, Suita 565-0871, Japan. H.Sasaki@Physiol.com

Abstract

The present study aimed to demonstrate stochastic resonance (SR) for a visual signal above the threshold by using a two-alternative forced-choice protocol. The percent correct response enhanced at non-zero intensity of noise, while decreased with more intense noise. SR for the suprathreshold signals was found for signals with relatively low intensity above the threshold, and disappeared for more intense signals. These findings show the suprathreshold SR in the visual perception.

PMID:
18565603
DOI:
10.1016/j.bbr.2008.05.003
[Indexed for MEDLINE]

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