期刊
PHYSICS LETTERS A
卷 376, 期 19, 页码 1617-1623出版社
ELSEVIER
DOI: 10.1016/j.physleta.2012.03.025
关键词
Human reaction time; Decision making; Multiplicative process; Power law; Information transfer; 1/f-noise
资金
- Fundacao para a Ciencia e a Tecnologia
- Center for Physics, University of Minho, Portugal
In sensory psychophysics reaction time is a measure of the stochastic latency elapsed from stimulus presentation until a sensory response occurs as soon as possible. A random multiplicative model of reaction time variability is investigated for generating the reaction time probability density functions. The model describes a generic class of hyperbolic functions by Pieron's law. The results demonstrate that reaction time distributions are the combination of log-normal with power law density functions. A transition from log-normal to power law behavior is found and depends on the transfer of information in neurons. The conditions to obtain Zipf's law are analyzed. (c) 2012 Elsevier B.V. All rights reserved.
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